GE N60 Instruction Manual

847710A1.CDR

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52TL

IND.CONT. EQ.

E83849

GE

Digital Energy

N60 Network Stability and

Synchrophasor Measurement System

UR Series Instruction Manual

N60 Revision: 5.7x

Manual P/N: 1601-0125-U4 (GEK-113529C)

GE Digital Energy

650 Markland Street

Markham, Ontario

Canada L6C 0M1

Tel: [phone] Fax: [phone]

Internet: http://www.GEDigitalEnergy.com

*1601-0125-U4*

GE Multilin's Quality Management

System is registered to

ISO9001:2008

QMI # 005094

UL # A3775

Copyright © 2015 GE Multilin Inc. All rights reserved.

N60 Network Stability and Synchrophasor Measurement System UR Series
Instruction Manual revision 5.7x.

FlexLogic, FlexElement, FlexCurve, FlexAnalog, FlexInteger, FlexState, EnerVista,
CyberSentry, HardFiber, Digital Energy, Multilin, and GE Multilin are trademarks
or registered trademarks of GE Multilin Inc.

The contents of this manual are the property of GE Multilin Inc. This
documentation is furnished on license and may not be reproduced in whole or
in part without the permission of GE Multilin. The content of this manual is for
informational use only and is subject to change without notice.
Part number: 1601-0125-U4 (August 2015)

Addendum

ADDENDUM

This addendum contains information that relates to the N60 Network Stability and Synchrophasor Measurement Sys­tem, version 5.7x. It outlines items that appear in the instruction manual GEK-113529C (revision U4) that are not
included in the current N60 operations.

The following functions and items are not yet available with the current version of the N60 relay:

•N/A.

Version 4.0x and higher releases of the N60 relay includes new hardware (CPU and CT/VT modules).

• The new CPU modules are specified with the following order codes: 9E, 9G, 9H, 9J, 9K, 9L, 9M, 9N, 9P, 9R, and 9S.

• The new CT/VT modules are specified with the following order codes: 8F, 8G, 8H, 8J 8L, 8M, 8N, 8R.

The following table maps the relationship between the old CPU and CT/VT modules to the newer versions:

MODULE OLD NEW DESCRIPTION

CPU 9A 9E RS485 and RS485 (Modbus RTU, DNP)

9C 9G RS485 and 10Base-F (Ethernet, Modbus TCP/IP, DNP)

9D 9H RS485 and redundant 10Base-F (Ethernet, Modbus TCP/IP, DNP)

--- 9J RS485 and multi-mode ST 100Base-FX

--- 9K RS485 and multi-mode ST redundant 100Base-FX

--- 9L RS485 and single mode SC 100Base-FX

--- 9M RS485 and single mode SC redundant 100Base-FX

--- 9N RS485 and 10/100Base-T

--- 9P RS485 and single mode ST 100Base-FX

--- 9R RS485 and single mode ST redundant 100Base-FX

--- 9S RS485 and six-port managed Ethernet switch

CT/VT 8A 8F Standard 4CT/4VT

8B 8G Sensitive ground 4CT/4VT

8C 8H Standard 8CT

8D 8J Sensitive ground 8CT

-- 8L Standard 4CT/4VT with enhanced diagnostics

-- 8M Sensitive ground 4CT/4VT with enhanced diagnostics

-- 8N Standard 8CT with enhanced diagnostics

-- 8R Sensitive ground 8CT with enhanced diagnostics

The new CT/VT modules can only be used with the new CPUs (9E, 9G, 9H, 9J, 9K, 9L, 9M, 9N, 9P, 9R, and 9S), and
the old CT/VT modules can only be used with the old CPU modules (9A, 9C, 9D). To prevent any hardware mis­matches, the new CPU and CT/VT modules have blue labels and a warning sticker stating “Attn.: Ensure CPU and
DSP module label colors are the same!”. In the event of mismatch between the CPU and CT/VT module, the relay
does not function and a

DSP ERROR or HARDWARE MISMATCH error displays.

All other input/output modules are compatible with the new hardware.

With respect to the firmware, firmware versions 4.0x and higher are only compatible with the new CPU and CT/VT mod­ules. Previous versions of the firmware (3.4x and earlier) are only compatible with the older CPU and CT/VT modules.

Table of Contents

TABLE OF CONTENTS

1. GETTING STARTED 1.1 IMPORTANT PROCEDURES

1.1.1 CAUTIONS AND WARNINGS ........................................................................... 1-1

1.1.2 INSPECTION CHECKLIST ................................................................................ 1-1

1.2 UR OVERVIEW

1.2.1 INTRODUCTION TO THE UR ........................................................................... 1-2

1.2.2 HARDWARE ARCHITECTURE......................................................................... 1-3

1.2.3 SOFTWARE ARCHITECTURE.......................................................................... 1-4

1.2.4 IMPORTANT CONCEPTS ................................................................................. 1-4

1.3 ENERVISTA UR SETUP SOFTWARE

1.3.1 PC REQUIREMENTS ........................................................................................ 1-5

1.3.2 INSTALLATION.................................................................................................. 1-5

1.3.3 CONFIGURING THE N60 FOR SOFTWARE ACCESS .................................... 1-6

1.3.4 USING THE QUICK CONNECT FEATURE....................................................... 1-9

1.3.5 CONNECTING TO THE N60 RELAY ..............................................................1-15

1.4 UR HARDWARE

1.4.1 MOUNTING AND WIRING............................................................................... 1-16

1.4.2 COMMUNICATIONS........................................................................................ 1-16

1.4.3 FACEPLATE DISPLAY.................................................................................... 1-16

1.5 USING THE RELAY

1.5.1 FACEPLATE KEYPAD..................................................................................... 1-17

1.5.2 MENU NAVIGATION ....................................................................................... 1-17

1.5.3 MENU HIERARCHY ........................................................................................ 1-17

1.5.4 RELAY ACTIVATION....................................................................................... 1-17

1.5.5 RELAY PASSWORDS.....................................................................................1-18

1.5.6 FLEXLOGIC™ CUSTOMIZATION................................................................... 1-18

1.5.7 COMMISSIONING ........................................................................................... 1-19

2. PRODUCT DESCRIPTION 2.1 INTRODUCTION

2.1.1 OVERVIEW........................................................................................................ 2-1

2.1.2 ORDERING........................................................................................................ 2-3

2.1.3 REPLACEMENT MODULES ............................................................................. 2-4

2.2 SPECIFICATIONS

2.2.1 PROTECTION ELEMENTS ............................................................................... 2-6

2.2.2 USER-PROGRAMMABLE ELEMENTS............................................................. 2-7

2.2.3 MONITORING.................................................................................................... 2-8

2.2.4 METERING ........................................................................................................ 2-9

2.2.5 INPUTS .............................................................................................................. 2-9

2.2.6 POWER SUPPLY ............................................................................................ 2-10

2.2.7 OUTPUTS ........................................................................................................ 2-11

2.2.8 COMMUNICATIONS........................................................................................ 2-12

2.2.9 INTER-RELAY COMMUNICATIONS............................................................... 2-13

2.2.10 ENVIRONMENTAL .......................................................................................... 2-14

2.2.11 TYPE TESTS ................................................................................................... 2-14

2.2.12 PRODUCTION TESTS .................................................................................... 2-15

2.2.13 APPROVALS ................................................................................................... 2-15

2.2.14 MAINTENANCE ............................................................................................... 2-15

3. HARDWARE 3.1 DESCRIPTION

3.1.1 PANEL CUTOUT ............................................................................................... 3-1

3.1.2 MODULE WITHDRAWAL AND INSERTION ..................................................... 3-3

3.1.3 REAR TERMINAL LAYOUT............................................................................... 3-4

3.2 WIRING

3.2.1 TYPICAL WIRING.............................................................................................. 3-6

3.2.2 DIELECTRIC STRENGTH ................................................................................. 3-7

3.2.3 CONTROL POWER ........................................................................................... 3-7

3.2.4 CT AND VT MODULES ..................................................................................... 3-8

3.2.5 PROCESS BUS MODULES ............................................................................3-10

3.2.6 CONTACT INPUTS AND OUTPUTS............................................................... 3-10

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3.2.7 TRANSDUCER INPUTS AND OUTPUTS........................................................3-18

3.2.8 RS232 FACEPLATE PORT..............................................................................3-19

3.2.9 CPU COMMUNICATION PORTS.....................................................................3-19

3.2.10 IRIG-B ...............................................................................................................3-23

3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS

3.3.1 DESCRIPTION .................................................................................................3-24

3.3.2 FIBER: LED AND ELED TRANSMITTERS ......................................................3-26

3.3.3 FIBER-LASER TRANSMITTERS .....................................................................3-26

3.3.4 G.703 INTERFACE...........................................................................................3-27

3.3.5 RS422 INTERFACE .........................................................................................3-30

3.3.6 TWO-CHANNEL TWO-CLOCK RS422 INTERFACE.......................................3-32

3.3.7 RS422 AND FIBER INTERFACE .....................................................................3-32

3.3.8 IEEE C37.94 INTERFACE................................................................................3-33

3.4 MANAGED ETHERNET SWITCH MODULES

3.4.1 OVERVIEW ......................................................................................................3-36

3.4.2 MANAGED ETHERNET SWITCH MODULE HARDWARE..............................3-36

3.4.3 MANAGED SWITCH LED INDICATORS .........................................................3-37

3.4.4 CONFIGURING THE MANAGED ETHERNET SWITCH MODULE.................3-37

3.4.5 UPLOADING N60 SWITCH MODULE FIRMWARE.........................................3-40

3.4.6 ETHERNET SWITCH SELF-TEST ERRORS...................................................3-42

4. HUMAN INTERFACES 4.1 ENERVISTA UR SETUP SOFTWARE INTERFACE

4.1.1 INTRODUCTION ................................................................................................4-1

4.1.2 CREATING A SITE LIST ....................................................................................4-1

4.1.3 ENERVISTA UR SETUP OVERVIEW................................................................4-1

4.1.4 ENERVISTA UR SETUP MAIN WINDOW..........................................................4-3

4.2 EXTENDED ENERVISTA UR SETUP FEATURES

4.2.1 SETTINGS TEMPLATES ...................................................................................4-4

4.2.2 SECURING AND LOCKING FLEXLOGIC™ EQUATIONS ................................4-8

4.2.3 SETTINGS FILE TRACEABILITY.....................................................................4-10

4.3 FACEPLATE INTERFACE

4.3.1 FACEPLATE.....................................................................................................4-13

4.3.2 LED INDICATORS............................................................................................4-14

4.3.3 CUSTOM LABELING OF LEDS .......................................................................4-17

4.3.4 DISPLAY...........................................................................................................4-22

4.3.5 KEYPAD ...........................................................................................................4-22

4.3.6 BREAKER CONTROL ......................................................................................4-22

4.3.7 MENUS.............................................................................................................4-23

4.3.8 CHANGING SETTINGS ...................................................................................4-25

5. SETTINGS 5.1 OVERVIEW

5.1.1 SETTINGS MAIN MENU ....................................................................................5-1

5.1.2 INTRODUCTION TO ELEMENTS......................................................................5-4

5.1.3 INTRODUCTION TO AC SOURCES..................................................................5-5

5.2 PRODUCT SETUP

5.2.1 SECURITY..........................................................................................................5-8

5.2.2 DISPLAY PROPERTIES ..................................................................................5-12

5.2.3 CLEAR RELAY RECORDS ..............................................................................5-14

5.2.4 COMMUNICATIONS ........................................................................................5-15

5.2.5 MODBUS USER MAP ......................................................................................5-34

5.2.6 REAL TIME CLOCK .........................................................................................5-35

5.2.7 OSCILLOGRAPHY ...........................................................................................5-36

5.2.8 DATA LOGGER................................................................................................5-38

5.2.9 DEMAND ..........................................................................................................5-39

5.2.10 USER-PROGRAMMABLE LEDS .....................................................................5-40

5.2.11 USER-PROGRAMMABLE SELF TESTS .........................................................5-44

5.2.12 CONTROL PUSHBUTTONS ............................................................................5-44

5.2.13 USER-PROGRAMMABLE PUSHBUTTONS....................................................5-46

5.2.14 FLEX STATE PARAMETERS ..........................................................................5-51

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5.2.15 USER-DEFINABLE DISPLAYS .......................................................................5-52

5.2.16 DIRECT INPUTS/OUTPUTS ........................................................................... 5-54

5.2.17 TELEPROTECTION......................................................................................... 5-62

5.2.18 INSTALLATION................................................................................................ 5-62

5.3 REMOTE RESOURCES

5.3.1 REMOTE RESOURCES CONFIGURATION ................................................... 5-64

5.4 SYSTEM SETUP

5.4.1 AC INPUTS ...................................................................................................... 5-65

5.4.2 POWER SYSTEM............................................................................................ 5-67

5.4.3 SIGNAL SOURCES ......................................................................................... 5-68

5.4.4 BREAKERS...................................................................................................... 5-70

5.4.5 DISCONNECT SWITCHES ............................................................................. 5-74

5.4.6 PHASOR MEASUREMENT UNIT.................................................................... 5-77

5.5 FLEXLOGIC™

5.5.1 INTRODUCTION TO FLEXLOGIC™............................................................... 5-93

5.5.2 FLEXLOGIC™ RULES .................................................................................. 5-102

5.5.3 FLEXLOGIC™ EVALUATION........................................................................ 5-103

5.5.4 FLEXLOGIC™ EXAMPLE ............................................................................. 5-103

5.5.5 FLEXLOGIC™ EQUATION EDITOR ............................................................. 5-108

5.5.6 FLEXLOGIC™ TIMERS................................................................................. 5-108

5.5.7 FLEXELEMENTS™ ....................................................................................... 5-109

5.5.8 NON-VOLATILE LATCHES ........................................................................... 5-113

5.5.9 FLEXMATH .................................................................................................... 5-114

5.6 GROUPED ELEMENTS

5.6.1 OVERVIEW.................................................................................................... 5-117

5.6.2 SETTING GROUP ......................................................................................... 5-117

5.6.3 POWER SWING DETECT ............................................................................. 5-118

5.6.4 PHASE CURRENT ........................................................................................ 5-126

5.6.5 VOLTAGE ELEMENTS.................................................................................. 5-128

5.6.6 SUPERVISING ELEMENTS .......................................................................... 5-132

5.6.7 SENSITIVE DIRECTIONAL POWER............................................................. 5-134

5.7 CONTROL ELEMENTS

5.7.1 OVERVIEW.................................................................................................... 5-137

5.7.2 TRIP BUS....................................................................................................... 5-137

5.7.3 SETTING GROUPS ....................................................................................... 5-139

5.7.4 SELECTOR SWITCH..................................................................................... 5-140

5.7.5 UNDERFREQUENCY.................................................................................... 5-146

5.7.6 OVERFREQUENCY ...................................................................................... 5-147

5.7.7 SYNCHROCHECK......................................................................................... 5-148

5.7.8 DIGITAL ELEMENTS..................................................................................... 5-152

5.7.9 DIGITAL COUNTERS .................................................................................... 5-155

5.7.10 MONITORING ELEMENTS ........................................................................... 5-158

5.7.11 FREQUENCY RATE OF CHANGE................................................................ 5-159

5.7.12 DIGITIZERS ................................................................................................... 5-161

5.7.13 8-BIT COMPARATORS ................................................................................. 5-164

5.7.14 8-BIT SWITCHES .......................................................................................... 5-170

5.8 INPUTS AND OUTPUTS

5.8.1 CONTACT INPUTS........................................................................................ 5-172

5.8.2 VIRTUAL INPUTS.......................................................................................... 5-174

5.8.3 CONTACT OUTPUTS.................................................................................... 5-175

5.8.4 VIRTUAL OUTPUTS...................................................................................... 5-177

5.8.5 REMOTE DEVICES....................................................................................... 5-178

5.8.6 REMOTE INPUTS.......................................................................................... 5-179

5.8.7 REMOTE DOUBLE-POINT STATUS INPUTS .............................................. 5-180

5.8.8 REMOTE OUTPUTS...................................................................................... 5-180

5.8.9 RESETTING................................................................................................... 5-181

5.8.10 DIRECT INPUTS AND OUTPUTS ................................................................. 5-182

5.8.11 DIRECT ANALOG INPUTS AND OUTPUTS ................................................. 5-185

5.8.12 DIRECT INTEGER INPUTS AND OUTPUTS................................................ 5-187

5.8.13 TELEPROTECTION INPUTS/OUTPUTS ...................................................... 5-189

5.8.14 IEC 61850 GOOSE ANALOGS...................................................................... 5-191

5.8.15 IEC 61850 GOOSE INTEGERS.....................................................................5-192

5.9 TRANSDUCER INPUTS AND OUTPUTS

5.9.1 DCMA INPUTS .............................................................................................. 5-193

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5.9.2 RTD INPUTS ..................................................................................................5-194

5.9.3 DCMA OUTPUTS ...........................................................................................5-196

5.10 TESTING

5.10.1 TEST MODE ...................................................................................................5-199

5.10.2 FORCE CONTACT INPUTS...........................................................................5-200

5.10.3 FORCE CONTACT OUTPUTS.......................................................................5-201

5.10.4 PHASOR MEASUREMENT UNIT TEST VALUES.........................................5-202

6. ACTUAL VALUES 6.1 OVERVIEW

6.1.1 ACTUAL VALUES MAIN MENU.........................................................................6-1

6.2 STATUS

6.2.1 CONTACT INPUTS ............................................................................................6-4

6.2.2 VIRTUAL INPUTS ..............................................................................................6-4

6.2.3 REMOTE INPUTS ..............................................................................................6-4

6.2.4 REMOTE DOUBLE-POINT STATUS INPUTS...................................................6-5

6.2.5 TELEPROTECTION INPUTS .............................................................................6-5

6.2.6 CONTACT OUTPUTS ........................................................................................6-5

6.2.7 VIRTUAL OUTPUTS ..........................................................................................6-6

6.2.8 REMOTE DEVICES............................................................................................6-6

6.2.9 DIGITAL COUNTERS.........................................................................................6-7

6.2.10 SELECTOR SWITCHES ....................................................................................6-7

6.2.11 FLEX STATES....................................................................................................6-7

6.2.12 ETHERNET ........................................................................................................6-7

6.2.13 DIRECT INPUTS ................................................................................................6-8

6.2.14 DIRECT DEVICES STATUS ..............................................................................6-8

6.2.15 IEC 61850 GOOSE INTEGERS .........................................................................6-9

6.2.16 DIRECT INTEGER INPUTS ...............................................................................6-9

6.2.17 TELEPROTECTION CHANNEL TESTS.............................................................6-9

6.2.18 ETHERNET SWITCH .......................................................................................6-10

6.3 METERING

6.3.1 METERING CONVENTIONS ...........................................................................6-11

6.3.2 SOURCES ........................................................................................................6-14

6.3.3 SENSITIVE DIRECTIONAL POWER ...............................................................6-19

6.3.4 SYNCHROCHECK ...........................................................................................6-19

6.3.5 TRACKING FREQUENCY................................................................................6-19

6.3.6 FLEXELEMENTS™..........................................................................................6-19

6.3.7 DIGITIZERS......................................................................................................6-20

6.3.8 EIGHT-BIT COMPARATORS...........................................................................6-20

6.3.9 SUMMATOR.....................................................................................................6-20

6.3.10 DIRECT ANALOGS ..........................................................................................6-21

6.3.11 IEC 61580 GOOSE ANALOG VALUES ...........................................................6-21

6.3.12 PHASOR MEASUREMENT UNIT ....................................................................6-21

6.3.13 TRANSDUCER INPUTS AND OUTPUTS........................................................6-22

6.4 RECORDS

6.4.1 EVENT RECORDS...........................................................................................6-23

6.4.2 OSCILLOGRAPHY ...........................................................................................6-23

6.4.3 DATA LOGGER................................................................................................6-23

6.4.4 PHASOR MEASUREMENT UNIT RECORDS .................................................6-24

6.4.5 BREAKER MAINTENANCE .............................................................................6-24

6.5 PRODUCT INFORMATION

6.5.1 MODEL INFORMATION...................................................................................6-25

6.5.2 FIRMWARE REVISIONS..................................................................................6-25

7. COMMANDS AND
TARGETS

7.1 COMMANDS

7.1.1 COMMANDS MENU...........................................................................................7-1

7.1.2 VIRTUAL INPUTS ..............................................................................................7-1

7.1.3 CLEAR RECORDS.............................................................................................7-2

7.1.4 SET DATE AND TIME ........................................................................................7-2

7.1.5 RELAY MAINTENANCE.....................................................................................7-3

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7.1.6 PHASOR MEASUREMENT UNIT ONE-SHOT.................................................. 7-3

7.2 TARGETS

7.2.1 TARGETS MENU............................................................................................... 7-6

7.2.2 TARGET MESSAGES ....................................................................................... 7-6

7.2.3 RELAY SELF-TESTS.........................................................................................7-6

8. SECURITY 8.1 PASSWORD SECURITY

8.1.1 OVERVIEW........................................................................................................ 8-1

8.1.2 PASSWORD SECURITY MENU ....................................................................... 8-2

8.1.3 LOCAL PASSWORDS....................................................................................... 8-2

8.1.4 REMOTE PASSWORDS ................................................................................... 8-3

8.1.5 ACCESS SUPERVISION................................................................................... 8-3

8.1.6 DUAL PERMISSION SECURITY ACCESS....................................................... 8-4

8.2 SETTINGS SECURITY

8.2.1 SETTINGS TEMPLATES................................................................................... 8-6

8.2.2 SECURING AND LOCKING FLEXLOGIC™ EQUATIONS ............................. 8-10

8.2.3 SETTINGS FILE TRACEABILITY.................................................................... 8-12

8.3 ENERVISTA SECURITY MANAGEMENT SYSTEM

8.3.1 OVERVIEW...................................................................................................... 8-15

8.3.2 ENABLING THE SECURITY MANAGEMENT SYSTEM................................. 8-15

8.3.3 ADDING A NEW USER ................................................................................... 8-15

8.3.4 MODIFYING USER PRIVILEGES ...................................................................8-16

9. COMMISSIONING 9.1 TESTING

9.1.1 TESTING UNDERFREQUENCY AND OVERFREQUENCY ELEMENTS......... 9-1

A. FLEXANALOG AND

FLEXINTEGER
PARAMETERS

B. MODBUS

COMMUNICATIONS

A.1 PARAMETER LISTS

A.1.1 FLEXANALOG ITEMS .......................................................................................A-1

A.1.2 FLEXINTEGER ITEMS ....................................................................................A-17

B.1 MODBUS RTU PROTOCOL

B.1.1 INTRODUCTION................................................................................................B-1

B.1.2 PHYSICAL LAYER.............................................................................................B-1

B.1.3 DATA LINK LAYER............................................................................................B-1

B.1.4 CRC-16 ALGORITHM........................................................................................B-2

B.2 MODBUS FUNCTION CODES

B.2.1 SUPPORTED FUNCTION CODES ...................................................................B-3

B.2.2 READ ACTUAL VALUES OR SETTINGS (FUNCTION CODE 03/04H) ...........B-3

B.2.3 EXECUTE OPERATION (FUNCTION CODE 05H) ...........................................B-4

B.2.4 STORE SINGLE SETTING (FUNCTION CODE 06H).......................................B-4

B.2.5 STORE MULTIPLE SETTINGS (FUNCTION CODE 10H) ................................B-5

B.2.6 EXCEPTION RESPONSES...............................................................................B-5

B.3 FILE TRANSFERS

B.3.1 OBTAINING RELAY FILES VIA MODBUS........................................................B-6

B.3.2 MODBUS PASSWORD OPERATION ...............................................................B-7

B.4 MEMORY MAPPING

B.4.1 MODBUS MEMORY MAP .................................................................................B-8

B.4.2 DATA FORMATS .............................................................................................B-65

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C. IEC 61850

COMMUNICATIONS

C.1 OVERVIEW

C.1.1 INTRODUCTION ...............................................................................................C-1

C.1.2 COMMUNICATION PROFILES.........................................................................C-1

C.2 SERVER DATA ORGANIZATION

C.2.1 OVERVIEW .......................................................................................................C-2

C.2.2 GGIO1: DIGITAL STATUS VALUES.................................................................C-2

C.2.3 GGIO2: DIGITAL CONTROL VALUES..............................................................C-2

C.2.4 GGIO3: DIGITAL STATUS AND ANALOG VALUES FROM RECEIVED GOOSE

DATAC-2

C.2.5 GGIO4: GENERIC ANALOG MEASURED VALUES.........................................C-2

C.2.6 MMXU: ANALOG MEASURED VALUES ..........................................................C-3

C.2.7 PROTECTION AND OTHER LOGICAL NODES............................................... C-3

C.3 SERVER FEATURES AND CONFIGURATION

C.3.1 BUFFERED/UNBUFFERED REPORTING........................................................C-5

C.3.2 FILE TRANSFER...............................................................................................C-5

C.3.3 TIMESTAMPS AND SCANNING....................................................................... C-5

C.3.4 LOGICAL DEVICE NAME .................................................................................C-5

C.3.5 LOCATION ........................................................................................................C-5

C.3.6 LOGICAL NODE NAME PREFIXES..................................................................C-6

C.3.7 CONNECTION TIMING.....................................................................................C-6

C.3.8 NON-IEC 61850 DATA...................................................................................... C-6

C.3.9 COMMUNICATION SOFTWARE UTILITIES..................................................... C-6

C.4 GENERIC SUBSTATION EVENT SERVICES: GSSE AND GOOSE

C.4.1 OVERVIEW .......................................................................................................C-7

C.4.2 GSSE CONFIGURATION..................................................................................C-7

C.4.3 FIXED GOOSE.................................................................................................. C-7

C.4.4 CONFIGURABLE GOOSE ................................................................................ C-7

C.4.5 ETHERNET MAC ADDRESS FOR GSSE/GOOSE ..........................................C-9

C.4.6 GSSE ID AND GOOSE ID SETTINGS............................................................C-10

C.5 IEC 61850 IMPLEMENTATION VIA ENERVISTA UR SETUP

C.5.1 OVERVIEW .....................................................................................................C-11

C.5.2 CONFIGURING IEC 61850 SETTINGS ..........................................................C-12

C.5.3 ABOUT ICD FILES ..........................................................................................C-13

C.5.4 CREATING AN ICD FILE WITH ENERVISTA UR SETUP.............................. C-17

C.5.5 ABOUT SCD FILES.........................................................................................C-17

C.5.6 IMPORTING AN SCD FILE WITH ENERVISTA UR SETUP........................... C-20

C.6 ACSI CONFORMANCE

C.6.1 ACSI BASIC CONFORMANCE STATEMENT ................................................ C-22

C.6.2 ACSI MODELS CONFORMANCE STATEMENT............................................C-22

C.6.3 ACSI SERVICES CONFORMANCE STATEMENT .........................................C-23

C.7 LOGICAL NODES

C.7.1 LOGICAL NODES TABLE ............................................................................... C-26

D. IEC 60870-5-104 COMMS. D.1 IEC 60870-5-104 PROTOCOL

D.1.1 INTEROPERABILITY DOCUMENT...................................................................D-1

D.1.2 POINTS LIST.....................................................................................................D-9

E. DNP COMMUNICATIONS E.1 DEVICE PROFILE DOCUMENT

E.1.1 DNP V3.00 DEVICE PROFILE .......................................................................... E-1

E.1.2 IMPLEMENTATION TABLE ..............................................................................E-4

E.2 DNP POINT LISTS

E.2.1 BINARY INPUT POINTS ................................................................................... E-8

E.2.2 BINARY AND CONTROL RELAY OUTPUT...................................................... E-9

E.2.3 COUNTERS.....................................................................................................E-10

E.2.4 ANALOG INPUTS............................................................................................E-11

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F. MISCELLANEOUS F.1 CHANGE NOTES

F.1.1 REVISION HISTORY .........................................................................................F-1

F.1.2 CHANGES TO THE MANUAL ...........................................................................F-1

F.2 ABBREVIATIONS

F.2.1 STANDARD ABBREVIATIONS .........................................................................F-6

F.3 WARRANTY

F.3.1 GE MULTILIN WARRANTY ............................................................................... F-8

INDEX

GE Multilin N60 Network Stability and Synchrophasor Measurement System xi

TABLE OF CONTENTS

xii N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.1 IMPORTANT PROCEDURES

DANGER

WARNING

CAUTION

NOTICE

®

®

Technical Support:
Tel: [phone]
Fax: [phone]

http://www.GEmultilin.com

Model:
Mods:
Wiring Diagram:
Inst. Manual:
Serial Number:
Firmware:
Mfg. Date:

N60E00HCHF8AH6AM6BP8BX7A
000
847702A3
GEK-113278
MAZB98000029
D
2005/03/20

Control Power:
Contact Inputs:
Contact Outputs:

88-300V DC @ 35W / 77-265V AC @ 35VA
300V DC Max 10mA
Standard Pilot Duty / 250V AC 7.5A
360V A Resistive / 125V DC Break
4A @ L/R = 40mS / 300W

RATINGS:

N60

GE Multilin

Made in
Canada

- M A A B 9 7 0 0 0 0 9 9 -

Network Stability and Security Relay

847711A1.CDR

NOTE

1 GETTING STARTED 1.1IMPORTANT PROCEDURES

Please read this chapter to help guide you through the initial setup of your new relay.

1.1.1 CAUTIONS AND WARNINGS

Before attempting to install or use the device, review all safety indicators in this document to help prevent injury, equipment
damage, or downtime.

The following safety and equipment symbols are used in this document.

Indicates a hazardous situation which, if not avoided, will result in death or serious injury.

Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

Indicates a hazardous situation which, if not avoided, could result in minor or moderate
injury.

Indicates practices not related to personal injury.

1.1.2 INSPECTION CHECKLIST

1. Open the relay packaging and inspect the unit for physical damage.

2. View the rear nameplate and verify that the correct model has been ordered.

1

Figure 1–1: REAR NAMEPLATE (EXAMPLE)

3. Ensure that the following items are included:

• Instruction manual (if ordered)

• GE EnerVista CD (includes the EnerVista UR Setup software and manuals in PDF format)

• Mounting screws

For product information, instruction manual updates, and the latest software updates, please visit the GE Digital Energy
website.

If there is any noticeable physical damage, or any of the contents listed are missing, please contact GE
Multilin immediately.

GE MULTILIN CONTACT INFORMATION AND CALL CENTER FOR PRODUCT SUPPORT:

GE Digital Energy
650 Markland Street
Markham, Ontario
Canada L6C 0M1

TELEPHONE: Worldwide [phone]

Europe/Middle East/Africa [phone]
North America toll-free 1 800 547 8629

FAX: [phone]
E-MAIL: Worldwide [e-mail]

Europe [e-mail]

HOME PAGE: http://www.gedigitalenergy.com/multilin

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-1

1.2 UR OVERVIEW 1 GETTING STARTED

1.2UR OVERVIEW 1.2.1 INTRODUCTION TO THE UR

1

Historically, substation protection, control, and metering functions were performed with electromechanical equipment. This
first generation of equipment was gradually replaced by analog electronic equipment, most of which emulated the single­function approach of their electromechanical precursors. Both of these technologies required expensive cabling and auxil­iary equipment to produce functioning systems.

Recently, digital electronic equipment has begun to provide protection, control, and metering functions. Initially, this equip­ment was either single function or had very limited multi-function capability, and did not significantly reduce the cabling and
auxiliary equipment required. However, recent digital relays have become quite multi-functional, reducing cabling and aux­iliaries significantly. These devices also transfer data to central control facilities and Human Machine Interfaces using elec­tronic communications. The functions performed by these products have become so broad that many users now prefer the
term IED (Intelligent Electronic Device).

It is obvious to station designers that the amount of cabling and auxiliary equipment installed in stations can be even further
reduced, to 20% to 70% of the levels common in 1990, to achieve large cost reductions. This requires placing even more
functions within the IEDs.

Users of power equipment are also interested in reducing cost by improving power quality and personnel productivity, and
as always, in increasing system reliability and efficiency. These objectives are realized through software which is used to
perform functions at both the station and supervisory levels. The use of these systems is growing rapidly.

High speed communications are required to meet the data transfer rates required by modern automatic control and moni­toring systems. In the near future, very high speed communications will be required to perform protection signaling with a
performance target response time for a command signal between two IEDs, from transmission to reception, of less than 3
milliseconds. This has been established by the IEC 61850 standard.

IEDs with the capabilities outlined above will also provide significantly more power system data than is presently available,
enhance operations and maintenance, and permit the use of adaptive system configuration for protection and control sys­tems. This new generation of equipment must also be easily incorporated into automation systems, at both the station and
enterprise levels. The GE Multilin Universal Relay (UR) has been developed to meet these goals.

1-2 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.2 UR OVERVIEW

827822A2.CDR

Input Elements

LAN

Programming

Device

Operator
Interface

Contact Inputs Contact Outputs

Virtual Inputs

Virtual Outputs

Analog Inputs

Analog Outputs

CT Inputs

VT Inputs

Input

Status

Table

Output

Status

Table

Pickup
Dropout
Operate

Protective Elements

Logic Gates

Remote Outputs

-DNA

-USER

CPU Module Output Elements

Remote Inputs

Direct Inputs

Direct Outputs

1.2.2 HARDWARE ARCHITECTURE

a) UR BASIC DESIGN

The UR is a digital-based device containing a central processing unit (CPU) that handles multiple types of input and output
signals. The UR can communicate over a local area network (LAN) with an operator interface, a programming device, or
another UR device.

Figure 1–2: UR CONCEPT BLOCK DIAGRAM

The CPU module contains firmware that provides protection elements in the form of logic algorithms, as well as program­mable logic gates, timers, and latches for control features.

Input elements accept a variety of analog or digital signals from the field. The UR isolates and converts these signals into
logic signals used by the relay.

Output elements convert and isolate the logic signals generated by the relay into digital or analog signals that can be used
to control field devices.

1

b) UR SIGNAL TYPES

The contact inputs and outputs are digital signals associated with connections to hard-wired contacts. Both ‘wet’ and ‘dry’
contacts are supported.

The virtual inputs and outputs are digital signals associated with UR-series internal logic signals. Virtual inputs include
signals generated by the local user interface. The virtual outputs are outputs of FlexLogic™ equations used to customize
the device. Virtual outputs can also serve as virtual inputs to FlexLogic™ equations.

The analog inputs and outputs are signals that are associated with transducers, such as Resistance Temperature Detec-
tors (RTDs).

The CT and VT inputs refer to analog current transformer and voltage transformer signals used to monitor AC power lines.
The UR-series relays support 1 A and 5 A CTs.

The remote inputs and outputs provide a means of sharing digital point state information between remote UR-series
devices. The remote outputs interface to the remote inputs of other UR-series devices. Remote outputs are FlexLogic™
operands inserted into IEC 61850 GSSE and GOOSE messages.

The direct inputs and outputs provide a means of sharing digital point states between a number of UR-series IEDs over a
dedicated fiber (single or multimode), RS422, or G.703 interface. No switching equipment is required as the IEDs are con­nected directly in a ring or redundant (dual) ring configuration. This feature is optimized for speed and intended for pilot­aided schemes, distributed logic applications, or the extension of the input/output capabilities of a single relay chassis.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-3

1.2 UR OVERVIEW 1 GETTING STARTED

827823A1.CDR

PKP
DPO
OP

Protective Elements

Protection elements

serviced by sub-scan

Read Inputs

Solve Logic

Set Outputs

c) UR SCAN OPERATION

The UR-series devices operate in a cyclic scan fashion. The device reads the inputs into an input status table, solves the

1

logic program (FlexLogic™ equation), and then sets each output to the appropriate state in an output status table. Any
resulting task execution is priority interrupt-driven.

Figure 1–3: UR-SERIES SCAN OPERATION

1.2.3 SOFTWARE ARCHITECTURE

The firmware (software embedded in the relay) is designed in functional modules which can be installed in any relay as
required. This is achieved with object-oriented design and programming (OOD/OOP) techniques.

Object-oriented techniques involve the use of objects and classes. An object is defined as “a logical entity that contains
both data and code that manipulates that data”. A class is the generalized form of similar objects. By using this concept,
one can create a protection class with the protection elements as objects of the class, such as time overcurrent, instanta­neous overcurrent, current differential, undervoltage, overvoltage, underfrequency, and distance. These objects represent
completely self-contained software modules. The same object-class concept can be used for metering, input/output control,
hmi, communications, or any functional entity in the system.

Employing OOD/OOP in the software architecture of the N60 achieves the same features as the hardware architecture:
modularity, scalability, and flexibility. The application software for any UR-series device (for example, feeder protection,
transformer protection, distance protection) is constructed by combining objects from the various functionality classes. This
results in a common look and feel across the entire family of UR-series platform-based applications.

1.2.4 IMPORTANT CONCEPTS

As described above, the architecture of the UR-series relays differ from previous devices. To achieve a general understand­ing of this device, some sections of Chapter 5 are quite helpful. The most important functions of the relay are contained in
“elements”. A description of the UR-series elements can be found in the Introduction to elements section in chapter 5.
Examples of simple elements, and some of the organization of this manual, can be found in the Control elements section of
chapter 5. An explanation of the use of inputs from CTs and VTs is in the Introduction to AC sources section in chapter 5. A
description of how digital signals are used and routed within the relay is contained in the Introduction to FlexLogic™ section
in chapter 5.

1-4 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.3 ENERVISTA UR SETUP SOFTWARE

1.3ENERVISTA UR SETUP SOFTWARE 1.3.1 PC REQUIREMENTS

The faceplate keypad and display or the EnerVista UR Setup software interface can be used to communicate with the relay.
The EnerVista UR Setup software interface is the preferred method to edit settings and view actual values because the PC
monitor can display more information in a simple comprehensible format.

The following minimum requirements must be met for the EnerVista UR Setup software to properly operate on a PC.

• Pentium class or higher processor (Pentium II 300 MHz or higher recommended)

• Windows 95, 98, 98SE, ME, NT 4.0 (Service Pack 4 or higher), 2000, XP

• Internet Explorer 4.0 or higher

• 128 MB of RAM (256 MB recommended)

• 200 MB of available space on system drive and 200 MB of available space on installation drive

• Video capable of displaying 800 x 600 or higher in high-color mode (16-bit color)

• RS232 and/or Ethernet port for communications to the relay

The following qualified modems have been tested to be compliant with the N60 and the EnerVista UR Setup software.

• US Robotics external 56K FaxModem 5686

• US Robotics external Sportster 56K X2

• PCTEL 2304WT V.92 MDC internal modem

1.3.2 INSTALLATION

After ensuring the minimum requirements for using EnerVista UR Setup are met (see previous section), use the following
procedure to install the EnerVista UR Setup from the enclosed GE EnerVista CD.

1. Insert the GE EnerVista CD into your CD-ROM drive.

2. Click the Install Now button and follow the installation instructions to install the no-charge EnerVista software.

3. When installation is complete, start the EnerVista Launchpad application.

4. Click the IED Setup section of the Launch Pad window.

1

5. In the EnerVista Launch Pad window, click the Add Product button and select the “N60 Network Stability and Syn-
chrophasor Measurement System” from the Install Software window as shown below. Select the “Web” option to
ensure the most recent software release, or select “CD” if you do not have a web connection, then click the Add Now

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-5

1.3 ENERVISTA UR SETUP SOFTWARE 1 GETTING STARTED

button to list software items for the N60.

1

6. EnerVista Launchpad will obtain the software from the Web or CD and automatically start the installation program.

7. Select the complete path, including the new directory name, where the EnerVista UR Setup will be installed.

8. Click on Next to begin the installation. The files will be installed in the directory indicated and the installation program
will automatically create icons and add EnerVista UR Setup to the Windows start menu.

9. Click Finish to end the installation. The UR-series device will be added to the list of installed IEDs in the EnerVista
Launchpad window, as shown below.

1.3.3 CONFIGURING THE N60 FOR SOFTWARE ACCESS

a) OVERVIEW

The user can connect remotely to the N60 through the rear RS485 port or the rear Ethernet port with a PC running the
EnerVista UR Setup software. The N60 can also be accessed locally with a laptop computer through the front panel RS232
port or the rear Ethernet port using the Quick Connect feature.

1-6 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.3 ENERVISTA UR SETUP SOFTWARE

• To configure the N60 for remote access via the rear RS485 port(s), refer to the Configuring Serial Communications

section.

• To configure the N60 for remote access via the rear Ethernet port, refer to the Configuring Ethernet Communications

section. An Ethernet module must be specified at the time of ordering.

• To configure the N60 for local access with a laptop through either the front RS232 port or rear Ethernet port, refer to

the Using the Quick Connect Feature section. An Ethernet module must be specified at the time of ordering for Ether­net communications.

b) CONFIGURING SERIAL COMMUNICATIONS

Before starting, verify that the serial cable is properly connected to the RS485 terminals on the back of the device. The
faceplate RS232 port is intended for local use and is not described in this section; see the Using the Quick Connect Feature
section for details on configuring the RS232 port.

A GE Multilin F485 converter (or compatible RS232-to-RS485 converter) is will be required. Refer to the F485 instruction
manual for additional details.

1. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE EnerVista CD or

online from http://www.gedigitalenergy.com/multilin

2. Select the “UR” device from the EnerVista Launchpad to start EnerVista UR Setup.

3. Click the Device Setup button to open the Device Setup window and click the Add Site button to define a new site.

4. Enter the desired site name in the “Site Name” field. If desired, a short description of site can also be entered along

with the display order of devices defined for the site. In this example, we will use “Location 1” as the site name. Click
the OK button when complete.

5. The new site will appear in the upper-left list in the EnerVista UR Setup window. Click the Device Setup button then

select the new site to re-open the Device Setup window.

6. Click the Add Device button to define the new device.

7. Enter the desired name in the “Device Name” field and a description (optional) of the site.

8. Select “Serial” from the Interface drop-down list. This will display a number of interface parameters that must be

entered for proper serial communications.

). See the Software Installation section for installation details.

1

Figure 1–4: CONFIGURING SERIAL COMMUNICATIONS

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-7

1.3 ENERVISTA UR SETUP SOFTWARE 1 GETTING STARTED

9. Enter the relay slave address, COM port, baud rate, and parity settings from the SETTINGS  PRODUCT SETUP  COM-

1

MUNICATIONS  SERIAL PORTS menu in their respective fields.

10. Click the Read Order Code button to connect to the N60 device and upload the order code. If an communications
error occurs, ensure that the EnerVista UR Setup serial communications values entered in the previous step corre­spond to the relay setting values.

11. Click “OK” when the relay order code has been received. The new device will be added to the Site List window (or
Online window) located in the top left corner of the main EnerVista UR Setup window.

The Site Device has now been configured for RS232 communications. Proceed to the Connecting to the N60 section to
begin communications.

c) CONFIGURING ETHERNET COMMUNICATIONS

Before starting, verify that the Ethernet network cable is properly connected to the Ethernet port on the back of the relay. To
setup the relay for Ethernet communications, it will be necessary to define a Site, then add the relay as a Device at that site.

1. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE EnerVista CD or
online from http://www.gedigitalenergy.com/multilin

2. Select the “UR” device from the EnerVista Launchpad to start EnerVista UR Setup.

3. Click the Device Setup button to open the Device Setup window, then click the Add Site button to define a new site.

4. Enter the desired site name in the “Site Name” field. If desired, a short description of site can also be entered along
with the display order of devices defined for the site. In this example, we will use “Location 2” as the site name. Click
the OK button when complete.

5. The new site will appear in the upper-left list in the EnerVista UR Setup window. Click the Device Setup button then
select the new site to re-open the Device Setup window.

6. Click the Add Device button to define the new device.

7. Enter the desired name in the “Device Name” field and a description (optional) of the site.

8. Select “Ethernet” from the Interface drop-down list. This will display a number of interface parameters that must be
entered for proper Ethernet functionality.

). See the Software Installation section for installation details.

Figure 1–5: CONFIGURING ETHERNET COMMUNICATIONS

1-8 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.3 ENERVISTA UR SETUP SOFTWARE

9. Enter the relay IP address specified in the SETTINGS  PRODUCT SETUP  COMMUNICATIONS  NETWORK  IP

ADDRESS) in the “IP Address” field.

10. Enter the relay slave address and Modbus port address values from the respective settings in the SETTINGS  PROD-

UCT SETUP  COMMUNICATIONS  MODBUS PROTOCOL menu.

11. Click the Read Order Code button to connect to the N60 device and upload the order code. If an communications

error occurs, ensure that the three EnerVista UR Setup values entered in the previous steps correspond to the relay
setting values.

12. Click OK when the relay order code has been received. The new device will be added to the Site List window (or

Online window) located in the top left corner of the main EnerVista UR Setup window.

The Site Device has now been configured for Ethernet communications. Proceed to the Connecting to the N60 section to
begin communications.

1.3.4 USING THE QUICK CONNECT FEATURE

a) USING QUICK CONNECT VIA THE FRONT PANEL RS232 PORT

Before starting, verify that the serial cable is properly connected from the laptop computer to the front panel RS232 port
with a straight-through 9-pin to 9-pin RS232 cable.

1. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE EnerVista CD or

online from http://www.gedigitalenergy.com/multilin

2. Select the “UR” device from the EnerVista Launchpad to start EnerVista UR Setup.

3. Click the Quick Connect button to open the Quick Connect dialog box.

). See the Software Installation section for installation details.

1

4. Select the Serial interface and the correct COM Port, then click Connect.

5. The EnerVista UR Setup software will create a site named “Quick Connect” with a corresponding device also named

“Quick Connect” and display them on the upper-left corner of the screen. Expand the sections to view data directly
from the N60 device.

Each time the EnerVista UR Setup software is initialized, click the Quick Connect button to establish direct communica­tions to the N60. This ensures that configuration of the EnerVista UR Setup software matches the N60 model number.

b) USING QUICK CONNECT VIA THE REAR ETHERNET PORTS

To use the Quick Connect feature to access the N60 from a laptop through Ethernet, first assign an IP address to the relay
from the front panel keyboard.

1. Press the MENU key until the SETTINGS menu is displayed.

2. Navigate to the

3. Enter an IP address of “1.1.1.1” and select the ENTER key to save the value.

4. In the same menu, select the

5. Enter a subnet IP address of “255.0.0.0” and press the ENTER key to save the value.

SETTINGS  PRODUCT SETUP  COMMUNICATIONS  NETWORK  IP ADDRESS setting.

SUBNET IP MASK setting.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-9

1.3 ENERVISTA UR SETUP SOFTWARE 1 GETTING STARTED

842799A1.CDR

END 1 END 2
Pin Wire color Diagram Pin Wire color Diagram

1 White/orange 1 White/green
2 Orange 2 Green

3 White/green 3 White/orange
4 Blue 4 Blue
5 White/blue 5 White/blue
6 Green 6 Orange
7 White/brown 7 White/brown
8 Brown 8 Brown

1

2

3

4

5

6

7

8

Next, use an Ethernet cross-over cable to connect the laptop to the rear Ethernet port. The pinout for an Ethernet cross­over cable is shown below.

1

Figure 1–6: ETHERNET CROSS-OVER CABLE PIN LAYOUT

Now, assign the laptop computer an IP address compatible with the relay’s IP address.

1. From the Windows desktop, right-click the My Network Places icon and select Properties to open the network con­nections window.

2. Right-click the Local Area Connection icon and select Properties.

1-10 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.3 ENERVISTA UR SETUP SOFTWARE

3. Select the Internet Protocol (TCP/IP) item from the list provided and click the Properties button.

4. Click on the “Use the following IP address” box.

5. Enter an IP address with the first three numbers the same as the IP address of the N60 relay and the last number dif-

ferent (in this example, 1.1.1.2).

6. Enter a subnet mask equal to the one set in the N60 (in this example, 255.0.0.0).

7. Click OK to save the values.

Before continuing, it will be necessary to test the Ethernet connection.

1. Open a Windows console window by selecting Start > Run from the Windows Start menu and typing “cmd”.

2. Type the following command:

C:\WINNT>ping 1.1.1.1

3. If the connection is successful, the system will return four replies as follows:

Pinging 1.1.1.1 with 32 bytes of data:

Reply from 1.1.1.1: bytes=32 time<10ms TTL=255
Reply from 1.1.1.1: bytes=32 time<10ms TTL=255
Reply from 1.1.1.1: bytes=32 time<10ms TTL=255
Reply from 1.1.1.1: bytes=32 time<10ms TTL=255

Ping statistics for 1.1.1.1:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip time in milli-seconds:

Minimum = 0ms, Maximum = 0ms, Average = 0 ms

4. Note that the values for time and TTL will vary depending on local network configuration.

If the following sequence of messages appears when entering the

C:\WINNT>ping 1.1.1.1 command:

1

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-11

1.3 ENERVISTA UR SETUP SOFTWARE 1 GETTING STARTED

Pinging 1.1.1.1 with 32 bytes of data:

1

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 1.1.1.1:

Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

Approximate round trip time in milli-seconds:

Minimum = 0ms, Maximum = 0ms, Average = 0 ms

Pinging 1.1.1.1 with 32 bytes of data:

Verify the physical connection between the N60 and the laptop computer, and double-check the programmed IP address in

PRODUCT SETUP  COMMUNICATIONS  NETWORK  IP ADDRESS setting, then repeat step 2 in the above procedure.

the

If the following sequence of messages appears when entering the

Pinging 1.1.1.1 with 32 bytes of data:

Hardware error.
Hardware error.
Hardware error.
Hardware error.

Ping statistics for 1.1.1.1:

Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

Approximate round trip time in milli-seconds:

Minimum = 0ms, Maximum = 0ms, Average = 0 ms

Pinging 1.1.1.1 with 32 bytes of data:

C:\WINNT>ping 1.1.1.1 command:

Verify the physical connection between the N60 and the laptop computer, and double-check the programmed IP address in

PRODUCT SETUP  COMMUNICATIONS  NETWORK  IP ADDRESS setting, then repeat step 2 in the above procedure.

the

If the following sequence of messages appears when entering the

Pinging 1.1.1.1 with 32 bytes of data:

Destination host unreachable.
Destination host unreachable.
Destination host unreachable.
Destination host unreachable.

Ping statistics for 1.1.1.1:

Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

Approximate round trip time in milli-seconds:

Minimum = 0ms, Maximum = 0ms, Average = 0 ms

Pinging 1.1.1.1 with 32 bytes of data:

C:\WINNT>ping 1.1.1.1 command:

Verify the IP address is programmed in the local PC by entering the ipconfig command in the command window.

C:\WINNT>ipconfig

Windows 2000 IP Configuration

Ethernet adapter <F4FE223E-5EB6-4BFB-9E34-1BD7BE7F59FF>:

Connection-specific DNS suffix. . :

IP Address. . . . . . . . . . . . : 0.0.0.0

Subnet Mask . . . . . . . . . . . : 0.0.0.0

Default Gateway . . . . . . . . . :

Ethernet adapter Local Area Connection:

Connection-specific DNS suffix . :

IP Address. . . . . . . . . . . . : 1.1.1.2

Subnet Mask . . . . . . . . . . . : 255.0.0.0

Default Gateway . . . . . . . . . :

C:\WINNT>

It may be necessary to restart the laptop for the change in IP address to take effect (Windows 98 or NT).

1-12 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.3 ENERVISTA UR SETUP SOFTWARE

Before using the Quick Connect feature through the Ethernet port, it is necessary to disable any configured proxy settings
in Internet Explorer.

1. Start the Internet Explorer software.

2. Select the Tools > Internet Options menu item and click on Connections tab.

3. Click on the LAN Settings button to open the following window.

4. Ensure that the “Use a proxy server for your LAN” box is not checked.

If this computer is used to connect to the Internet, re-enable any proxy server settings after the laptop has been discon­nected from the N60 relay.

1. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE enerVista CD or

online from http://www.gedigitalenergy.com/multilin). See the Software Installation section for installation details.

2. Start the Internet Explorer software.

3. Select the “UR” device from the EnerVista Launchpad to start EnerVista UR Setup.

4. Click the Quick Connect button to open the Quick Connect dialog box.

1

5. Select the Ethernet interface and enter the IP address assigned to the N60, then click Connect.

6. The EnerVista UR Setup software will create a site named “Quick Connect” with a corresponding device also named

“Quick Connect” and display them on the upper-left corner of the screen. Expand the sections to view data directly
from the N60 device.

Each time the EnerVista UR Setup software is initialized, click the Quick Connect button to establish direct communica­tions to the N60. This ensures that configuration of the EnerVista UR Setup software matches the N60 model number.

When direct communications with the N60 via Ethernet is complete, make the following changes:

1. From the Windows desktop, right-click the My Network Places icon and select Properties to open the network con-

nections window.

2. Right-click the Local Area Connection icon and select the Properties item.

3. Select the Internet Protocol (TCP/IP) item from the list provided and click the Properties button.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-13

1.3 ENERVISTA UR SETUP SOFTWARE 1 GETTING STARTED

4. Set the computer to “Obtain a relay address automatically” as shown below.

1

If this computer is used to connect to the Internet, re-enable any proxy server settings after the laptop has been discon­nected from the N60 relay.

AUTOMATIC DISCOVERY OF ETHERNET DEVICES

The EnerVista UR Setup software can automatically discover and communicate to all UR-series IEDs located on an Ether­net network.

Using the Quick Connect feature, a single click of the mouse will trigger the software to automatically detect any UR-series
relays located on the network. The EnerVista UR Setup software will then proceed to configure all settings and order code
options in the Device Setup menu, for the purpose of communicating to multiple relays. This feature allows the user to
identify and interrogate, in seconds, all UR-series devices in a particular location.

1-14 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.3 ENERVISTA UR SETUP SOFTWARE

842743A3.CDR

Communications status indicators:

Green = OK
Red = No communications
UR icon = report is open

Quick action hot links

Expand the site list by double-clicking
or selecting the +/– box.

NOTE

1.3.5 CONNECTING TO THE N60 RELAY

1. Open the Display Properties window through the Site List tree as shown below:

1

2. The Display Properties window will open with a status indicator on the lower left of the EnerVista UR Setup window.

3. If the status indicator is red, verify that the Ethernet network cable is properly connected to the Ethernet port on the

back of the relay and that the relay has been properly setup for communications (steps A and B earlier).

If a relay icon appears in place of the status indicator, than a report (such as an oscillography or event record) is open.
Close the report to re-display the green status indicator.

4. The Display Properties settings can now be edited, printed, or changed according to user specifications.

Refer to chapter 4 in this manual and the EnerVista UR Setup Help File for more information about the
using the EnerVista UR Setup software interface.

QUICK ACTION HOT LINKS

The EnerVista UR Setup software has several new quick action buttons that provide users with instant access to several
functions that are often performed when using N60 relays. From the online window, users can select which relay to interro­gate from a pull-down window, then click on the button for the action they wish to perform. The following quick action func­tions are available:

• View the N60 event record.

• View the last recorded oscillography record.

• View the status of all N60 inputs and outputs.

• View all of the N60 metering values.

• View the N60 protection summary.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-15

1.4 UR HARDWARE 1 GETTING STARTED

1.4UR HARDWARE 1.4.1 MOUNTING AND WIRING

1

Please refer to Chapter 3: Hardware for detailed mounting and wiring instructions. Review all WARNINGS and CAUTIONS
carefully.

1.4.2 COMMUNICATIONS

The EnerVista UR Setup software communicates to the relay via the faceplate RS232 port or the rear panel RS485 / Ether­net ports. To communicate via the faceplate RS232 port, a standard straight-through serial cable is used. The DB-9 male
end is connected to the relay and the DB-9 or DB-25 female end is connected to the PC COM1 or COM2 port as described
in the CPU communications ports section of chapter 3.

Figure 1–7: RELAY COMMUNICATIONS OPTIONS

To communicate through the N60 rear RS485 port from a PC RS232 port, the GE Multilin RS232/RS485 converter box is
required. This device (catalog number F485) connects to the computer using a “straight-through” serial cable. A shielded
twisted-pair (20, 22, or 24 AWG) connects the F485 converter to the N60 rear communications port. The converter termi­nals (+, –, GND) are connected to the N60 communication module (+, –, COM) terminals. Refer to the CPU communica-
tions ports section in chapter 3 for option details. The line should be terminated with an R-C network (that is, 120 Ω, 1 nF)
as described in the chapter 3.

1.4.3 FACEPLATE DISPLAY

All messages are displayed on a 2 × 20 backlit liquid crystal display (LCD) to make them visible under poor lighting condi­tions. Messages are descriptive and should not require the aid of an instruction manual for deciphering. While the keypad
and display are not actively being used, the display will default to user-defined messages. Any high priority event driven
message will automatically override the default message and appear on the display.

1-16 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.5 USING THE RELAY

1.5USING THE RELAY 1.5.1 FACEPLATE KEYPAD

Display messages are organized into pages under the following headings: actual values, settings, commands, and targets.
The MENU key navigates through these pages. Each heading page is broken down further into logical subgroups.

The MESSAGE keys navigate through the subgroups. The VALUE keys scroll increment or decrement numerical setting
values when in programming mode. These keys also scroll through alphanumeric values in the text edit mode. Alterna­tively, values may also be entered with the numeric keypad.

The decimal key initiates and advance to the next character in text edit mode or enters a decimal point. The HELP key may
be pressed at any time for context sensitive help messages. The ENTER key stores altered setting values.

1.5.2 MENU NAVIGATION

Press the MENU key to select the desired header display page (top-level menu). The header title appears momentarily fol­lowed by a header display page menu item. Each press of the MENU key advances through the following main heading
pages:

• Actual values.

• Settings.

• Commands.

• Targets.

• User displays (when enabled).

1.5.3 MENU HIERARCHY

The setting and actual value messages are arranged hierarchically. The header display pages are indicated by double
scroll bar characters (), while sub-header pages are indicated by single scroll bar characters (). The header display
pages represent the highest level of the hierarchy and the sub-header display pages fall below this level. The MESSAGE
UP and DOWN keys move within a group of headers, sub-headers, setting values, or actual values. Continually pressing
the MESSAGE RIGHT key from a header display displays specific information for the header category. Conversely, contin­ually pressing the MESSAGE LEFT key from a setting value or actual value display returns to the header display.

1

HIGHEST LEVEL LOWEST LEVEL (SETTING VALUE)

 SETTINGS
 PRODUCT SETUP

 SETTINGS
 SYSTEM SETUP

The relay is defaulted to the “Not Programmed” state when it leaves the factory. This safeguards against the installation of
a relay whose settings have not been entered. When powered up successfully, the Trouble LED will be on and the In Ser­vice LED off. The relay in the “Not Programmed” state will block signaling of any output relay. These conditions will remain
until the relay is explicitly put in the “Programmed” state.

Select the menu message

RELAY SETTINGS:
Not Programmed

SETTINGS  PRODUCT SETUP  INSTALLATION  RELAY SETTINGS

 PASSWORD
 SECURITY

ACCESS LEVEL:
Restricted

1.5.4 RELAY ACTIVATION

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-17

1.5 USING THE RELAY 1 GETTING STARTED

NOTE

To put the relay in the “Programmed” state, press either of the VALUE keys once and then press ENTER. The faceplate
Trouble LED will turn off and the In Service LED will turn on. The settings for the relay can be programmed manually (refer

1

to Chapter 5) via the faceplate keypad or remotely (refer to the EnerVista UR Setup help file) via the EnerVista UR Setup
software interface.

1.5.5 RELAY PASSWORDS

It is recommended that passwords be set up for each security level and assigned to specific personnel. There are two user
password security access levels, COMMAND and SETTING:

1. COMMAND

The COMMAND access level restricts the user from making any settings changes, but allows the user to perform the fol­lowing operations:

• operate breakers via faceplate keypad

• change state of virtual inputs

• clear event records

• clear oscillography records

• operate user-programmable pushbuttons

2. SETTING

The SETTING access level allows the user to make any changes to any of the setting values.

Refer to the Changing Settings section in Chapter 4 for complete instructions on setting up security level
passwords.

1.5.6 FLEXLOGIC™ CUSTOMIZATION

FlexLogic™ equation editing is required for setting up user-defined logic for customizing the relay operations. See the Flex­Logic™ section in Chapter 5 for additional details.

1-18 N60 Network Stability and Synchrophasor Measurement System GE Multilin

1 GETTING STARTED 1.5 USING THE RELAY

1.5.7 COMMISSIONING

The N60 requires a minimum amount of maintenance when it is commissioned into service. Since the N60 is a micropro­cessor-based relay, its characteristics do not change over time. As such, no further functional tests are required.

Furthermore, the N60 performs a number of continual self-tests and takes the necessary action in case of any major errors
(see the Relay Self-tests section in chapter 7 for details). However, it is recommended that N60 maintenance be scheduled
with other system maintenance. This maintenance may involve the in-service, out-of-service, or unscheduled maintenance.

In-service maintenance:

1. Visual verification of the analog values integrity such as voltage and current (in comparison to other devices on the cor-

responding system).

2. Visual verification of active alarms, relay display messages, and LED indications.

3. LED test.

4. Visual inspection for any damage, corrosion, dust, or loose wires.

5. Event recorder file download with further events analysis.

Out-of-service maintenance:

1. Check wiring connections for firmness.

2. Analog values (currents, voltages, RTDs, analog inputs) injection test and metering accuracy verification. Calibrated

test equipment is required.

3. Protection elements setting verification (analog values injection or visual verification of setting file entries against relay

settings schedule).

4. Contact inputs and outputs verification. This test can be conducted by direct change of state forcing or as part of the

system functional testing.

5. Visual inspection for any damage, corrosion, or dust.

6. Event recorder file download with further events analysis.

7. LED Test and pushbutton continuity check.

Unscheduled maintenance such as during a disturbance causing system interruption:

1. View the event recorder and oscillography or fault report for correct operation of inputs, outputs, and elements.

If it is concluded that the relay or one of its modules is of concern, contact GE Multilin for prompt service.

1

GE Multilin N60 Network Stability and Synchrophasor Measurement System 1-19

1

1.5 USING THE RELAY 1 GETTING STARTED

1-20 N60 Network Stability and Synchrophasor Measurement System GE Multilin

2 PRODUCT DESCRIPTION 2.1 INTRODUCTION

2 PRODUCT DESCRIPTION 2.1INTRODUCTION 2.1.1 OVERVIEW

The N60 Network Stability and Synchrophasor Measurement System is a flexible microprocessor-based device intended
for development of load shedding and special protection schemes.

Owing to its modular architecture, the N60 can be configured to monitor from one through five three-phase power circuits.
The relay provides for variety of metering functions, including: active, reactive and apparent power on a per-phase and
three-phase basis; true RMS value, phasors and symmetrical components of currents and voltages; and power factor and
frequency. The latter could be measured independently and simultaneously from up to six different signals.

The N60 allows interfacing other analog signals via optional transducer modules to monitor equipment temperature, trans­former tap positions, weather data, and other information.

In addition to a standard collection of communications protocols that can be exercised simultaneously and independently
over a range of communication ports, including the redundant Ethernet port, the relay supports an independent mechanism
for direct, fast and secure digital inter-IED communications. This allows both reducing wiring and development time for all
the local connections in a substation, as well as building wide-area protection and control schemes.

Up to 64 on/off signals can be exchanged between any two N60 devices via digital communications. The relays could be
configured in rings with up to 16 devices each using direct fiber (C37.94), G.704 and RS422 interfaces. An optional redun­dant (dual-channel) communication card supports combinations of the three interfaces allowing different physical connec­tions in each channel. Dual-ring communication architecture could be selected for redundancy. Open ring or crossover
configurations could be utilized to increase the number of devices in the scheme.

The effective message delivery time depends of number of other N60 devices located between the sending and receiving
IEDs. A two-cycle or one-cycle worst-case message delivery times could be comfortably achieved for comparatively large
N60 schemes.

Sophisticated self-monitoring and diagnostic functions are incorporated such as the 32-bit CRC, unreturned messages
count or lost packets counts. The N60 supports both multiplexed and direct fiber (up to 100 km) inter-substation connec­tions.

The N60 allows sending and receiving any analog value measured by the relay using the dedicated inter-IED communica­tion mechanisms. Power, voltage and current magnitudes, frequency, transducer inputs and other values can be freely con­figured for the inter-IED exchanges. The analog values are transmitted with the eight-bit resolution. Upon reception, any
remote analog value could be re-sent, compared with another value or a constant threshold, added to or subtracted from
other local or remote analog value, subjected to the rate-of-change monitoring, etc. This powerful feature allows advanced
applications such as balancing power over wide areas, or adding extra security by comparing local and remote measure­ments for consistency. It also facilitates simple telemetry.

Diagnostic features include an event recorder capable of storing 1024 time-tagged events, oscillography capable of storing
up to 64 records with programmable trigger, content and sampling rate, and data logger acquisition of up to 16 channels,
with programmable content and sampling rate. The internal clock used for time-tagging can be synchronized with an IRIG­B signal or via the SNTP protocol over the Ethernet port. This precise time stamping allows the sequence of events to be
determined throughout the system. Events can also be programmed (via FlexLogic™ equations) to trigger oscillography
data capture which may be set to record the measured parameters before and after the event for viewing on a personal
computer (PC). These tools significantly reduce troubleshooting time and simplify report generation in the event of a sys­tem fault.

A faceplate RS232 port may be used to connect to a PC for the programming of settings and the monitoring of actual val­ues. A variety of communications modules are available. Two rear RS485 ports allow independent access by operating and
engineering staff. All serial ports use the Modbus
with baud rates up to 115.2 kbps. The RS232 port has a fixed baud rate of 19.2 kbps. Optional communications modules
include a 10BaseF Ethernet interface which can be used to provide fast, reliable communications in noisy environments.
Another option provides two 10BaseF fiber optic ports for redundancy. The Ethernet port supports MMS/UCA2, Modbus
TCP, and TFTP protocols, and allows access to the relay via any standard web browser (UR web pages). The IEC 60870­5-104 protocol is supported on the Ethernet port. DNP 3.0 and IEC 60870-5-104 cannot be enabled at the same time.

The N60 IEDs use flash memory technology which allows field upgrading as new features are added. The following Single
Line Diagram illustrates the relay functionality using ANSI (American National Standards Institute) device numbers.

®

RTU protocol. The RS485 ports may be connected to system computers

2

®

/

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-1

2.1 INTRODUCTION 2 PRODUCT DESCRIPTION

847700A2.CDR

52

Same Functions as Breaker 1

For Breaker 1

50P 32

12

2

4

22

64

81U

81O 81R

59P27P

25

METERING

2 3 4 5

CLOSE

TRIP

FlexElement

TM

Transducer

Inputs

Digitizer

N60 Network Stability and Security Relay

Table 2–1: ANSI DEVICE NUMBERS AND FUNCTIONS

DEVICE FUNCTION DEVICE FUNCTION

25 Synchrocheck 59P Phase overvoltage

27P Phase undervoltage 68 Power swing blocking

32 Sensitive directional power 81O Overfrequency

50DD Disturbance detector 81U Underfrequency

2

50P Phase instantaneous overcurrent

Table 2–2: OTHER DEVICE FUNCTIONS

FUNCTION FUNCTION FUNCTION

Breaker control FlexElements™ (16) Setting groups (6)

Contact inputs (up to 96) FlexLogic™ equations Synchrophasors

Contact outputs (up to 64) Generic comparator Teleprotection inputs and outputs

Control pushbuttons

Data logger Transducer inputs and outputs

Digital counters (8) IEC 61850 communications Trip output

Digital elements (16) IEC 61850 remote inputs and outputs

Digitizer User-programmable LEDs

Direct analog inputs and outputs (32) Modbus communications User-programmable pushbuttons

Direct inputs and outputs (64) Modbus user map User-programmable self-tests

Disconnect switches Non-volatile latches Virtual inputs (64)

DNP 3.0 or IEC 60870-5-104 protocol Non-volatile selector switch Virtual outputs (96)

Eight-bit switch Open pole detect VT fuse failure

Event recorder Oscillography

Metering: current, demand, energy,

(GSSE/GOOSE)

frequency, power, power
factor, voltage

Time synchronization over SNTP

User-definable displays

Figure 2–1: SINGLE LINE DIAGRAM

2-2 N60 Network Stability and Synchrophasor Measurement System GE Multilin

2 PRODUCT DESCRIPTION 2.1 INTRODUCTION

NOTE

2.1.2 ORDERING

a) OVERVIEW

The N60 is available as a 19-inch rack horizontal mount or reduced-size (¾) vertical unit and consists of the following mod­ules: power supply, CPU, CT/VT, digital input and output, transducer input and output, and inter-relay communications.
Each of these modules can be supplied in a number of configurations specified at the time of ordering. The information
required to completely specify the relay is provided in the following tables (see chapter 3 for full details of relay modules).

Order codes are subject to change without notice. Refer to the GE Multilin ordering page at

http://www.gedigitalenergy.com/multilin/order.htm for the latest details concerning N60 ordering options.

The order code structure is dependent on the mounting option (horizontal or vertical) and the type of CT/VT modules (regu­lar CT/VT modules or the HardFiber modules). The order code options are described in the following sub-sections.

b) ORDER CODES WITH TRADITIONAL CTS AND VTS

The order codes for units with traditional CTs and VTs are shown below.

2

Table 2–3: N60 ORDER CODES

BASE UNIT N60 | | | | | | | | | | | Base Unit
CPU E | | | | | | | | | | RS485 and RS485

SOFTWARE
(IEC 61850 options
not available with
type E CPUs)

MOUNT/COATING H | | | | | | | | Horizontal (19” rack)

FACEPLATE/ DISPLAY C | | | | | | | English display

POWER SUPPLY H | | | | | | 125 / 250 V AC/DC power supply

CT/VT MODULES 8F | 8F | 8F | Standard 4CT/4VT

DIGITAL
INPUTS/OUTPUTS

TRANSDUCER INPUTS/OUTPUTS
(maximum of 3 per unit)
INTER-RELAY
COMMUNICATIONS
(select a maximum of 1 per unit)

N60 - * ** - * * * - F ** - H ** - M ** - P ** - U ** - W/X ** Full Size Horizontal Mount

G | | | | | | | | | | R S485 and multi-mode ST 10Base-F
H | | | | | | | | | | RS485 and multi-mode ST redundant 10Base-F
J | | | | | | | | | | RS485 and multi-mode ST 100Base-FX
S | | | | | | | | | | RS485 and six-port managed Ethernet switch

00 | | | | | | | | | No software options
03 | | | | | | | | | IEC 61850
06 | | | | | | | | | Phasor measurement unit (PMU)
07 | | | | | | | | | IEC 61850 and phasor measurement unit (PMU)
14 | | | | | | | | | Two phasor measurement units (PMUs); requires at least one CT/ VT module
15 | | | | | | | | | IEC 61850 and two phasor measurement units (PMUs); requires at least one CT/VT module
16 | | | | | | | | | Four phasor measurement units (P MUs); requires at least two CT/VT modules
17 | | | | | | | | | IEC 61850 and four phasor measurement units (PMUs); requires at least two CT/VT modules

A | | | | | | | | Horizontal (19” rack) with harsh environmental coating

D | | | | | | | French display
A | | | | | | | Chinese display
P | | | | | | | English display with 4 small and 12 large programmable pushbuttons
G | | | | | | | French display with 4 small and 12 large programmable pushbuttons
B | | | | | | | Chinese display with 4 small and 12 large programmable pushbuttons
K | | | | | | | Enhanced front panel with English display
M | | | | | | | Enhanced front panel with French display
Q | | | | | | | Enhanced front panel with Russian display
U | | | | | | | Enhanced front panel with Chinese display
L | | | | | | | Enhanced front panel with English display and user-programmable pushbuttons
N | | | | | | | Enhanced front panel with French display and user-programmable pushbuttons
T | | | | | | | Enhanced front panel with Russian display and user-programmable pushbuttons
V | | | | | | | Enhanced front panel with Chinese display and user-programmable pushbuttons

L | | | | | | 24 to 48 V (DC only) power supply

8H | 8H | 8H | Standard 8CT
8L | 8L | 8L | Standard 4CT/4VT with enhanced diagnostics ( required for PMU options)
8N | 8N | 8N | Standard 8CT with enhanced diagnostics (required for PMU options)

| | XX XX XX XX No Module
4L 4L 4L 4L 4L 4L 14 Form-A (no monitoring) Latchable outputs
67 67 67 67 67 67 8 Form-A (no monitoring) outputs
6C 6C 6C 6C 6C 6C 8 Form-C outputs
6D 6D 6D 6D 6D 6D 16 digital inputs
6E 6E 6E 6E 6E 6E 4 Form-C outputs, 8 digital inputs
6F 6F 6F 6F 6F 6F 8 Fast Form-C outputs
6P 6P 6P 6P 6P 6P 6 Form-A (current with optional voltage) outputs, 4 digital inputs
6R 6R 6R 6R 6R 6R 2 Form-A ( no monitoring) and 2 Form-C outputs, 8 digital inputs
6S 6S 6S 6S 6S 6S 2 Form-A (no monitoring) and 4 Form-C outputs, 4 digital inputs
6T 6T 6T 6T 6T 6T 4 Form-A (no monitoring) outputs, 8 digital inputs
6U 6U 6U 6U 6U 6U 6 Form-A ( no monitoring) outputs, 4 digital inputs
6V 6V 6V 6V 6V 6V 2 Form-A outputs, 1 Form-C output, 2 Form-A (no monitoring) latching outputs, 8 digital inputs
5A 5A 5A 5A 5A 5A 4 dcmA inputs, 4 dcmA outputs (only one 5A module is allowed)
5C 5C 5C 5C 5C 5C 8 RTD inputs

2G 2G IEEE C37.94, 820 nm, 128 kbps, multimode, LED, 1 Channel
2H 2H IEEE C37.94, 820 nm, 128 kbps, multimode, LED, 2 Channels

| 2S Six-port managed Ethe rnet switch with high voltage power supply (110 to 250 V DC / 100 to 240 V AC)

| 2T Six-port managed Ethernet switch with low voltage power supply (48 V DC)
73 73 1550 nm, single-mode, LASER, 2 Channel
77 77 IEEE C37.94, 820 nm, 64 kbps, multimode, LED, 2 Channels
7H 7H 820 nm, multi-mode, LED, 2 C hannels

7I 7I 1300 nm, multi-mode, LED, 2 Channels
7M 7M Channel 1 - RS422; Channel 2 - 1300 nm, multi-mode, LED
7S 7S G.703, 2 Channels
7V 7V RS422, 2 Channels, 2 Clock Inputs
7W 7W RS422, 2 Channels

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-3

2.1 INTRODUCTION 2 PRODUCT DESCRIPTION

NOTE

NOTE

c) ORDER CODES WITH PROCESS BUS MODULES

The order codes for units with the process bus module are shown below.

Table 2–4: N60 ORDER CODES (WITH PROCESS BUS)

BASE UNIT N60 | | | | | | | | | | | Base Unit
CPU E | | | | | | | | | | RS485 and RS485

SOFTWARE
(IEC 61850 options

2

not available with
type E CPUs)

MOUNT/COATING H | | | | | | | | Horizontal (19” rack)

FACEPLATE/ DISPLAY C | | | | | | | English display

POWER SUPPLY H | | | | | | 125 / 250 V AC/DC power supply

PROCESS BUS MODULE | 81 | | | | Eight-port digital process bus module
DIGITAL
INPUTS/OUTPUTS

INTER-RELAY
COMMUNICATIONS
(select a maximum of 1 per unit)

N60 - * ** - * * * - F ** - H ** - M ** - P ** - U ** - W/X ** Full Size Horizontal Mount

G | | | | | | | | | | R S485 and multi-mode ST 10Base-F
H | | | | | | | | | | RS485 and multi-mode ST redundant 10Base-F
J | | | | | | | | | | RS485 and multi-mode ST 100Base-FX

00 | | | | | | | | | No software options
03 | | | | | | | | | IEC 61850
06 | | | | | | | | | Phasor measurement unit (PMU)
07 | | | | | | | | | IEC 61850 and phasor measurement unit (PMU)
14 | | | | | | | | | Two phasor measurement units (PMUs); requires at least one CT/VT module
15 | | | | | | | | | IEC 61850 and two phasor measurement units (PMUs); requires at least one CT/VT module
16 | | | | | | | | | Four phasor measurement units (P MUs); requires at least two CT/VT modules
17 | | | | | | | | | IEC 61850 and four phasor measurement units (PMUs); requires at least two CT/VT modules

A | | | | | | | | Horizontal (19” rack) with harsh environmental coating

D | | | | | | | French display
A | | | | | | | Chinese display
P | | | | | | | English display with 4 small and 12 large programmable pushbuttons
G | | | | | | | French display with 4 small and 12 large programmable pushbuttons
B | | | | | | | Chinese display with 4 small and 12 large programmable pushbuttons
K | | | | | | | Enhanced front panel with English display
M | | | | | | | Enhanced front panel with French display
Q | | | | | | | Enhanced front panel with Russian display
U | | | | | | | Enhanced front panel with Chinese display
L | | | | | | | Enhanced front panel with English display and user-programmable pushbuttons
N | | | | | | | Enhanced front panel with French display and user-programmable pushbuttons
T | | | | | | | Enhanced front panel with Russian display and user-programmable pushbuttons
V | | | | | | | Enhanced front panel with Chinese display and user-programmable pushbuttons

L | | | | | | 24 to 48 V (DC only) power supply

XX XX XX XX XX No Module

4L 4L | 14 Form-A (no monitoring) Latchable outputs
67 67 | 8 Form-A (no monitoring) outputs
6C 6C | 8 Form-C outputs
6D 6D | 16 digital inputs
6E 6E | 4 Form-C outputs, 8 digital inputs
6F 6F | 8 Fast Form-C outputs
6P 6P | 6 Form-A (current with optional voltage) outputs, 4 digital inputs
6R 6R | 2 Form-A (no monitoring) and 2 Form-C outputs, 8 digital inputs
6S 6S | 2 Form-A (no monitoring) and 4 Form-C outputs, 4 digital inputs
6T 6T | 4 Form-A (no monitoring) outputs, 8 digital inputs
6U 6U | 6 Form-A (no monitoring) outputs, 4 digital inputs
6V 6V | 2 Form-A outputs, 1 Form-C output, 2 Form-A (no monitoring) latching outputs, 8 digital inputs

2G 2G IEEE C37.94, 820 nm, 128 kbps, multimode, LED, 1 Channel
2H 2H IEEE C37.94, 820 nm, 128 kbps, multimode, LED, 2 Channels
73 73 1550 nm, single-mode, LASER, 2 Channel
77 77 IEEE C37.94, 820 nm, 64 kbps, multimode, LED, 2 Channels
7H 7H 820 nm, multi-mode, LED, 2 C hannels

7I 7I 1300 nm, multi-mode, LED, 2 Channels
7M 7M Channel 1 - RS422; Channel 2 - 1300 nm, multi-mode, LED
7S 7S G.703, 2 Channels
7V 7V RS422, 2 Channels, 2 Clock Inputs
7W 7W RS422, 2 Channels

2.1.3 REPLACEMENT MODULES

Replacement modules can be ordered separately as shown below. When ordering a replacement CPU module or face­plate, please provide the serial number of your existing unit.

Not all replacement modules may be applicable to the N60 relay. Only the modules specified in the order codes are
available as replacement modules.

Replacement module codes are subject to change without notice. Refer to the GE Multilin ordering page at http://

http://www.gedigitalenergy.com/multilin/order.htm for the latest details concerning N60 ordering options.

2-4 N60 Network Stability and Synchrophasor Measurement System GE Multilin

2 PRODUCT DESCRIPTION 2.1 INTRODUCTION

The replacement module order codes for the horizontal mount units are shown below.

Table 2–5: ORDER CODES FOR REPLACEMENT MODULES, HORIZONTAL UNITS

POWER SUPPLY
(redundant supply only available in horizontal units;
must be same type as main supply)

CPU | 9E | RS485 and RS485 (Modbus RTU, DNP 3.0)

FACEPLATE/DISPLAY | 3C | Horizontal faceplate with keypad and English display

DIGITAL INPUTS AND OUTPUTS | 4A | 4 Solid-State (no monitoring) MOSFET outputs

CT/VT
MODULES
(NOT AVAILABLE FOR THE C30)

INTER-RELAY COMMUNICATIONS | 2A | C37.94SM, 1300nm single-mode, ELED, 1 channel single-mode

TRANSDUCER
INPUTS/OUTPUTS

UR - ** - *

| 1H | 125 / 250 V AC/DC
| 1L | 24 to 48 V (DC only)
| RH | redundant 125 / 250 V AC/DC
| RH | redundant 24 to 48 V (DC only)

| 9G | RS485 and 10Base-F (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9H | RS485 and Redundant 10Base-F (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9J | RS485 and multi-mode ST 100Base-FX (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9K | RS485 and multi-mode ST redundant 100Base-FX (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9L | RS485 and single mode SC 100Base-FX (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9M | RS485 and single mode SC redundant 100Base-FX (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9N | RS485 and 10/100Base-T (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9P | RS485 and single mode ST 100Base-FX (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9R | RS485 and single mode ST redundant 100Base-FX (Ethernet, Modbus TCP/IP, DNP 3.0)
| 9S | RS485 and six-port managed Ethernet switch

| 3D | Horizontal faceplate with keypad and French display
| 3R | Horizontal faceplate with keypad and Russian display
| 3A | Horizontal faceplate with keypad and Chinese display
| 3P | Horizontal faceplate with keypad, user-programmable pushbuttons, and English display
| 3G | Horizontal faceplate with keypad, user-programmable pushbuttons, and French display
| 3S | Horizontal faceplate with keypad, user-programmable pushbuttons, and Russian display
| 3B | Horizontal faceplate with keypad, user-programmable pushbuttons, and Chinese display
| 3K | Enhanced front panel with English display
| 3M | Enhanced front panel with French display
| 3Q | Enhanced front panel with Russian display
| 3U | Enhanced front panel with Chinese display
| 3L | Enhanced front panel with English display and user-programmable pushbuttons
| 3N | Enhanced front panel with French display and user-programmable pushbuttons
| 3T | Enhanced front panel with Russian display and user-programmable pushbuttons
| 3V | Enhanced front panel with Chinese display and user-programmable pushbuttons

| 4B | 4 Solid-State (voltage with optional current) MOSFET outputs
| 4C | 4 Solid-State (current with optional voltage) MOSFET outputs
| 4D | 16 digital inputs with Auto-Burnishing
| 4L | 14 Form-A (no monitoring) Latching outputs
| 67 | 8 Form-A (no monitoring) outputs
| 6A | 2 Form-A (voltage with optional current) and 2 Form-C outputs, 8 digital inputs
| 6B | 2 Form-A (voltage with optional current) and 4 Form-C outputs, 4 digital inputs
| 6C | 8 Form-C outputs
| 6D | 16 digital inputs
| 6E | 4 Form-C outputs, 8 digital inputs
| 6F | 8 Fast Form-C outputs
| 6G | 4 Form-A (voltage with optional current) outputs, 8 digital inputs
| 6H | 6 Form-A (voltage with optional current) outputs, 4 digital inputs
| 6K | 4 Form-C and 4 Fast Form-C outputs
| 6L | 2 Form-A (current with optional voltage) and 2 Form-C outputs, 8 digital inputs
| 6M | 2 Form-A (current with optional voltage) and 4 Form-C outputs, 4 digital inputs
| 6N | 4 Form-A (current with optional voltage) outputs, 8 digital inputs
| 6P | 6 Form-A (current with optional voltage) outputs, 4 digital inputs
| 6R | 2 Form-A (no monitoring) and 2 Form-C outputs, 8 digital inputs
| 6S | 2 Form-A (no monitoring) and 4 Form-C outputs, 4 digital inputs
| 6T | 4 Form-A (no monitoring) outputs, 8 digital inputs
| 6U | 6 Form-A (no monitoring) outputs, 4 digital inputs
| 6V | 2 Form-A outputs, 1 Form-C output, 2 Form-A (no monitoring) latching outputs, 8 digital inputs
| 8F | Standard 4CT/4VT
| 8G | Sensitive Ground 4CT/4VT
| 8H | Standard 8CT
| 8J | Sensitive Ground 8CT
| 8L | Standard 4CT/4VT with enhanced diagnostics
| 8M | Sensitive Ground 4CT/4VT with enhanced diagnostics
| 8N | Standard 8CT with enhanced diagnostics
| 8R | Sensitive Ground 8CT with enhanced diagnostics

| 2B | C37.94SM, 1300nm single-mode, ELED, 2 channel single-mode
| 2E | Bi-phase, single channel
| 2F | Bi-phase, dual channel
| 2G | IEEE C37.94, 820 nm, 128 kbps, multimode, LED, 1 Channel
| 2H | IEEE C37.94, 820 nm, 128 kbps, multimode, LED, 2 Channels
| 2S | Six-port managed Ethernet switch with high voltage power supply (110 to 250 V DC / 100 to 240 V AC)
| 2T | Six-port managed Ethernet switch with low voltage power supply (48 V DC)
| 72 | 1550 nm, single-mode, LASER, 1 Channel
| 73 | 1550 nm, single-mode, LASER, 2 Channel
| 74 | Channel 1 - RS422; Channel 2 - 1550 nm, single-mode, LASER
| 75 | Channel 1 - G.703; Channel 2 - 1550 nm, Single-mode LASER
| 76 | IEEE C37.94, 820 nm, multimode, LED, 1 Channel
| 77 | IEEE C37.94, 820 nm, multimode, LED, 2 Channels
| 7A | 820 nm, multi-mode, LED, 1 Channel
| 7B | 1300 nm, multi-mode, LED, 1 Channel
| 7C | 1300 nm, single-mode, ELED, 1 Channel
| 7D | 1300 nm, single-mode, LASER, 1 Channel
| 7E | Channel 1 - G.703; Channel 2 - 820 nm, multi-mode
| 7F | Channel 1 - G.703; Channel 2 - 1300 nm, multi-mode
| 7G | Channel 1 - G.703; Channel 2 - 1300 nm, single-mode ELED
| 7H | 820 nm, multi-mode, LED, 2 Channels
| 7I | 1300 nm, multi-mode, LED, 2 Channels
| 7J | 1300 nm, single-mode, ELED, 2 Channels
| 7K | 1300 nm, single-mode, LASER, 2 Channels
| 7L | Channel 1 - RS422; Channel 2 - 820 nm, multi-mode, LED
| 7M | Channel 1 - RS422; Channel 2 - 1300 nm, multi-mode, LED
| 7N | Channel 1 - RS422; Channel 2 - 1300 nm, single-mode, ELED
| 7P | Channel 1 - RS422; Channel 2 - 1300 nm, single-mode, LASER
| 7Q | Channel 1 - G.703; Channel 2 - 1300 nm, single-mode LASER
| 7R | G. 703, 1 Channel
| 7S | G.703, 2 Channels
| 7T | RS422, 1 Channel
| 7W | RS422, 2 Channels
| 5A | 4 dcmA inputs, 4 dcmA outputs (only one 5A module is allowed)
| 5C | 8 RTD inputs
| 5D | 4 RTD inputs, 4 dcmA outputs (only one 5D module is allowed)
| 5E | 4 dcmA inputs, 4 RTD inputs
| 5F | 8 dcmA inputs

2

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-5

2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION

NOTE

2.2SPECIFICATIONSSPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

The operating times below include the activation time of a trip rated form-A output contact unless otherwise indi­cated. FlexLogic™ operands of a given element are 4 ms faster. This should be taken into account when using
FlexLogic™ to interconnect with other protection or control elements of the relay, building FlexLogic™ equations, or

2

PHASE IOC

Pickup level: 0.000 to 30.000 pu in steps of 0.001

Dropout level: 97 to 98% of pickup

Level accuracy:

Overreach: <2%

Pickup delay: 0.00 to 600.00 s in steps of 0.01

Reset delay: 0.00 to 600.00 s in steps of 0.01
Operate time: <16 ms at 3 × pickup at 60 Hz

Timing accuracy: Operate at 1.5 × pickup

SENSITIVE DIRECTIONAL POWER

Measured power: 3-phase, true RMS

Number of stages: 2

Characteristic angle: 0 to 359° in steps of 1

Calibration angle: 0.00 to 0.95° in steps of 0.05

Minimum power: –1.200 to 1.200 pu in steps of 0.001

Pickup level accuracy: ±1% or ±0.001 pu, whichever is greater

Hysteresis: 2% or 0.001 pu, whichever is greater

Pickup delay: 0 to 600.00 s in steps of 0.01

Time accuracy: ±3% or ±4 ms, whichever is greater

Operate time: 50 ms

PHASE UNDERVOLTAGE

Pickup level: 0.000 to 3.000 pu in steps of 0.001

Dropout level: 102 to 103% of pickup

Level accuracy: ±0.5% of reading from 10 to 208 V

Curve shapes: GE IAV Inverse;

Curve multiplier: Time dial = 0.00 to 600.00 in steps of

Timing accuracy: Operate at < 0.90 × pickup

interfacing with other IEDs or power system devices via communications or different output contacts.

UNDERFREQUENCY

Minimum signal: 0.10 to 1.25 pu in steps of 0.01

Pickup level: 20.00 to 65.00 Hz in steps of 0.01

Dropout level: pickup + 0.03 Hz

0.1 to 2.0 × CT rating: ±0.5% of reading or ±0.4% of rated

(whichever is greater)

> 2.0 × CT rating ±1.5% of reading

(Phase/Ground IOC)
<20 ms at 3 × pickup at 60 Hz
(Neutral IOC)

±3% or ±4 ms (whichever is greater)

Level accuracy: ±0.001 Hz

Time delay: 0 to 65.535 s in steps of 0.001

Timer accuracy: ±3% or 4 ms, whichever is greater

Operate time: typically 4 cycles at 0.1 Hz/s change

Typical times are average operate times including variables such
as frequency change instance, test method, etc., and may vary by
±0.5 cycles.

OVERFREQUENCY

Pickup level: 20.00 to 65.00 Hz in steps of 0.01

Dropout level: pickup – 0.03 Hz

Level accuracy: ±0.001 Hz

Time delay: 0 to 65.535 s in steps of 0.001

Timer accuracy: ±3% or 4 ms, whichever is greater

Operate time: typically 4 cycles at 0.1 Hz/s change

Typical times are average operate times including variables such
as frequency change instance, test method, etc., and may vary by
±0.5 cycles.

RATE OF CHANGE OF FREQUENCY

df/dt trend: increasing, decreasing, bi-directional

df/dt pickup level: 0.10 to 15.00 Hz/s in steps of 0.01

df/dt dropout level: 96% of pickup

df/dt level accuracy: 80 mHz/s or 3.5%, whichever is greater

Overvoltage supv.: 0.100 to 3.000 pu in steps of 0.001

Overcurrent supv.: 0.000 to 30.000 pu in steps of 0.001

Definite Time (0.1s base curve)

0.01

±3.5% of operate time or ±4 ms (which­ever is greater)

Pickup delay: 0 to 65.535 s in steps of 0.001

Reset delay: 0 to 65.535 s in steps of 0.001

Time accuracy: ±3% or ±4 ms, whichever is greater

95% settling time for df/dt: < 24 cycles
Operate time: typically 6.5 cycles at 2 × pickup

PHASE OVERVOLTAGE

Voltage: Phasor only

Pickup level: 0.000 to 3.000 pu in steps of 0.001

Dropout level: 97 to 98% of pickup

Level accuracy: ±0.5% of reading from 10 to 208 V

Pickup delay: 0.00 to 600.00 in steps of 0.01 s
Operate time: < 30 ms at 1.10 × pickup at 60 Hz

Timing accuracy: ±3% or ±4 ms (whichever is greater)

SYNCHROCHECK

Max voltage difference: 0 to 400000 V in steps of 1

Max angle difference: 0 to 100

Max freq. difference: 0.00 to 2.00 Hz in steps of 0.01

Hysteresis for max. freq. diff.: 0.00 to 0.10 Hz in steps of 0.01

Dead source function: None, LV1 & DV2, DV1 & LV2, DV1 or

2.2.1 PROTECTION ELEMENTS

typically 3.5 cycles at 0.3 Hz/s change
typically 3 cycles at 0.5 Hz/s change

typically 3.5 cycles at 0.3 Hz/s change
typically 3 cycles at 0.5 Hz/s change

typically 5.5 cycles at 3 × pickup
typically 4.5 cycles at 5 × pickup

° in steps of 1

DV2, DV1 xor DV2, DV1 & DV2
(L = Live, D = Dead)

2-6 N60 Network Stability and Synchrophasor Measurement System GE Multilin

2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS

POWER SWING DETECT

Functions: Power swing block, Out-of-step trip

Characteristic: Mho or Quad

Measured impedance: Positive-sequence

Blocking / tripping modes: 2-step or 3-step

Tripping mode: Early or Delayed

Current supervision:

Pickup level: 0.050 to 30.000 pu in steps of 0.001

Dropout level: 97 to 98% of pickup

Fwd / reverse reach (sec. Ω): 0.10 to 500.00 Ω in steps of 0.01
Left and right blinders (sec. Ω): 0.10 to 500.00 Ω in steps of 0.01

Impedance accuracy: ±5%

Fwd / reverse angle impedances: 40 to 90° in steps of 1

Angle accuracy: ±2°

Characteristic limit angles: 40 to 140° in steps of 1

Timers: 0.000 to 65.535 s in steps of 0.001

Timing accuracy: ±3% or 4 ms, whichever is greater

FLEXLOGIC™

Programming language: Reverse Polish Notation with graphical

visualization (keypad programmable)

Lines of code: 512

Internal variables: 64

Supported operations: NOT, XOR, OR (2 to 16 inputs), AND (2

to 16 inputs), NOR (2 to 16 inputs),
NAND (2 to 16 inputs), latch (reset-domi­nant), edge detectors, timers

Inputs: any logical variable, contact, or virtual

input

Number of timers: 32

Pickup delay: 0 to 60000 (ms, sec., min.) in steps of 1

Dropout delay: 0 to 60000 (ms, sec., min.) in steps of 1

FLEXCURVES™

Number: 4 (A through D)

Reset points: 40 (0 through 1 of pickup)

Operate points: 80 (1 through 20 of pickup)

Time delay: 0 to 65535 ms in steps of 1

FLEX STATES

Number: up to 256 logical variables grouped

under 16 Modbus addresses

Programmability: any logical variable, contact, or virtual

input

FLEXELEMENTS™

Number of elements: 16

Operating signal: any analog actual value, or two values in

differential mode

Operating signal mode: signed or absolute value

Operating mode: level, delta

Comparator direction: over, under

Pickup Level: –90.000 to 90.000 pu in steps of 0.001

Hysteresis: 0.1 to 50.0% in steps of 0.1

Delta dt: 20 ms to 60 days

Pickup & dropout delay: 0.000 to 65.535 s in steps of 0.001

OPEN POLE DETECTOR

Functionality: Detects an open pole condition, monitor-

ing breaker auxiliary contacts, the cur­rent in each phase and optional voltages
on the line

Current pickup level: 0.000 to 30.000 pu in steps of 0.001

Line capacitive reactances (X

Remote current pickup level: 0.000 to 30.000 pu in steps of 0.001

Current dropout level: pickup + 3%, not less than 0.05 pu

, XC0): 300.0 to 9999.9 sec. Ω in

C1

steps of 0.1

TRIP BUS (TRIP WITHOUT FLEXLOGIC™)

Number of elements: 6

Number of inputs: 16

Operate time: <2 ms at 60 Hz

Time accuracy: ±3% or 10 ms, whichever is greater

2.2.2 USER-PROGRAMMABLE ELEMENTS

NON-VOLATILE LATCHES

Type: set-dominant or reset-dominant

Number: 16 (individually programmed)

Output: stored in non-volatile memory

Execution sequence: as input prior to protection, control, and

FlexLogic™

USER-PROGRAMMABLE LEDs

Number: 48 plus trip and alarm

Programmability: from any logical variable, contact, or vir-

tual input

Reset mode: self-reset or latched

LED TEST

Initiation: from any digital input or user-program-

mable condition

Number of tests: 3, interruptible at any time

Duration of full test: approximately 3 minutes

Test sequence 1: all LEDs on

Test sequence 2: all LEDs off, one LED at a time on for 1 s

Test sequence 3: all LEDs on, one LED at a time off for 1 s

USER-DEFINABLE DISPLAYS

Number of displays: 16
Lines of display: 2 × 20 alphanumeric characters

Parameters: up to 5, any Modbus register addresses

Invoking and scrolling: keypad, or any user-programmable con-

dition, including pushbuttons

CONTROL PUSHBUTTONS

Number of pushbuttons: 7

Operation: drive FlexLogic™ operands

2

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-7

2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION

USER-PROGRAMMABLE PUSHBUTTONS (OPTIONAL)

Number of pushbuttons: 12 (standard faceplate);

16 (enhanced faceplate)

Mode: self-reset, latched

Display message: 2 lines of 20 characters each

Drop-out timer: 0.00 to 60.00 s in steps of 0.05

Autoreset timer: 0.2 to 600.0 s in steps of 0.1

Hold timer: 0.0 to 10.0 s in steps of 0.1

2

SELECTOR SWITCH

Number of elements: 2

Upper position limit: 1 to 7 in steps of 1

Selecting mode: time-out or acknowledge

Time-out timer: 3.0 to 60.0 s in steps of 0.1

Control inputs: step-up and 3-bit

Power-up mode: restore from non-volatile memory or syn-

chronize to a 3-bit control input or synch/
restore mode

DIGITIZER

Input signal: any FlexAnalog parameter

Independent elements: 1 per CT bank, to a maximum of 5

Independent elements: 5

Response time: < 8 ms at 60 Hz, < 10 ms at 50 Hz

Upper / lower limit for input signal: 0.050 to 90 pu in steps of 0.001

Resolution: 8 bits / full-scale

Maximum error: ±0.6% of full-scale

Rounding method: nearest with a one-count dead-band

8-BIT COMPARATOR

Number of elements: 6

Operating signal: up to two 8-bit integers via FlexLogic™

operands

Operating mode: add or subtract, controlled from any

FlexLogic™ operand

Operating signal mode: signed, absolute value

Comparator direction: over, under

Pickup level: –25400 to 25400 in steps of 1

Hysteresis: 0 to 5000 in steps of 1

Pickup/Dropout delay: 0 to 65.535 s in steps of 0.01

Scaling factor for display: 0.01 to 100.00 in steps of 0.01

8-BIT SWITCH

Number of elements: 6

Input signals: two 8-bit integers via FlexLogic™ oper-

ands

Control signal: any FlexLogic™ operand

Response time: < 8 ms at 60 Hz, < 10 ms at 50 Hz

DIGITAL ELEMENTS

Number of elements: 48

Operating signal: any FlexLogic™ operand

Pickup delay: 0.000 to 999999.999 s in steps of 0.001

Dropout delay: 0.000 to 999999.999 s in steps of 0.001

Timing accuracy: ±3% or ±4 ms, whichever is greater

OSCILLOGRAPHY

Maximum records: 64

Sampling rate: 64 samples per power cycle

Triggers: any element pickup, dropout, or operate;

digital input change of state; digital out­put change of state; FlexLogic™ equa­tion

Data: AC input channels; element state; digital

input state; digital output state

Data storage: in non-volatile memory

EVENT RECORDER

Capacity: 1024 events

Time-tag: to 1 microsecond

Triggers: any element pickup, dropout, or operate;

digital input change of state; digital out­put change of state; self-test events

Data storage: in non-volatile memory

2.2.3 MONITORING

DATA LOGGER

Number of channels: 1 to 16

Parameters: any available analog actual value

Sampling rate: 15 to 3600000 ms in steps of 1

Trigger: any FlexLogic™ operand

Mode: continuous or triggered

Storage capacity: (NN is dependent on memory)

1-second rate:

01 channel for NN days

16 channels for NN days

↓

60-minute rate:

01 channel for NN days
16 channels for NN days

2-8 N60 Network Stability and Synchrophasor Measurement System GE Multilin

2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS

PHASOR MEASUREMENT UNIT

Output format: per IEEE C37.118 standard

Number of channels: 14 synchrophasors, 8 analogs, 16 digi-

tals

TVE (total vector error) <1%

Triggering: frequency, voltage, current, power, rate

of change of frequency, user-defined

Reporting rate: 1, 2, 5, 10, 12, 15, 20, 25, 30, 50, or 60

times per second

Number of clients: One over TCP/IP port, two over UDP/IP

ports

AC ranges: As indicated in appropriate specifications

sections

Network reporting format: 16-bit integer or 32-bit IEEE floating

point numbers

Network reporting style: rectangular (real and imaginary) or polar

(magnitude and angle) coordinates

Post-filtering: none, 3-point, 5-point, 7-point

Calibration: ±5°

2.2.4 METERING

2

RMS CURRENT: PHASE, NEUTRAL, AND GROUND

Accuracy at

0.1 to 2.0 × CT rating: ±0.25% of reading or ±0.1% of rated

(whichever is greater)

> 2.0 × CT rating: ±1.0% of reading

RMS VOLTAGE

Accuracy: ±0.5% of reading from 10 to 208 V

REAL POWER (WATTS)

Accuracy: ±1.0% of reading at

–0.8 < PF ≤ –1.0 and 0.8 < PF ≤ 1.0

REACTIVE POWER (VARS)

Accuracy: ±1.0% of reading at –0.2 ≤ PF ≤ 0.2

APPARENT POWER (VA)

Accuracy: ±1.0% of reading

WATT-HOURS (POSITIVE AND NEGATIVE)

Accuracy: ±2.0% of reading
Range: ±0 to 1 × 10

Parameters: three-phase only

Update rate: 50 ms

6

MWh

AC CURRENT

CT rated primary: 1 to 50000 A

CT rated secondary: 1 A or 5 A by connection

Nominal frequency: 20 to 65 Hz

Relay burden: < 0.2 VA at rated secondary

Conversion range:

Standard CT: 0.02 to 46 × CT rating RMS symmetrical
Sensitive Ground CT module:

0.002 to 4.6 × CT rating RMS symmetrical

Current withstand: 20 ms at 250 times rated

1 sec. at 100 times rated
continuous at 3 times rated

VAR-HOURS (POSITIVE AND NEGATIVE)

Accuracy: ±2.0% of reading
Range: ±0 to 1 × 10

Parameters: three-phase only

Update rate: 50 ms

6

Mvarh

FREQUENCY

Accuracy at

V = 0.8 to 1.2 pu: ±0.001 Hz (when voltage signal is used

I = 0.1 to 0.25 pu: ±0.05 Hz
I > 0.25 pu: ±0.001 Hz (when current signal is used

for frequency measurement)

for frequency measurement)

DEMAND

Measurements: Phases A, B, and C present and maxi-

Accuracy: ±2.0%

mum measured currents
3-Phase Power (P, Q, and S) present
and maximum measured currents

2.2.5 INPUTS

Short circuit rating: 150000 RMS symmetrical amperes, 250

V maximum (primary current to external
CT)

AC VOLTAGE

VT rated secondary: 50.0 to 240.0 V

VT ratio: 1.00 to 24000.00

Nominal frequency: 20 to 65 Hz

Relay burden: < 0.25 VA at 120 V

Conversion range: 1 to 275 V

Voltage withstand: continuous at 260 V to neutral

1 min./hr at 420 V to neutral

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-9

2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION

CONTACT INPUTS

Dry contacts: 1000 Ω maximum

Wet contacts: 300 V DC maximum

Selectable thresholds: 17 V, 33 V, 84 V, 166 V

Tolerance: ±10%

Contacts per common return: 4

Recognition time: < 1 ms

Debounce time: 0.0 to 16.0 ms in steps of 0.5

2

Continuous current draw:3 mA (when energized)

CONTACT INPUTS WITH AUTO-BURNISHING

Dry contacts: 1000 Ω maximum

Wet contacts: 300 V DC maximum

Selectable thresholds: 17 V, 33 V, 84 V, 166 V

Tolerance: ±10%

Contacts per common return: 2

Recognition time: < 1 ms

Debounce time: 0.0 to 16.0 ms in steps of 0.5

Continuous current draw:3 mA (when energized)

Auto-burnish impulse current: 50 to 70 mA

Duration of auto-burnish impulse: 25 to 50 ms

DCMA INPUTS

Current input (mA DC): 0 to –1, 0 to +1, –1 to +1, 0 to 5, 0 to 10,

0 to 20, 4 to 20 (programmable)

Input impedance: 379 Ω ±10%

Conversion range: –1 to + 20 mA DC

Accuracy: ±0.2% of full scale

Type: Passive

RTD INPUTS

Types (3-wire): 100 Ω Platinum, 100 & 120 Ω Nickel, 10

Ω Copper

Sensing current: 5 mA

Range: –50 to +250°C

Accuracy: ±2°C

Isolation: 36 V pk-pk

IRIG-B INPUT

Amplitude modulation: 1 to 10 V pk-pk

DC shift: TTL
Input impedance: 22 kΩ

Isolation: 2 kV

REMOTE INPUTS (IEC 61850 GSSE/GOOSE)

Number of input points: 64, configured from 64 incoming bit pairs

Number of remote devices: 32

Default states on loss of comms.: On, Off, Latest/Off, Latest/On

Number of remote DPS inputs: 5

DIRECT INPUTS

Number of input points: 64

No. of remote devices: 16

Default states on loss of comms.: On, Off, Latest/Off, Latest/On

Ring configuration: Yes, No

Data rate: 64 or 128 kbps

CRC: 32-bit

CRC alarm:

Responding to: Rate of messages failing the CRC
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold: 1 to 1000 in steps of 1

Unreturned message alarm:

Responding to: Rate of unreturned messages in the ring

configuration
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold: 1 to 1000 in steps of 1

TELEPROTECTION

Number of input points: 16

No. of remote devices: 3

Default states on loss of comms.: On, Off, Latest/Off, Latest/On

Ring configuration: No

Data rate: 64 or 128 kbps

CRC: 32-bit

2.2.6 POWER SUPPLY

LOW RANGE

Nominal DC voltage: 24 to 48 V

Minimum DC voltage: 20 V

Maximum DC voltage: 60 V

Voltage loss hold-up: 20 ms duration at nominal

NOTE: Low range is DC only.

HIGH RANGE

Nominal DC voltage: 125 to 250 V

Minimum DC voltage: 88 V

Maximum DC voltage: 300 V

Nominal AC voltage: 100 to 240 V at 50/60 Hz

Minimum AC voltage: 88 V at 25 to 100 Hz

Maximum AC voltage: 265 V at 25 to 100 Hz

Voltage loss hold-up: 200 ms duration at nominal

ALL RANGES

Volt withstand: 2 × Highest Nominal Voltage for 10 ms

Power consumption: typical = 15 to 20 W/VA

maximum = 50 W/VA

contact factory for exact order code con-

sumption

INTERNAL FUSE

RATINGS

Low range power supply: 8 A / 250 V
High range power supply: 4 A / 250 V

INTERRUPTING CAPACITY

AC: 100 000 A RMS symmetrical
DC: 10 000 A

2-10 N60 Network Stability and Synchrophasor Measurement System GE Multilin

2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS

2.2.7 OUTPUTS

FORM-A RELAY

Make and carry for 0.2 s: 30 A as per ANSI C37.90

Carry continuous: 6 A

Break (DC inductive, L/R = 40 ms):

VOLTAGE CURRENT

24 V 1 A

48 V 0.5 A

125 V 0.3 A

250 V 0.2 A

Operate time: < 4 ms

Contact material: silver alloy

LATCHING RELAY

Make and carry for 0.2 s: 30 A as per ANSI C37.90

Carry continuous: 6 A

Break at L/R of 40 ms: 0.25 A DC max.

Operate time: < 4 ms

Contact material: silver alloy

Control: separate operate and reset inputs

Control mode: operate-dominant or reset-dominant

FORM-A VOLTAGE MONITOR

Applicable voltage: approx. 15 to 250 V DC

Trickle current: approx. 1 to 2.5 mA

FORM-A CURRENT MONITOR

Threshold current: approx. 80 to 100 mA

FORM-C AND CRITICAL FAILURE RELAY

Make and carry for 0.2 s: 30 A as per ANSI C37.90

Carry continuous: 8 A

Break (DC inductive, L/R = 40 ms):

VOLTAGE CURRENT

24 V 1 A

48 V 0.5 A

125 V 0.3 A

250 V 0.2 A

Operate time: < 8 ms

Contact material: silver alloy

FAST FORM-C RELAY

Make and carry: 0.1 A max. (resistive load)

Minimum load impedance:

INPUT

VOLTAGE

250 V DC 20 KΩ 50 KΩ
120 V DC 5 KΩ 2 KΩ

48 V DC 2 KΩ 2 KΩ
24 V DC 2 KΩ 2 KΩ

Note: values for 24 V and 48 V are the same due to a
required 95% voltage drop across the load impedance.

2 W RESISTOR 1 W RESISTOR

Operate time: < 0.6 ms
Internal Limiting Resistor: 100 Ω, 2 W

IMPEDANCE

SOLID-STATE OUTPUT RELAY

Operate and release time: <100 μs

Maximum voltage: 265 V DC

Maximum continuous current: 5 A at 45°C; 4 A at 65°C

Make and carry:

for 0.2 s: 30 A as per ANSI C37.90
for 0.03 s 300 A

Breaking capacity:

Operations/
interval

Break
capability
(0 to 250 V
DC)

UL508 Utility

5000 ops /

1 s-On, 9 s-Off

1000 ops /

0.5 s-On, 0.5 s-Off

3.2 A

L/R = 10 ms

1.6 A

L/R = 20 ms

0.8 A

L/R = 40 ms

application

(autoreclose

scheme)

5ops/

0.2 s-On,

0.2 s-Off
within 1

minute

10 A

L/R = 40 ms

Industrial

application

10000 ops /

0.2 s-On,
30 s-Off

10 A

L/R = 40 ms

IRIG-B OUTPUT

Amplitude: 10 V peak-peak RS485 level

Maximum load: 100 ohms

Time delay: 1 ms for AM input

40 μs for DC-shift input

Isolation: 2 kV

CONTROL POWER EXTERNAL OUTPUT
(FOR DRY CONTACT INPUT)

Capacity: 100 mA DC at 48 V DC

Isolation: ±300 Vpk

REMOTE OUTPUTS (IEC 61850 GSSE/GOOSE)

Standard output points: 32

User output points: 32

DIRECT OUTPUTS

Output points: 64

DCMA OUTPUTS

Range: –1 to 1 mA, 0 to 1 mA, 4 to 20 mA
Max. load resistance: 12 kΩ for –1 to 1 mA range

Accuracy: ±0.75% of full-scale for 0 to 1 mA range

99% Settling time to a step change: 100 ms

Isolation: 1.5 kV

Driving signal: any FlexAnalog quantity

Upper and lower limit for the driving signal: –90 to 90 pu in steps of

12 kΩ for 0 to 1 mA range
600 Ω for 4 to 20 mA range

±0.5% of full-scale for –1 to 1 mA range
±0.75% of full-scale for 0 to 20 mA range

0.001

2

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-11

2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION

OPB P

TMIN()PRMIN()

–=

Total insertion loss number of connectors 0.5 dB×=

2 0.5 dB×= 1.0 dB=

OPB

WORST

OPB 1 dB (LED aging)– total insertion loss–=

10dB 1 dB– 1dB– 8 dB=

Maximum fiber length

OPB

WORST

(in dB)

cable loss (in dB/km)

-------------------------------------------------------

=

8 dB

2.8 dB/km

---------------------------

= 2.8 km=

ETHERNET SWITCH (HIGH VOLTAGE, TYPE 2S)

Nominal DC voltage: 110 to 240 V DC

Minimum DC voltage: 88 V DC

Maximum DC voltage: 300 V DC

Input Current: 0.9 A DC maximum

Nominal AC voltage: 100 to 240 V AC, 0.26 to 0.16 A/26 to 39

VA at 50/60 Hz

Minimum AC voltage: 85 V AC, 0.31 A/22 VA at 50/60 Hz

2

Maximum AC voltage: 265 V AC, 0.16 A/42 VA at 50/60 Hz

Internal fuse: 3 A / 350 V AC, Ceramic, Axial SLO

BLO;
Manufacturer: Conquer; Part number:
SCD-A 003

RS232

Front port: 19.2 kbps, Modbus® RTU

RS485

1 or 2 rear ports: Up to 115 kbps, Modbus® RTU, isolated

Typical distance: 1200 m

Isolation: 2 kV

together at 36 Vpk

ETHERNET (FIBER)

PARAMETER FIBER TYPE

10MB MULTI-

MODE

Wavelength 820 nm 1310 nm 1310 nm

Connector ST ST SC

Transmit power –20 dBm –20 dBm –15 dBm

Receiver sensitivity –30 dBm –30 dBm –30 dBm

Power budget 10 dB 10 dB 15 dB

Maximum input
power

Typical distance 1.65 km 2 km 15 km

Duplex full/half full/half full/half

Redundancy yes yes yes

–7.6 dBm –14 dBm –7 dBm

100MB MULTI-

MODE

100MB SINGLE-

MODE

ETHERNET SWITCH (LOW VOLTAGE, TYPE 2T)

Nominal voltage: 48 V DC, 0.31 A/15 W

Minimum voltage: 30 V DC, 0.43 A/16 W

Maximum voltage: 60 V DC

Internal fuse: 5 A / 350 V AC, Ceramic, Axial SLO

BLO;
Manufacturer: Conquer; Part number:
SCD-A 005

2.2.8 COMMUNICATIONS

ETHERNET SWITCH FIBER OPTIC PORTS

Maximum fiber segment length calculation:

The maximum fiber segment length between two adjacent
switches or between a switch and a device is calculated as fol­lows. First, calculate the optical power budget (OPB) of each
device using the manufacturer’s data sheets.

where OPB = optical power budget, P
and P

= receiver sensitivity.

R

The worst case optical power budget (OPB
lated by taking the lower of the two calculated power budgets, sub­tracting 1 dB for LED aging, and then subtracting the total insertion
loss. The total insertion loss is calculated by multiplying the num­ber of connectors in each single fiber path by 0.5 dB. For example,
with a single fiber cable between the two devices, there will be a
minimum of two connections in either transmit or receive fiber
paths for a total insertion loss of 1db for either direction:

The worst-case optical power budget between two type 2T or 2S
modules using a single fiber cable is:

= transmitter output power,

T

) is then calcu-

WORST

The UR-2S and UR-2T only support 100 Mb multimode

ETHERNET (10/100 MB TWISTED PAIR)

Modes: 10 MB, 10/100 MB (auto-detect)

Connector: RJ45

SNTP clock synchronization error: <10 ms (typical)

2-12 N60 Network Stability and Synchrophasor Measurement System GE Multilin

To calculate the maximum fiber length, divide the worst-case opti­cal power budget by the cable attenuation per unit distance speci­fied in the manufacturer data sheets. For example, typical
attenuation for 62.5/125 μm glass fiber optic cable is approxi-
mately 2.8 dB per km. In our example, this would result in the fol­lowing maximum fiber length:

The customer must use the attenuation specified within the manu­facturer data sheets for accurate calculation of the maximum fiber
length.

2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS

NOTE

NOTE

NOTE

NOTE

ETHERNET SWITCH 10/100BASE-T PORTS

Connector type: RJ45

MAXIMUM 10 MBPS ETHERNET SEGMENT LENGTHS

Unshielded twisted pair: 100 m (328 ft.)

Shielded twisted pair: 150 m (492 ft.)

MAXIMUM STANDARD FAST ETHERNET SEGMENT LENGTHS

10Base-T (CAT 3, 4, 5 UTP): 100 m (328 ft.)

100Base-TX (CAT 5 UTP):100 m (328 ft.)

Shielded twisted pair: 150 m (492 ft.)

2.2.9 INTER-RELAY COMMUNICATIONS

2

SHIELDED TWISTED-PAIR INTERFACE OPTIONS

INTERFACE TYPE TYPICAL DISTANCE

RS422 1200 m

G.703 100 m

RS422 distance is based on transmitter power
and does not take into consideration the clock
source provided by the user.

LINK POWER BUDGET

EMITTER,
FIBER TYPE

820 nm LED,
Multimode

1300 nm LED,
Multimode

1300 nm ELED,
Singlemode

1300 nm Laser,
Singlemode

1550 nm Laser,
Singlemode

TRANSMIT

POWER

–20 dBm –30 dBm 10 dB

–21 dBm –30 dBm 9 dB

–23 dBm –32 dBm 9 dB

–1 dBm –30 dBm 29 dB

+5 dBm –30 dBm 35 dB

RECEIVED

SENSITIVITY

POWER

BUDGET

These power budgets are calculated from the
manufacturer’s worst-case transmitter power
and worst case receiver sensitivity.

The power budgets for the 1300nm ELED are cal­culated from the manufacturer's transmitter
power and receiver sensitivity at ambient temper­ature. At extreme temperatures these values will
deviate based on component tolerance. On aver­age, the output power will decrease as the tem­perature is increased by a factor 1dB / 5°C.

MAXIMUM OPTICAL INPUT POWER

EMITTER, FIBER TYPE MAX. OPTICAL

820 nm LED, Multimode –7.6 dBm

1300 nm LED, Multimode –11 dBm

1300 nm ELED, Singlemode –14 dBm

1300 nm Laser, Singlemode –14 dBm

1550 nm Laser, Singlemode –14 dBm

INPUT POWER

TYPICAL LINK DISTANCE

EMITTER TYPE CABLE

820 nm LED,
multimode

1300 nm LED,
multimode

1300 nm ELED,
single mode

1300 nm Laser,
single mode

1550 nm Laser,
single-mode

TYPE

62.5/125 μmST 1.65 km

62.5/125 μm ST 3.8 km

9/125 μm ST 11.4 km

9/125 μm ST 64 km

9/125 μm ST 105 km

CONNECTOR

TYPE

TYPICAL

DISTANCE

Typical distances listed are based on the fol­lowing assumptions for system loss. As
actual losses will vary from one installation to
another, the distance covered by your system
may vary.

CONNECTOR LOSSES (TOTAL OF BOTH ENDS)

ST connector 2 dB

FIBER LOSSES

820 nm multimode 3 dB/km

1300 nm multimode 1 dB/km

1300 nm singlemode 0.35 dB/km

1550 nm singlemode 0.25 dB/km

Splice losses: One splice every 2 km,

at 0.05 dB loss per splice.

SYSTEM MARGIN

3 dB additional loss added to calculations to compensate for
all other losses.

Compensated difference in transmitting and receiving (channel
asymmetry) channel delays using GPS satellite clock: 10 ms

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-13

2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION

2.2.10 ENVIRONMENTAL

AMBIENT TEMPERATURES

Storage temperature: –40 to 85°C

Operating temperature: –40 to 60°C; the LCD contrast may be

impaired at temperatures less than –
20°C

HUMIDITY

2

Humidity: operating up to 95% (non-condensing) at

55°C (as per IEC60068-2-30 variant 1,
6days).

TYPE TESTS

TEST REFERENCE STANDARD TEST LEVEL

Dielectric voltage withstand EN60255-5 2.3 kV

Impulse voltage withstand EN60255-5 5 kV

Damped oscillatory IEC61000-4-18 / IEC60255-22-1 2.5 kV CM, 1 kV DM

Electrostatic discharge EN61000-4-2 / IEC60255-22-2 Level 3

RF immunity EN61000-4-3 / IEC60255-22-3 Level 3

Fast transient disturbance EN61000-4-4 / IEC60255-22-4 Class A and B

Surge immunity EN61000-4-5 / IEC60255-22-5 Level 3 and 4

Conducted RF immunity EN61000-4-6 / IEC60255-22-6 Level 3

Power frequency immunity EN61000-4-7 / IEC60255-22-7 Class A and B

Voltage interruption and ripple DC IEC60255-11 12% ripple, 200 ms interrupts

Radiated and conducted emissions CISPR11 / CISPR22 / IEC60255-25 Class A

Sinusoidal vibration IEC60255-21-1 Class 1

Shock and bump IEC60255-21-2 Class 1

Seismic IEC60255-21-3 Class 1

Power magnetic immunity IEC61000-4-8 Level 5

Pulse magnetic immunity IEC61000-4-9 Level 4

Damped magnetic immunity IEC61000-4-10 Level 4

Voltage dip and interruption IEC61000-4-11 0, 40, 70, 80% dips; 250 / 300 cycle interrupts

Damped oscillatory IEC61000-4-12 2.5 kV CM, 1 kV DM

Conducted RF immunity, 0 to 150 kHz IEC61000-4-16 Level 4

Voltage ripple IEC61000-4-17 15% ripple

Ingress protection IEC60529 IP40 front, IP10 back

Cold IEC60068-2-1 –40°C for 16 hours

Hot IEC60068-2-2 85°C for 16 hours

Humidity IEC60068-2-30 6 day, variant 1

Damped oscillatory IEEE/ANSI C37.90.1 2.5 kV, 1 MHz

RF immunity IEEE/ANSIC37.90.2 20 V/m, 80 MHz to 1 GHz

Safety UL508 e83849 NKCR

Safety UL C22.2-14 e83849 NKCR7

Safety UL1053 e83849 NKCR

OTHER

Altitude: 2000 m (maximum)

Pollution degree: II

Overvoltage category: II

Ingress protection: IP20 front, IP10 back

2.2.11 TYPE TESTS

2-14 N60 Network Stability and Synchrophasor Measurement System GE Multilin

2 PRODUCT DESCRIPTION 2.2 SPECIFICATIONS

NOTE

2.2.12 PRODUCTION TESTS

THERMAL

Products go through an environmental test based upon an

Accepted Quality Level (AQL) sampling process.

2.2.13 APPROVALS

APPROVALS

COMPLIANCE APPLICABLE

COUNCIL DIRECTIVE

CE compliance Low voltage directive EN60255-5

EMC directive EN60255-26 / EN50263

North America --- UL508

--- UL1053

--- C22.2 No. 14

ACCORDING TO

EN61000-6-5

MOUNTING

Attach mounting brackets using 20 inch-pounds (±2 inch-pounds)
of torque.

2

2.2.14 MAINTENANCE

CLEANING

Normally, cleaning is not required; but for situations where dust
has accumulated on the faceplate display, a dry cloth can be used.

Units that are stored in a de-energized state should be
powered up once per year, for one hour continuously, to
avoid deterioration of electrolytic capacitors.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 2-15

2

2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION

2-16 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.1 DESCRIPTION

17.56”

[446,02 mm]

9.687”

[246,05 mm]

11.016”

[279,81 mm]

7.460”

[189,48 mm]

6.960”
[176,78 mm]

19.040”

[483,62 mm]

6.995”

[177,67 mm]

842807A1.CDR

3 HARDWARE 3.1DESCRIPTION 3.1.1 PANEL CUTOUT

The N60 Network Stability and Synchrophasor Measurement System is available as a 19-inch rack horizontal mount unit
with a removable faceplate. The faceplate can be specified as either standard or enhanced at the time of ordering. The
enhanced faceplate contains additional user-programmable pushbuttons and LED indicators.

The modular design allows the relay to be easily upgraded or repaired by a qualified service person. The faceplate is
hinged to allow easy access to the removable modules, and is itself removable to allow mounting on doors with limited rear
depth. There is also a removable dust cover that fits over the faceplate, which must be removed when attempting to access
the keypad or RS232 communications port.

The case dimensions are shown below, along with panel cutout details for panel mounting. When planning the location of
your panel cutout, ensure that provision is made for the faceplate to swing open without interference to or from adjacent
equipment.

The relay must be mounted such that the faceplate sits semi-flush with the panel or switchgear door, allowing the operator
access to the keypad and the RS232 communications port. The relay is secured to the panel with the use of four screws
supplied with the relay.

3

Figure 3–1: N60 HORIZONTAL DIMENSIONS (ENHANCED PANEL)

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-1

3.1 DESCRIPTION 3 HARDWARE

18.370”

[466,60 mm]

842808A1.CDR

0.280”
[7,11 mm]
Typ.x4

4.000”

[101,60 mm]

17.750”

[450,85 mm]

CUT-OUT

3

Figure 3–2: N60 HORIZONTAL MOUNTING (ENHANCED PANEL)

Figure 3–3: N60 HORIZONTAL MOUNTING AND DIMENSIONS (STANDARD PANEL)

3-2 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.1 DESCRIPTION

WARNING

842812A1.CDR

3.1.2 MODULE WITHDRAWAL AND INSERTION

Module withdrawal and insertion may only be performed when control power has been
removed from the unit. Inserting an incorrect module type into a slot may result in personal
injury, damage to the unit or connected equipment, or undesired operation!

Proper electrostatic discharge protection (for example, a static strap) must be used when
coming in contact with modules while the relay is energized!

The relay, being modular in design, allows for the withdrawal and insertion of modules. Modules must only be replaced with
like modules in their original factory configured slots.

The enhanced faceplate can be opened to the left, once the thumb screw has been removed, as shown below. This allows
for easy accessibility of the modules for withdrawal. The new wide-angle hinge assembly in the enhanced front panel opens
completely and allows easy access to all modules in the N60.

3

Figure 3–4: UR MODULE WITHDRAWAL AND INSERTION (ENHANCED FACEPLATE)

The standard faceplate can be opened to the left, once the sliding latch on the right side has been pushed up, as shown
below. This allows for easy accessibility of the modules for withdrawal.

Figure 3–5: UR MODULE WITHDRAWAL AND INSERTION (STANDARD FACEPLATE)

To properly remove a module, the ejector/inserter clips, located at the top and bottom of each module, must be pulled
simultaneously. Before performing this action, control power must be removed from the relay. Record the original loca-
tion of the module to ensure that the same or replacement module is inserted into the correct slot. Modules with current
input provide automatic shorting of external CT circuits.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-3

3.1 DESCRIPTION 3 HARDWARE

NOTE

XW V UT S PN ML K J H DGF BR

8

4

7

3

6

2

5

1

b

8

4

7

3

6

2

5

1

a

abc abc abc

4

3

2

1

b

4

3

2

1

a

IN

OUT

Tx1

Tx2

Rx2

Rx1

CH1

Tx

CH2

Rx

CH1

CH2

®

®

Technical Support:
Tel: [phone]
Fax: [phone]

http://www.GEIndustrial.com/Multilin

Model:
Mods:
Wiring Diagram:
Inst. Manual:
Serial Number:
Firmware:
Mfg. Date:

N60D00HCHF8AH6AM6BP8BX7A
000
ZZZZZZ
D
MAZB98000029
D
2004/03/20

Control Power:
Contact Inputs:
Contact Outputs:

88-300V DC @ 35W / 77-265V AC @ 35VA
300V DC Max 10mA
Standard Pilot Duty / 250V AC 7.5A
360V A Resistive / 125V DC Break
4A @ L/R = 40mS / 300W

RATINGS:

N60

GE Multilin

Made in
Canada

- M A A B 9 7 0 0 0 0 9 9 -

Network Stability and Security Relay

Optional
Ethernet

switch

Optional

direct

input/output

module

CPU module

(Ethernet not

available when

ordered with

Ethernet switch)

Optional

contact

input/output

module

CT/VT

module

Power
supply

module

Tx1

Tx2

Rx1

Rx2

Tx1

Tx2

847701A3.CDR

abc

Optional
CT/VT or

contact

input/output

module

Optional

contact

input/output

module

WARNING

To properly insert a module, ensure that the correct module type is inserted into the correct slot position. The ejector/
inserter clips located at the top and at the bottom of each module must be in the disengaged position as the module is
smoothly inserted into the slot. Once the clips have cleared the raised edge of the chassis, engage the clips simultaneously.
When the clips have locked into position, the module will be fully inserted.

All CPU modules except the 9E are equipped with 10/100Base-T or 100Base-F Ethernet connectors. These con­nectors must be individually disconnected from the module before it can be removed from the chassis.

The 4.0x release of the N60 relay includes new hardware modules.The new CPU modules are specified with codes
9E and higher. The new CT/VT modules are specified with the codes 8F and higher.

The new CT/VT modules can only be used with new CPUs; similarly, old CT/VT modules can only be used with old
CPUs. To prevent hardware mismatches, the new modules have blue labels and a warning sticker stating “Attn.:

Ensure CPU and DSP module label colors are the same!”. In the event that there is a mismatch between the

3

CPU and CT/VT module, the relay will not function and a
played.

DSP ERROR or HARDWARE MISMATCH error will be dis-

All other input and output modules are compatible with the new hardware. Firmware versions 4.0x and higher are
only compatible with the new hardware modules. Previous versions of the firmware (3.4x and earlier) are only com­patible with the older hardware modules.

3.1.3 REAR TERMINAL LAYOUT

The relay follows a convention with respect to terminal number assignments which are three characters long assigned in
order by module slot position, row number, and column letter. Two-slot wide modules take their slot designation from the
first slot position (nearest to CPU module) which is indicated by an arrow marker on the terminal block. See the following
figure for an example of rear terminal assignments.

3-4 N60 Network Stability and Synchrophasor Measurement System GE Multilin

Do not touch any rear terminals while the relay is energized!

Figure 3–6: REAR TERMINAL VIEW

3 HARDWARE 3.1 DESCRIPTION

Figure 3–7: EXAMPLE OF MODULES IN F AND H SLOTS

3

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-5

847702A4.CDR

N60

NETWORK STABILITY AND SECURITY RELAY

(Rear view)

1

Power

Supply

9

CPU8CT6Inputs/

outputs

8

CT

8

CT/VT6Inputs/

outputs

6

Inputs/
outputs

MODULE ARRANGEMENT

JU

MXLWKVBHTD

N

GSP FR

CONTACTSSHOWN

WITH NO

CONTROL POWER

TYPICAL CONFIGURATION

THE AC SIGNAL PATHIS CONFIGURABLE

POSITIVE WATTS

AC or DC

DC

( DCONLY)

UR COMPUTER

1

TXD RXD
RXD TXD

SGND SGND

1

8
3
2

20

7
6
4
5

22

25 PIN
CONNECTOR

9 PIN

CONNECTOR

22
33
44
55
66
77
88
99

RS-232

(front)

DB-9

CRITICAL

FAILURE

48VDC
OUTPUT

CONTROL

POWER

HI
LO

PO

WER SUPPLY

1

FILTER

SURGE

B3a

B1b

B8a

B6b

B8b

B6a

B3b

B1a
B2b

B5b

P1a

P2b

P1c

P1b

P2c

P2a

P4a

P4c

P3b

P3a

P4b

P3c

CONTACTINPUT P5a

CONTACTINPUT P7a

CONTACTINPUT P5c

CONTACTINPUT P7c

CONTACTINPUT P6a

CONTACTINPUT P8a

CONTACTINPUT P6c

CONTACTINPUT P8c

COMMON P5b

COMMON P7b

SURGE

P6a

P8a

P5b

P7b

P8b

P5a

P7a

P6c

P8c

P5c

P7c

P1

P2

P3

P4

I

V

I

V

I

V

I

V

DIGITALINPUTS/OUTPUTS

6G

H1a

H2b

H1c

H1b

H2c

H2a

H4a

H4c

H3b

H3a

H4b

H3c

CONTACTINPUT H5a

CONTACTINPUT H7a

CONTACTINPUT H5c

CONTACTINPUT H7c

CONTACTINPUT H6a

CONTACTINPUT H8a

CONTACTINPUT H6c

CONTACTINPUT H8c

COMMON H5b

COMMON H7b

SURGE

H6a

H8a

H5b

H7b

H8b

H5a

H7a

H6c

H8c

H5c

H7c

H1

H2

H3

H4

I

V

I

V

I

V

I

V

DIGITALINPUTS/OUTPUTS

6G

W1a

W2b

W1c

W1b

W2c

W2a

W4a

W4c

W3b

W3a

W4b

W3c

CONTACTINPUT W5a

CONTACTINPUT W7a

CONTACTINPUT W5c

CONTACTINPUT W7c

CONTACTINPUT W6a

CONTACTINPUT W8a

CONTACTINPUT W6c

CONTACTINPUT W8c

COMMON W5b

COMMON W7b

SURGE

W6a

W8a

W5b

W7b

W8b

W5a

W7a

W6c

W8c

W5c

W7c

W1

W2

W3

W4

I

V

I

V

I

V

I

V

DIGITALINPUTS/OUTPUTS

6G

U1c

U4a

U3c

U5a

U5c

U7c

CIRCUIT U

CURRENT INPUTS

U6a

U7a

U6c

U2c

VA

VB

VC

U4c

U1a

U4b

U1b

U2a

U3a

U2b

U3b

CIRCUIT U

VOLTAGEINPUTS

8F /8G

VA

VB

VC

IA

IB

IC

IG

IA5

IA1

IB5

IC5

IG5

IB1

IC1

IG1

F7c

F8c

F8b

F8a

F5c

F5a

F5b

F7b

F3c

F4b

F4a

F4c

F1c

F6a

F2b

F7a

F2a

F6b

F6c

F2c

F1b

F3a

F3b

CIRCUIT U

CIRCUIT U

CURRENT INPUTS

IA

IB

IC

IG

IA5

IA1

IB5

IC5

IG5

IB1

IC1

IG1

IA

IB

IC

IG

IA5

IA1

IB5

IC5

IG5

IB1

IC1

IG1

8H /8J

M7c

M8c

M8b

M8a

M5c

M5a

M5b

M7b

M3c

M4b

M4a

M4c

M1c

M6a

M2b

M7a

M2a

M6b

M6c

M2c

M1a

M1b

M3a

M3b

CIRCUIT U

CIRCUIT U

CURRENT INPUTS

8H /8J

IA

IB

IC

IG

IA5

IA1

IB5

IC5

IG5

IB1

IC1

IG1

IA

IB

IC

IG

IA5

IA1

IB5

IC5

IG5

IB1

IC1

IG1

ABC

1

2

3

4

5

GROUND BUS

No.10AWG

minimum

MODULES MUSTBE

GROUNDED IF

TERMINAL IS

PROVIDED

TC

TC

2

1

VOLTAGESUPERVISION

VOLTAGEAND

CURRENT SUPERVISION

CONNECTION

ASREQUIRED

U8c

U8a

VX

VX

OPEN DELTA(ABC)

VT CONNECTION

CBA

U5a

U5c

U7c

U6a

U7a

U6c

VA

VB

VC

VOLTAGEINPUTS

VA

VB

VC

D1a
D2a

D4b

D3a

D4a

IRIG-B

input

IRIG-B

output

COM

1

RS485
COM 2

ALTERNATE

NORMAL

com

CPU

9H

10BaseT

10BaseFL

10BaseFL

Tx2

Rx2

Tx1

Rx1

BNC

BNC

Fibre
Optic

*

Groundat

Remote
Device

Shielded

twistedpairs

Co-axial

Co-axial

Co-axial*

Co-axial * - For IRIG-B Input

only use one
terminal as input

F1a

This diagram is based on the following order code:

This diagram provides an example of how the device
is wired, not specifically how to wire the device. Please
refer to the Instruction Manual for additional details on
wiring based on various configurations.

N60-H00-HCH-F8H-H6G-M8H-P6G-U8F-W6G

GE Consumer & Industrial

Multilin

3.2 WIRING 3 HARDWARE

3.2WIRING 3.2.1 TYPICAL WIRING

3

3-6 N60 Network Stability and Synchrophasor Measurement System GE Multilin

Figure 3–8: TYPICAL WIRING DIAGRAM

3 HARDWARE 3.2 WIRING

NOTICE

3.2.2 DIELECTRIC STRENGTH

The dielectric strength of the UR-series module hardware is shown in the following table:

Table 3–1: DIELECTRIC STRENGTH OF UR-SERIES MODULE HARDWARE

MODULE

TYPE

1 Power supply High (+); Low (+); (–) Chassis 2000 V AC for 1 minute

1 Power supply 48 V DC (+) and (–) Chassis 2000 V AC for 1 minute

1 Power supply Relay terminals Chassis 2000 V AC for 1 minute

2 Reserved N/A N/A N/A

3 Reserved N/A N/A N/A

4 Reserved N/A N/A N/A

5 Analog inputs/outputs All except 8b Chassis < 50 V DC

6 Digital inputs/outputs All Chassis 2000 V AC for 1 minute

7

8 CT/VT All Chassis 2000 V AC for 1 minute

9 CPU All Chassis 2000 V AC for 1 minute

MODULE FUNCTION TERMINALS DIELECTRIC STRENGTH

FROM TO

G.703 All except 2b, 3a, 7b, 8a Chassis 2000 V AC for 1 minute

RS422 All except 6a, 7b, 8a Chassis < 50 V DC

(AC)

Filter networks and transient protection clamps are used in the hardware to prevent damage caused by high peak voltage
transients, radio frequency interference (RFI), and electromagnetic interference (EMI). These protective components can
be damaged by application of the ANSI/IEEE C37.90 specified test voltage for a period longer than the specified one min­ute.

3

3.2.3 CONTROL POWER

CONTROL POWER SUPPLIED TO THE RELAY MUST BE CONNECTED TO THE MATCHING
POWER SUPPLY RANGE OF THE RELAY. IF THE VOLTAGE IS APPLIED TO THE WRONG TER­MINALS, DAMAGE MAY OCCUR!

The N60 relay, like almost all electronic relays, contains electrolytic capacitors. These capacitors are
well known to be subject to deterioration over time if voltage is not applied periodically. Deterioration
can be avoided by powering the relays up once a year.

The power supply module can be ordered for two possible voltage ranges, with or without a redundant power option. Each
range has a dedicated input connection for proper operation. The ranges are as shown below (see the Technical specifica-
tions section of chapter 2 for additional details):

• Low (LO) range: 24 to 48 V (DC only) nominal.

• High (HI) range: 125 to 250 V nominal.

The power supply module provides power to the relay and supplies power for dry contact input connections.

The power supply module provides 48 V DC power for dry contact input connections and a critical failure relay (see the
Typical wiring diagram earlier). The critical failure relay is a form-C device that will be energized once control power is
applied and the relay has successfully booted up with no critical self-test failures. If on-going self-test diagnostic checks
detect a critical failure (see the Self-test errors section in chapter 7) or control power is lost, the relay will de-energize.

For high reliability systems, the N60 has a redundant option in which two N60 power supplies are placed in parallel on the
bus. If one of the power supplies become faulted, the second power supply will assume the full load of the relay without any
interruptions. Each power supply has a green LED on the front of the module to indicate it is functional. The critical fail relay
of the module will also indicate a faulted power supply.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-7

3.2 WIRING 3 HARDWARE

AC or DC

NOTE:
14 gauge stranded
wire with suitable
disconnect devices
is recommended.

Heavy copper conductor

or braided wire

Switchgear

ground bus

UR-series

protection system

FILTER

SURGE

–

+

LOW

+

HIGH

B8b B8a B6a B6b B5b

CONTROL

POWER

827759AA.CDR

—

+

OPTIONAL

ETHERNET SWITCH

AC or DC

GND

NOTICE

An LED on the front of the control power module shows the status of the power supply:

LED INDICATION POWER SUPPLY

CONTINUOUS ON OK

ON / OFF CYCLING Failure

OFF Failure

3

Figure 3–9: CONTROL POWER CONNECTION

3.2.4 CT AND VT MODULES

A CT/VT module may have voltage inputs on channels 1 through 4 inclusive, or channels 5 through 8 inclusive. Channels 1
and 5 are intended for connection to phase A, and are labeled as such in the relay. Likewise, channels 2 and 6 are intended
for connection to phase B, and channels 3 and 7 are intended for connection to phase C.

Channels 4 and 8 are intended for connection to a single-phase source. For voltage inputs, these channel are labelled as
auxiliary voltage (VX). For current inputs, these channels are intended for connection to a CT between system neutral and
ground, and are labelled as ground current (IG).

Verify that the connection made to the relay nominal current of 1 A or 5 A matches the secondary rat­ing of the connected CTs. Unmatched CTs may result in equipment damage or inadequate protection.

CT/VT modules may be ordered with a standard ground current input that is the same as the phase current input. Each AC
current input has an isolating transformer and an automatic shorting mechanism that shorts the input when the module is
withdrawn from the chassis. There are no internal ground connections on the current inputs. Current transformers with 1 to
50000 A primaries and 1 A or 5 A secondaries may be used.

The above modules are available with enhanced diagnostics. These modules can automatically detect CT/VT hardware
failure and take the relay out of service.

CT connections for both ABC and ACB phase rotations are identical as shown in the Typical wiring diagram.

The exact placement of a zero-sequence core balance CT to detect ground fault current is shown below. Twisted-pair
cabling on the zero-sequence CT is recommended.

3-8 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.2 WIRING

Ground connection to neutral
must be on the source side

UNSHIELDED CABLE

LOAD

ABCN G

Ground
outside CT

Source

LOAD

SHIELDED CABLE

996630A5

AB C

Source

To ground;
must be on
load side

Stress cone

shields

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

1a

1b

1c

2a

2b

2c

3a

4a

5a

6a

7a

8a

3b

4b

5c

6c

7c

8c

3c

4c

Current inputs

8F, 8G, 8L , and 8M modules (4 CTs and 4 VTs)

Voltage inputs

VA

VB

VC

VX

VA

VB

VC

VX

IA

IC

IB

IG

IA5

IC5

IB5

IG5

IA1

IC1

IB1

IG1

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

1a

5a

1b

5b

1c

5c

2a

6a

2b

6b

2c

6c

3a

7a

4a

8a

3b

7b

4b

8b

3c

7c

4c

8c

Current inputs

842766A3.CDR

IA

IA

IC

IC

IB

IB

IG

IG

IA5

IA5

IC5

IC5

IB5

IB5

IG5

IG5

IA1

IA1

IC1

IC1

IB1

IB1

IG1

IG1

8H, 8J, 8N, and 8R modules (8 CTs)

Figure 3–10: ZERO-SEQUENCE CORE BALANCE CT INSTALLATION

The phase voltage channels are used for most metering and protection purposes. The auxiliary voltage channel is used as
input for the synchrocheck and volts-per-hertz features.

Substitute the tilde “~” symbol with the slot position of the module in the following figure.

3

Figure 3–11: CT/VT MODULE WIRING

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-9

3.2 WIRING 3 HARDWARE

3.2.5 PROCESS BUS MODULES

The N60 can be ordered with a process bus interface module. This module is designed to interface with the GE Multilin
HardFiber system, allowing bi-directional IEC 61850 fiber optic communications with up to eight HardFiber merging units,
known as Bricks. The HardFiber system has been designed to integrate seamlessly with the existing UR-series applica­tions, including protection functions, FlexLogic™, metering, and communications.

The IEC 61850 process bus system offers the following benefits.

• Drastically reduces labor associated with design, installation, and testing of protection and control applications using
the N60 by reducing the number of individual copper terminations.

• Integrates seamlessly with existing N60 applications, since the IEC 61850 process bus interface module replaces the
traditional CT/VT modules.

• Communicates using open standard IEC 61850 messaging.

3

For additional details on the HardFiber system, refer to GE publication GEK-113500: HardFiber System Instruction Manual.

3.2.6 CONTACT INPUTS AND OUTPUTS

Every contact input/output module has 24 terminal connections. They are arranged as three terminals per row, with eight
rows in total. A given row of three terminals may be used for the outputs of one relay. For example, for form-C relay outputs,
the terminals connect to the normally open (NO), normally closed (NC), and common contacts of the relay. For a form-A
output, there are options of using current or voltage detection for feature supervision, depending on the module ordered.
The terminal configuration for contact inputs is different for the two applications.

The contact inputs are grouped with a common return. The N60 has two versions of grouping: four inputs per common
return and two inputs per common return. When a contact input/output module is ordered, four inputs per common is used.
The four inputs per common allows for high-density inputs in combination with outputs, with a compromise of four inputs
sharing one common. If the inputs must be isolated per row, then two inputs per common return should be selected (4D
module).

The tables and diagrams on the following pages illustrate the module types (6A, etc.) and contact arrangements that may
be ordered for the relay. Since an entire row is used for a single contact output, the name is assigned using the module slot
position and row number. However, since there are two contact inputs per row, these names are assigned by module slot
position, row number, and column position.

Some form-A / solid-state relay outputs include circuits to monitor the DC voltage across the output contact when it is open,
and the DC current through the output contact when it is closed. Each of the monitors contains a level detector whose out­put is set to logic “On = 1” when the current in the circuit is above the threshold setting. The voltage monitor is set to “On =
1” when the current is above about 1 to 2.5 mA, and the current monitor is set to “On = 1” when the current exceeds about
80 to 100 mA. The voltage monitor is intended to check the health of the overall trip circuit, and the current monitor can be
used to seal-in the output contact until an external contact has interrupted current flow.

Block diagrams are shown below for form-A and solid-state relay outputs with optional voltage monitor, optional current
monitor, and with no monitoring. The actual values shown for contact output 1 are the same for all contact outputs.

3-10 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.2 WIRING

/RDG

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aD

aE

aF

aD

aE

aF

aD

aE

aF

aD

aE

aF

,

WARNING

NOTE

NOTE

NOTE

3

Figure 3–12: FORM-A AND SOLID-STATE CONTACT OUTPUTS WITH VOLTAGE AND CURRENT MONITORING

The operation of voltage and current monitors is reflected with the corresponding FlexLogic™ operands (CONT OP # VON,

CONT OP # VOFF, and CONT OP # ION) which can be used in protection, control, and alarm logic. The typical application of

the voltage monitor is breaker trip circuit integrity monitoring; a typical application of the current monitor is seal-in of the
control command.

Refer to the Digital elements section of chapter 5 for an example of how form-A and solid-state relay contacts can be
applied for breaker trip circuit integrity monitoring.

Relay contacts must be considered unsafe to touch when the unit is energized! If the relay
contacts need to be used for low voltage accessible applications, it is the customer’s
responsibility to ensure proper insulation levels!

USE OF FORM-A AND SOLID-STATE RELAY OUTPUTS IN HIGH IMPEDANCE CIRCUITS

For form-A and solid-state relay output contacts internally equipped with a voltage measuring cIrcuit across the
contact, the circuit has an impedance that can cause a problem when used in conjunction with external high input
impedance monitoring equipment such as modern relay test set trigger circuits. These monitoring circuits may con­tinue to read the form-A contact as being closed after it has closed and subsequently opened, when measured as
an impedance.

The solution to this problem is to use the voltage measuring trigger input of the relay test set, and connect the form­A contact through a voltage-dropping resistor to a DC voltage source. If the 48 V DC output of the power supply is
used as a source, a 500 Ω, 10 W resistor is appropriate. In this configuration, the voltage across either the form-A
contact or the resistor can be used to monitor the state of the output.

Wherever a tilde “~” symbol appears, substitute with the slot position of the module; wherever a number
sign “#” appears, substitute the contact number

When current monitoring is used to seal-in the form-A and solid-state relay contact outputs, the Flex­Logic™ operand driving the contact output should be given a reset delay of 10 ms to prevent damage of
the output contact (in situations when the element initiating the contact output is bouncing, at values in the
region of the pickup value).

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-11

3.2 WIRING 3 HARDWARE

Table 3–2: CONTACT INPUT AND OUTPUT MODULE ASSIGNMENTS

~6A MODULE ~6B MODULE ~6C MODULE ~6D MODULE

TERMINAL

ASSIGNMENT

~1 Form-A ~1 Form-A ~1 Form-C ~1a, ~1c 2 Inputs

~2 Form-A ~2 Form-A ~2 Form-C ~2a, ~2c 2 Inputs

~3 Form-C ~3 Form-C ~3 Form-C ~3a, ~3c 2 Inputs

~4 Form-C ~4 Form-C ~4 Form-C ~4a, ~4c 2 Inputs

~5a, ~5c 2 Inputs ~5 Form-C ~5 Form-C ~5a, ~5c 2 Inputs

~6a, ~6c 2 Inputs ~6 Form-C ~6 Form-C ~6a, ~6c 2 Inputs

~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs ~7 Form-C ~7a, ~7c 2 Inputs

~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs ~8 Form-C ~8a, ~8c 2 Inputs

OUTPUT OR

INPUT

TER MINA L

ASSIGNMENT

OUTPUT OR

INPUT

3

~6E MODULE ~6F MODULE ~6G MODULE ~6H MODULE

TERMINAL

ASSIGNMENT

~1Form-C ~1 Fast Form-C ~1Form-A ~1Form-A

~2Form-C ~2 Fast Form-C ~2Form-A ~2Form-A

~3Form-C ~3 Fast Form-C ~3Form-A ~3Form-A

~4Form-C ~4 Fast Form-C ~4Form-A ~4Form-A

~5a, ~5c 2 Inputs ~5 Fast Form-C ~5a, ~5c 2 Inputs ~5 Form-A

~6a, ~6c 2 Inputs ~6 Fast Form-C ~6a, ~6c 2 Inputs ~6 Form-A

~7a, ~7c 2 Inputs ~7 Fast Form-C ~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs

~8a, ~8c 2 Inputs ~8 Fast Form-C ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs

OUTPUT OR

INPUT

TER MINA L

ASSIGNMENT

OUTPUT TERMINAL

TERMINAL

ASSIGNMENT

ASSIGNMENT

OUTPUT TERMINAL

OUTPUT OR

INPUT

ASSIGNMENT

TER MINA L

ASSIGNMENT

OUTPUT

OUTPUT OR

INPUT

~6K MODULE ~6L MODULE ~6M MODULE ~6N MODULE

TERMINAL

ASSIGNMENT

~1 Form-C ~1Form-A ~1Form-A ~1Form-A

~2 Form-C ~2Form-A ~2Form-A ~2Form-A

~3 Form-C ~3Form-C ~3Form-C ~3Form-A

~4 Form-C ~4Form-C ~4Form-C ~4Form-A

~5 Fast Form-C ~5a, ~5c 2 Inputs ~5Form-C ~5a, ~5c 2 Inputs

~6 Fast Form-C ~6a, ~6c 2 Inputs ~6Form-C ~6a, ~6c 2 Inputs

~7 Fast Form-C ~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs

~8 Fast Form-C ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs

~6P MODULE ~6R MODULE ~6S MODULE ~6T MODULE

TERMINAL

ASSIGNMENT

~1 Form-A ~1Form-A ~1Form-A ~1Form-A

~2 Form-A ~2Form-A ~2Form-A ~2Form-A

~3 Form-A ~3Form-C ~3Form-C ~3Form-A

~4 Form-A ~4Form-C ~4Form-C ~4Form-A

~5 Form-A ~5a, ~5c 2 Inputs ~5Form-C ~5a, ~5c 2 Inputs

~6 Form-A ~6a, ~6c 2 Inputs ~6Form-C ~6a, ~6c 2 Inputs

~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs

~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs

OUTPUT TERMINAL

OUTPUT OR

INPUT

ASSIGNMENT

TER MINA L

ASSIGNMENT

OUTPUT OR

INPUT

OUTPUT OR

INPUT

TERMINAL

ASSIGNMENT

TERMINAL

ASSIGNMENT

OUTPUT OR

INPUT

OUTPUT OR

INPUT

TER MINA L

ASSIGNMENT

TER MINA L

ASSIGNMENT

OUTPUT OR

INPUT

OUTPUT OR

INPUT

3-12 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.2 WIRING

~6U MODULE ~6V MODULE ~67 MODULE ~4A MODULE

TERMINAL

ASSIGNMENT

~1 Form-A ~1 Form-A ~1Form-A ~1Not Used

~2 Form-A ~2 Form-A ~2Form-A ~2 Solid-State

~3 Form-A ~3 Form-C ~3Form-A ~3Not Used

~4 Form-A ~4 2 Outputs ~4Form-A ~4 Solid-State

~5 Form-A ~5a, ~5c 2 Inputs ~5Form-A ~5Not Used

~6 Form-A ~6a, ~6c 2 Inputs ~6Form-A ~6 Solid-State

~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs ~7Form-A ~7Not Used

~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs ~8Form-A ~8 Solid-State

TERMINAL

ASSIGNMENT

~1Not Used ~1 Not Used ~1a, ~1c 2 Inputs ~1 2 Outputs

~2 Solid-State ~2 Solid-State ~2a, ~2c 2 Inputs ~2 2 Outputs

~3Not Used ~3 Not Used ~3a, ~3c 2 Inputs ~3 2 Outputs

~4 Solid-State ~4 Solid-State ~4a, ~4c 2 Inputs ~4 2 Outputs

~5Not Used ~5 Not Used ~5a, ~5c 2 Inputs ~5 2 Outputs

~6 Solid-State ~6 Solid-State ~6a, ~6c 2 Inputs ~6 2 Outputs

~7Not Used ~7 Not Used ~7a, ~7c 2 Inputs ~72 Outputs

~8 Solid-State ~8 Solid-State ~8a, ~8c 2 Inputs ~8Not Used

OUTPUT OR

INPUT

~4B MODULE ~4C MODULE ~4D MODULE ~4L MODULE

OUTPUT TERMINAL

TER MINA L

ASSIGNMENT

ASSIGNMENT

OUTPUT OR

INPUT

OUTPUT TERMINAL

TERMINAL

ASSIGNMENT

ASSIGNMENT

OUTPUT TERMINAL

OUTPUT TERMINAL

ASSIGNMENT

ASSIGNMENT

OUTPUT

OUTPUT

3

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-13

3

3.2 WIRING 3 HARDWARE

Figure 3–13: CONTACT INPUT AND OUTPUT MODULE WIRING (1 of 2)

3-14 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.2 WIRING

DIGITAL I/O

6K

1b

2b

3b

4b

5b

7b

6b

8b

1a

2a

3a

4a

5a

7a

6a

8a

1c

2c

3c

4c

5c

7c

6c

8c

1

5

7

2

6

8

3

4

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

I

V

I

V

I

V

I

V

I

V

I

V

DIGITAL I/O

6P

1b

2b

3b

4b

5b

6b

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

6c

1

5

2

6

3

4

8a

7b

7a

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

CONTACT IN 7a

CONTACT IN 7c

CONTACT IN 8a

CONTACT IN 8c

COMMON 7b

SURGE

8c

7c

8b

DIGITAL I/O

6U

1b

2b

3b

4b

5b

6b

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

6c

1

5

2

6

3

4

8a

7b

7a

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

CONTACT IN 7a

CONTACT IN 7c

CONTACT IN 8a

CONTACT IN 8c

COMMON 7b

SURGE

8c

7c

8b

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

I

V

I

V

DIGITAL I/O

6M

1b

2b

3b

4b

5b

6b

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

6c

1

5

2

6

3

4

8a

7b

7a

CONTACT IN 7a

CONTACT IN 7c

CONTACT IN 8a

CONTACT IN 8c

COMMON 7b

SURGE

8c

7c

8b

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

DIGITAL I/O

6S

1b

2b

3b

4b

5b

6b

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

6c

1

5

2

6

3

4

8a

7b

7a

CONTACT IN 7a

CONTACT IN 7c

CONTACT IN 8a

CONTACT IN 8c

COMMON 7b

SURGE

8c

7c

8b

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

I

V

I

V

I

V

I

V

DIGITAL I/O

6N

1b

2b

3b

4b

6c

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

5b

1

2

3

4

8a

7b

7a

CONTACT IN 7a

CONTACT IN 5a

CONTACT IN 7c

CONTACT IN 5c

CONTACT IN 8a

CONTACT IN 6a

CONTACT IN 8c

CONTACT IN 6c

COMMON 7b

COMMON 5b

SURGE

8c

7c

8b

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

DIGITAL I/O

6T

1b

2b

3b

4b

6c

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

5b

1

2

3

4

8a

7b

7a

CONTACT IN 7a

CONTACT IN 5a

CONTACT IN 7c

CONTACT IN 5c

CONTACT IN 8a

CONTACT IN 6a

CONTACT IN 8c

CONTACT IN 6c

COMMON 7b

COMMON 5b

SURGE

8c

7c

8b

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

I

V

I

V

DIGITAL I/O

6L

1b

2b

3b

4b

6c

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

5b

1

2

3

4

8a

7b

7a

CONTACT IN 7a

CONTACT IN 5a

CONTACT IN 7c

CONTACT IN 5c

CONTACT IN 8a

CONTACT IN 6a

CONTACT IN 8c

CONTACT IN 6c

COMMON 7b

COMMON 5b

SURGE

8c

7c

8b

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

DIGITAL I/O

6R

1b

2b

3b

4b

6c

1a

2a

3a

4a

5a

6a

1c

2c

3c

4c

5c

5b

1

2

3

4

8a

7b

7a

CONTACT IN 7a

CONTACT IN 5a

CONTACT IN 7c

CONTACT IN 5c

CONTACT IN 8a

CONTACT IN 6a

CONTACT IN 8c

CONTACT IN 6c

COMMON 7b

COMMON 5b

SURGE

8c

7c

8b

842763A2.CDR

NOTICE

3

Figure 3–14: CONTACT INPUT AND OUTPUT MODULE WIRING (2 of 2)

For proper functionality, observe the polarity shown in the figures for all contact input and output
connections.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-15

3.2 WIRING 3 HARDWARE

827741A4.CDR

CRITICAL

FAILURE

1bB
B
B
B
B
B
B
B
B
B

1a

2b

3a -

3b +

-

5b HI+

6b LO+

6a

8a

8b

48 VDC

OUTPUT

CONTROL

POWER

SURGE

FILTER

POWER SUPPLY 1

24-250V

(Wet)(Dry)

7a

DIGITAL I/O 6B

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~

~7c

8a

8c

7b

+

-

8b

+
+

+

CONTACT IN 7a
CONTACT IN 7c
CONTACT IN 8a
CONTACT IN 8c

COMMON 7b

SURGE

7a

DIGITAL I/O 6B

7c
8a
8c
7b

+

-

8b

+
+

+

CONTACT IN 7a
CONTACT IN 7c
CONTACT IN 8a
CONTACT IN 8c

COMMON 7b

SURGE

CONTACT INPUTS:

A dry contact has one side connected to terminal B3b. This is the positive 48 V DC voltage rail supplied by the power sup­ply module. The other side of the dry contact is connected to the required contact input terminal. Each contact input group
has its own common (negative) terminal which must be connected to the DC negative terminal (B3a) of the power supply
module. When a dry contact closes, a current of 1 to 3 mA will flow through the associated circuit.

A wet contact has one side connected to the positive terminal of an external DC power supply. The other side of this contact
is connected to the required contact input terminal. If a wet contact is used, then the negative side of the external source
must be connected to the relay common (negative) terminal of each contact group. The maximum external source voltage
for this arrangement is 300 V DC.

The voltage threshold at which each group of four contact inputs will detect a closed contact input is programmable as
17 V DC for 24 V sources, 33 V DC for 48 V sources, 84 V DC for 110 to 125 V sources, and 166 V DC for 250 V sources.

3

Figure 3–15: DRY AND WET CONTACT INPUT CONNECTIONS

Wherever a tilde “~” symbol appears, substitute with the slot position of the module.

Contact outputs may be ordered as form-a or form-C. The form-A contacts may be connected for external circuit supervi­sion. These contacts are provided with voltage and current monitoring circuits used to detect the loss of DC voltage in the
circuit, and the presence of DC current flowing through the contacts when the form-A contact closes. If enabled, the current
monitoring can be used as a seal-in signal to ensure that the form-A contact does not attempt to break the energized induc­tive coil circuit and weld the output contacts.

There is no provision in the relay to detect a DC ground fault on 48 V DC control power external output. We recommend
using an external DC supply.

3-16 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.2 WIRING

842749A1.CDR

50 to 70 mA

3 mA

25 to 50 ms

current

time

CONTACT INPUT 1 AUTO-BURNISH = OFF

= OFFCONTACT INPUT 2 AUTO-BURNISH

CONTACT INPUT 1 AUTO-BURNISH
CONTACT INPUT 2 AUTO-BURNISH

= ON
= OFF

CONTACT INPUT 1 AUTO-BURNISH
CONTACT INPUT 2 AUTO-BURNISH

= OFF
= ON

CONTACT INPUT 1 AUTO-BURNISH
CONTACT INPUT 2 AUTO-BURNISH

= ON
= ON

842751A1.CDR

USE OF CONTACT INPUTS WITH AUTO-BURNISHING:

The contact inputs sense a change of the state of the external device contact based on the measured current. When exter­nal devices are located in a harsh industrial environment (either outdoor or indoor), their contacts can be exposed to vari­ous types of contamination. Normally, there is a thin film of insulating sulfidation, oxidation, or contaminates on the surface
of the contacts, sometimes making it difficult or impossible to detect a change of the state. This film must be removed to
establish circuit continuity – an impulse of higher than normal current can accomplish this.

The contact inputs with auto-burnish create a high current impulse when the threshold is reached to burn off this oxidation
layer as a maintenance to the contacts. Afterwards the contact input current is reduced to a steady-state current. The
impulse will have a 5 second delay after a contact input changes state.

Figure 3–16: CURRENT THROUGH CONTACT INPUTS WITH AUTO-BURNISHING

Regular contact inputs limit current to less than 3 mA to reduce station battery burden. In contrast, contact inputs with auto­burnishing allow currents up to 50 to 70 mA at the first instance when the change of state was sensed. Then, within 25 to
50 ms, this current is slowly reduced to 3 mA as indicated above. The 50 to 70 mA peak current burns any film on the con­tacts, allowing for proper sensing of state changes. If the external device contact is bouncing, the auto-burnishing starts
when external device contact bouncing is over.

Another important difference between the auto-burnishing input module and the regular input modules is that only two con­tact inputs have common ground, as opposed to four contact inputs sharing one common ground (refer to the Contact Input
and Output Module Wiring diagrams). This is beneficial when connecting contact inputs to separate voltage sources. Con­sequently, the threshold voltage setting is also defined per group of two contact inputs.

The auto-burnish feature can be disabled or enabled using the DIP switches found on each daughter card. There is a DIP
switch for each contact, for a total of 16 inputs.

3

Figure 3–17: AUTO-BURNISH DIP SWITCHES

The auto-burnish circuitry has an internal fuse for safety purposes. During regular maintenance, the auto-burnish
functionality can be checked using an oscilloscope.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-17

3.2 WIRING 3 HARDWARE

NOTE

3.2.7 TRANSDUCER INPUTS AND OUTPUTS

Transducer input modules can receive input signals from external dcmA output transducers (dcmA In) or resistance tem­perature detectors (RTD). Hardware and software is provided to receive signals from these external transducers and con­vert these signals into a digital format for use as required.

Transducer output modules provide DC current outputs in several standard dcmA ranges. Software is provided to configure
virtually any analog quantity used in the relay to drive the analog outputs.

Every transducer input/output module has a total of 24 terminal connections. These connections are arranged as three ter­minals per row with a total of eight rows. A given row may be used for either inputs or outputs, with terminals in column "a"
having positive polarity and terminals in column "c" having negative polarity. Since an entire row is used for a single input/
output channel, the name of the channel is assigned using the module slot position and row number.

Each module also requires that a connection from an external ground bus be made to terminal 8b. The current outputs
require a twisted-pair shielded cable, where the shield is grounded at one end only. The figure below illustrates the trans-

3

ducer module types (5A, 5C, 5D, 5E, and 5F) and channel arrangements that may be ordered for the relay.

Wherever a tilde “~” symbol appears, substitute with the slot position of the module.

Figure 3–18: TRANSDUCER INPUT/OUTPUT MODULE WIRING

3-18 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.2 WIRING

NOTE

NOTE

3.2.8 RS232 FACEPLATE PORT

A 9-pin RS232C serial port is located on the N60 faceplate for programming with a personal computer. All that is required to
use this interface is a personal computer running the EnerVista UR Setup software provided with the relay. Cabling for the
RS232 port is shown in the following figure for both 9-pin and 25-pin connectors.

The baud rate for this port is fixed at 19200 bps.

3

Figure 3–19: RS232 FACEPLATE PORT CONNECTION

3.2.9 CPU COMMUNICATION PORTS

a) OPTIONS

In addition to the faceplate RS232 port, the N60 provides two additional communication ports or a managed six-port Ether­net switch, depending on the installed CPU module.

The CPU modules do not require a surge ground connection.

Table 3–3: CPU MODULE COMMUNICATIONS

CPU TYPE COM1 COM2

9E RS485 RS485

9G 10Base-F and 10Base-T RS485

9H Redundant 10Base-F RS485

9J 100Base-FX RS485

9K Redundant 100Base-FX RS485

9L 100Base-FX RS485

9M Redundant 100Base-FX RS485

9N 10/100Base-T RS485

9P 100Base-FX RS485

9R Redundant 100Base-FX RS485

9S Ethernet switch module with two 10/100Base-T and four 100Base-FX ports RS485

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-19

3.2 WIRING 3 HARDWARE

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3-20 N60 Network Stability and Synchrophasor Measurement System GE Multilin

Figure 3–20: CPU MODULE COMMUNICATIONS WIRING

3 HARDWARE 3.2 WIRING

b) RS485 PORTS

RS485 data transmission and reception are accomplished over a single twisted pair with transmit and receive data alternat­ing over the same two wires. Through the use of these ports, continuous monitoring and control from a remote computer,
SCADA system or PLC is possible.

To minimize errors from noise, the use of shielded twisted pair wire is recommended. Correct polarity must also be
observed. For instance, the relays must be connected with all RS485 “+” terminals connected together, and all RS485 “–”
terminals connected together. The COM terminal should be connected to the common wire inside the shield, when pro­vided. To avoid loop currents, the shield should be grounded at one point only. Each relay should also be daisy chained to
the next one in the link. A maximum of 32 relays can be connected in this manner without exceeding driver capability. For
larger systems, additional serial channels must be added. It is also possible to use commercially available repeaters to
increase the number of relays on a single channel to more than 32. Star or stub connections should be avoided entirely.

Lightning strikes and ground surge currents can cause large momentary voltage differences between remote ends of the
communication link. For this reason, surge protection devices are internally provided at both communication ports. An iso­lated power supply with an optocoupled data interface also acts to reduce noise coupling. To ensure maximum reliability, all
equipment should have similar transient protection devices installed.

Both ends of the RS485 circuit should also be terminated with an impedance as shown below.

3

Figure 3–21: RS485 SERIAL CONNECTION

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-21

3.2 WIRING 3 HARDWARE

NOTICE

c) 10BASE-FL AND 100BASE-FX FIBER OPTIC PORTS

ENSURE THE DUST COVERS ARE INSTALLED WHEN THE FIBER IS NOT IN USE. DIRTY OR
SCRATCHED CONNECTORS CAN LEAD TO HIGH LOSSES ON A FIBER LINK.

The fiber optic communication ports allow for fast and efficient communications between relays at 10 Mbps or 100 Mbps.
Optical fiber may be connected to the relay supporting a wavelength of 820 nm in multi-mode or 1310 nm in multi-mode
and single-mode. The 10 Mbps rate is available for CPU modules 9G and 9H; 100Mbps is available for modules 9H, 9J, 9K,
9L, 9M, 9N, 9P, and 9R. The 9H, 9K, 9M, and 9R modules have a second pair of identical optical fiber transmitter and
receiver for redundancy.

The optical fiber sizes supported include 50/125 µm, 62.5/125 µm and 100/140 µm for 10 Mbps. The fiber optic port is
designed such that the response times will not vary for any core that is 100 µm or less in diameter, 62.5 µm for 100 Mbps.
For optical power budgeting, splices are required every 1 km for the transmitter/receiver pair. When splicing optical fibers,
the diameter and numerical aperture of each fiber must be the same. In order to engage or disengage the ST type connec-

3

tor, only a quarter turn of the coupling is required.

3-22 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.2 WIRING

RELAY

BNC (IN)

RECEIVER

RG58/59 COAXIAL CABLE

GPS SATELLITE SYSTEM

GPS CONNECTION
OPTIONAL

IRIG-B(-)

4A

+

-

827756A5.CDR

IRIG-B

TIME CODE

GENERATOR

(DC SHIFT OR

AMPLITUDE MODULATED

SIGNAL CAN BE USED)

4B

IRIG-B(+)

BNC (OUT)

REPEATER

TO OTHER DEVICES

(DC-SHIFT ONLY)

NOTE

NOTE

3.2.10 IRIG-B

IRIG-B is a standard time code format that allows stamping of events to be synchronized among connected devices within
1 millisecond. The IRIG time code formats are serial, width-modulated codes which can be either DC level shifted or ampli­tude modulated (AM). Third party equipment is available for generating the IRIG-B signal; this equipment may use a GPS
satellite system to obtain the time reference so that devices at different geographic locations can also be synchronized.

3

Figure 3–22: IRIG-B CONNECTION

The IRIG-B repeater provides an amplified DC-shift IRIG-B signal to other equipment. By using one IRIG-B serial connec­tion, several UR-series relays can be synchronized. The IRIG-B repeater has a bypass function to maintain the time signal
even when a relay in the series is powered down.

Figure 3–23: IRIG-B REPEATER

Using an amplitude modulated receiver will cause errors up to 1 ms in event time-stamping.

Using an amplitude modulated receiver will also cause errors of up to 1 ms in metered synchrophasor values.
Using the IRIG-B repeater function in conjunction with synchrophasors is not recommended, as the repeater adds

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-23

a 40 μs delay to the IRIG-B signal. This results in a 1° error for each consecutive device in the string as reported in
synchrophasors.

3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS 3 HARDWARE

842006A1.CDR

Tx

Tx

Tx

Tx

UR #1

UR #2

UR #3

UR #4

Rx

Rx

Rx

Rx

842007A1.CDR

Tx1

UR #1

UR #2

UR #3

UR #4

Tx1

Tx1

Tx1

Tx2

Tx2

Tx2

Tx2

Rx1

Rx1

Rx1

Rx1

Rx2

Rx2

Rx2

Rx2

3.3DIRECT INPUT AND OUTPUT COMMUNICATIONS 3.3.1 DESCRIPTION

The N60 direct inputs and outputs feature makes use of the type 7 series of communications modules. These modules are
also used by the L90 Line Differential Relay for inter-relay communications. The direct input and output feature uses the
communications channels provided by these modules to exchange digital state information between relays. This feature is
available on all UR-series relay models except for the L90 Line Differential relay.

The communications channels are normally connected in a ring configuration as shown below. The transmitter of one mod­ule is connected to the receiver of the next module. The transmitter of this second module is then connected to the receiver
of the next module in the ring. This is continued to form a communications ring. The figure below illustrates a ring of four
UR-series relays with the following connections: UR1-Tx to UR2-Rx, UR2-Tx to UR3-Rx, UR3-Tx to UR4-Rx, and UR4-Tx
to UR1-Rx. A maximum of sixteen (16) UR-series relays can be connected in a single ring

3

Figure 3–24: DIRECT INPUT AND OUTPUT SINGLE CHANNEL CONNECTION

The interconnection for dual-channel Type 7 communications modules is shown below. Two channel modules allow for a
redundant ring configuration. That is, two rings can be created to provide an additional independent data path. The required
connections are: UR1-Tx1 to UR2-Rx1, UR2-Tx1 to UR3-Rx1, UR3-Tx1 to UR4-Rx1, and UR4-Tx1 to UR1-Rx1 for the first
ring; and UR1-Tx2 to UR4-Rx2, UR4-Tx2 to UR3-Rx2, UR3-Tx2 to UR2-Rx2, and UR2-Tx2 to UR1-Rx2 for the second
ring.

The following diagram shows the connection for three UR-series relays using two independent communication channels.
UR1 and UR3 have single type 7 communication modules; UR2 has a dual-channel module. The two communication chan­nels can be of different types, depending on the Type 7 modules used. To allow the direct input and output data to cross-
over from channel 1 to channel 2 on UR2, the
forces UR2 to forward messages received on Rx1 out Tx2, and messages received on Rx2 out Tx1.

3-24 N60 Network Stability and Synchrophasor Measurement System GE Multilin

Figure 3–25: DIRECT INPUT AND OUTPUT DUAL CHANNEL CONNECTION

DIRECT I/O CHANNEL CROSSOVER setting should be “Enabled” on UR2. This

842013A1.CDR

Tx

Tx

UR #1

Channel #1

Channel #2

UR #2

UR #3

Rx

Rx

Tx1

Tx2

Rx1

Rx2

NOTE

3 HARDWARE 3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS

3

Figure 3–26: DIRECT INPUT AND OUTPUT SINGLE/DUAL CHANNEL COMBINATION CONNECTION

The interconnection requirements are described in further detail in this section for each specific variation of type 7 commu­nications module. These modules are listed in the following table. All fiber modules use ST type connectors.

Not all the direct input and output communications modules may be applicable to the N60 relay. Only the modules
specified in the order codes are available as direct input and output communications modules.

Table 3–4: CHANNEL COMMUNICATION OPTIONS (Sheet 1 of 2)

MODULE SPECIFICATION

2A C37.94SM, 1300 nm, single-mode, ELED, 1 channel single-mode

2B C37.94SM, 1300 nm, single-mode, ELED, 2 channel single-mode

2E Bi-phase, 1 channel

2F Bi-phase, 2 channel

2G IEEE C37.94, 820 nm, 128 kbps, multi-mode, LED, 1 channel

2H IEEE C37.94, 820 nm, 128 kbps, multi-mode, LED, 2 channels

2S Six-port managed Ethernet switch with high voltage power supply

2T Six-port managed Ethernet switch with low voltage power supply

72 1550 nm, single-mode, laser, 1 channel

73 1550 nm, single-mode, laser, 2 channels

74 Channel 1 - RS422; channel 2 - 1550 nm, single-mode, laser

75 Channel 1 - G.703; channel 2 - 1550 nm, single-mode, laser

76 IEEE C37.94, 820 nm, 64 kbps, multi-mode, LED, 1 channel

77 IEEE C37.94, 820 nm, 64 kbps, multi-mode, LED, 2 channels

7A 820 nm, multi-mode, LED, 1 channel

7B 1300 nm, multi-mode, LED, 1 channel

7C 1300 nm, single-mode, ELED, 1 channel

7D 1300 nm, single-mode, laser, 1 channel

7E Channel 1: G.703, Channel 2: 820 nm, multi-mode

7F Channel 1: G.703, Channel 2: 1300 nm, multi-mode

7G Channel 1: G.703, Channel 2: 1300 nm, single-mode ELED

7H 820 nm, multi-mode, LED, 2 channels

7I 1300 nm, multi-mode, LED, 2 channels

7J 1300 nm, single-mode, ELED, 2 channels

7K 1300 nm, single-mode, LASER, 2 channels

7L Channel 1: RS422, channel: 820 nm, multi-mode, LED

7M Channel 1: RS422, channel 2: 1300 nm, multi-mode, LED

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-25

3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS 3 HARDWARE

CAUTION

Module: 7A / 7B / 7C 7H / 7I / 7J

Connection Location: Slot X Slot X

1 Channel 2 Channels

RX1 RX1

RX2

TX1 TX1

TX2

831719A2.CDR

Module:

Connection Location:

73/ 7K
Slot X

72/ 7D
Slot X

1 Channel 2 Channels

RX1 RX1

RX2

TX1 TX1

TX2

831720A3.CDR

NOTICE

Table 3–4: CHANNEL COMMUNICATION OPTIONS (Sheet 2 of 2)

MODULE SPECIFICATION

7N Channel 1: RS422, channel 2: 1300 nm, single-mode, ELED

7P Channel 1: RS422, channel 2: 1300 nm, single-mode, laser

7Q Channel 1: G.703, channel 2: 1300 nm, single-mode, laser

7R G.703, 1 channel

7S G.703, 2 channels

7T RS422, 1 channel

7V RS422, 2 channels, 2 clock inputs

7W RS422, 2 channels

OBSERVING ANY FIBER TRANSMITTER OUTPUT MAY CAUSE INJURY TO THE EYE.

3

3.3.2 FIBER: LED AND ELED TRANSMITTERS

The following figure shows the configuration for the 7A, 7B, 7C, 7H, 7I, and 7J fiber-only modules.

The following figure shows the configuration for the 72, 73, 7D, and 7K fiber-laser module.

Figure 3–27: LED AND ELED FIBER MODULES

3.3.3 FIBER-LASER TRANSMITTERS

Figure 3–28: LASER FIBER MODULES

When using a laser Interface, attenuators may be necessary to ensure that you do not exceed the
maximum optical input power to the receiver.

3-26 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS

842773A2.CDR

X
X
X
X
X
X
X
X
X
X
X
X

8a
8b

7S

Rx +

Tx +

Shield

Tx –

Shield

Rx –

Tx –

Rx +

Tx +

Rx –

Inter-relay communications

2b

6a

7a

1b

1a

3a

6b

7b

2a

3b

G.703

channel 2

G.703

channel 1

Surge

Surge

831727A3.CDR

X
X
X
X
X
X
X
X
X
X
X
X

8a
8b

7S

Rx +

Tx +

Shld.

Tx -

Shld.

Rx -

Tx -

Rx +

Tx +

Rx -

COMM.

2b

6a

7a

1b

1a

3a

6b

7b

2a

3b

G.703

CHANNEL 2

G.703

CHANNEL 1

SURGE

SURGE

X
X
X
X
X
X
X
X
X
X
X
X

8a
8b

7S

Rx +

Tx +

Shld.

Tx -

Shld.

Rx -

Tx -

Rx +

Tx +

Rx -

COMM.

2b

6a

7a

1b

1a

3a

6b

7b

2a

3b

G.703

CHANNEL 2

G.703

CHANNEL 1

SURGE

SURGE

NOTE

3.3.4 G.703 INTERFACE

a) DESCRIPTION

The following figure shows the 64K ITU G.703 co-directional interface configuration.

The G.703 module is fixed at 64 kbps. The

SETTINGS  PRODUCT SETUP  DIRECT I/O  DIRECT I/O DATA RATE

setting is not applicable to this module.

AWG 24 twisted shielded pair is recommended for external connections, with the shield grounded only at one end. Con­necting the shield to pin X1a or X6a grounds the shield since these pins are internally connected to ground. Thus, if pin X1a
or X6a is used, do not ground at the other end. This interface module is protected by surge suppression devices.

3

Figure 3–29: G.703 INTERFACE CONFIGURATION

The following figure shows the typical pin interconnection between two G.703 interfaces. For the actual physical arrange­ment of these pins, see the Rear terminal assignments section earlier in this chapter. All pin interconnections are to be
maintained for a connection to a multiplexer.

Figure 3–30: TYPICAL PIN INTERCONNECTION BETWEEN TWO G.703 INTERFACES

Pin nomenclature may differ from one manufacturer to another. Therefore, it is not uncommon to see pin­outs numbered TxA, TxB, RxA and RxB. In such cases, it can be assumed that “A” is equivalent to “+” and
“B” is equivalent to “–”.

b) G.703 SELECTION SWITCH PROCEDURES

1. Remove the G.703 module (7R or 7S). The ejector/inserter clips located at the top and at the bottom of each module,
must be pulled simultaneously in order to release the module for removal. Before performing this action, control
power must be removed from the relay. The original location of the module should be recorded to help ensure that
the same or replacement module is inserted into the correct slot.

2. Remove the module cover screw.

3. Remove the top cover by sliding it towards the rear and then lift it upwards.

4. Set the timing selection switches (channel 1, channel 2) to the desired timing modes.

5. Replace the top cover and the cover screw.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-27

3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS 3 HARDWARE

6. Re-insert the G.703 module. Take care to ensure that the correct module type is inserted into the correct slot position.
The ejector/inserter clips located at the top and at the bottom of each module must be in the disengaged position as
the module is smoothly inserted into the slot. Once the clips have cleared the raised edge of the chassis, engage the
clips simultaneously. When the clips have locked into position, the module will be fully inserted.

3

Figure 3–31: G.703 TIMING SELECTION SWITCH SETTING

Table 3–5: G.703 TIMING SELECTIONS

SWITCHES FUNCTION

S1 OFF → octet timing disabled

S5 and S6 S5 = OFF and S6 = OFF → loop timing mode

c) G.703 OCTET TIMING

If octet timing is enabled (on), this 8 kHz signal will be asserted during the violation of bit 8 (LSB) necessary for connecting
to higher order systems. When N60s are connected back to back, octet timing should be disabled (off).

d) G.703 TIMING MODES

There are two timing modes for the G.703 module: internal timing mode and loop timing mode (default).

• Internal Timing Mode: The system clock is generated internally. Therefore, the G.703 timing selection should be in
the internal timing mode for back-to-back (UR-to-UR) connections. For back-to-back connections, set for octet timing
(S1 = OFF) and timing mode to internal timing (S5 = ON and S6 = OFF).

• Loop Timing Mode: The system clock is derived from the received line signal. Therefore, the G.703 timing selection
should be in loop timing mode for connections to higher order systems. For connection to a higher order system (UR­to-multiplexer, factory defaults), set to octet timing (S1 = ON) and set timing mode to loop timing (S5 = OFF and S6 =
OFF).

ON → octet timing 8 kHz

S5 = ON and S6 = OFF → internal timing mode
S5 = OFF and S6 = ON → minimum remote loopback mode
S5 = ON and S6 = ON → dual loopback mode

3-28 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS

842752A1.CDR

DMR

DMX

G7X

G7R

DMR = Differential Manchester Receiver
DMX = Differential Manchester Transmitter
G7X = G.703 Transmitter
G7R = G.703 Receiver

842774A1.CDR

DMR

DMX

G7X

G7R

DMR = Differential Manchester Receiver
DMX = Differential Manchester Transmitter
G7X = G.703 Transmitter
G7R = G.703 Receiver

842775A1.CDR

The switch settings for the internal and loop timing modes are shown below:

e) G.703 TEST MODES

In minimum remote loopback mode, the multiplexer is enabled to return the data from the external interface without any
processing to assist in diagnosing G.703 line-side problems irrespective of clock rate. Data enters from the G.703 inputs,
passes through the data stabilization latch which also restores the proper signal polarity, passes through the multiplexer
and then returns to the transmitter. The differential received data is processed and passed to the G.703 transmitter module
after which point the data is discarded. The G.703 receiver module is fully functional and continues to process data and
passes it to the differential Manchester transmitter module. Since timing is returned as it is received, the timing source is
expected to be from the G.703 line side of the interface.

3

Figure 3–32: G.703 MINIMUM REMOTE LOOPBACK MODE

In dual loopback mode, the multiplexers are active and the functions of the circuit are divided into two with each receiver/
transmitter pair linked together to deconstruct and then reconstruct their respective signals. Differential Manchester data
enters the Differential Manchester receiver module and then is returned to the differential Manchester transmitter module.
Likewise, G.703 data enters the G.703 receiver module and is passed through to the G.703 transmitter module to be
returned as G.703 data. Because of the complete split in the communications path and because, in each case, the clocks
are extracted and reconstructed with the outgoing data, in this mode there must be two independent sources of timing. One
source lies on the G.703 line side of the interface while the other lies on the differential Manchester side of the interface.

Figure 3–33: G.703 DUAL LOOPBACK MODE

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-29

3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS 3 HARDWARE

NOTE

~

~

~

~

~

~

~

~

~

~

~

~

~

~

Shield

Shield

COM

Tx +

Tx +

Tx –

Tx –

Rx –

Rx –

Rx +

Rx +

3b

5b

2a

4a

6a

7b

8b

Clock

RS422

channel 1

RS422

channel 2

Surge

3a

5a

4b

6b

7a

2b
8a

Inter-relay communications 7W

842776A3.CDR

Dual-channel RS422 module

~

~

~

~

~

Shield

Tx +

Tx –

Rx –

Rx +

3b

2a

6a

RS422

3a

4b

~

~

~

~

COM

8b

Clock

Surge

7a

2b
8a

Inter-relay comms. 7T

Single-channel RS422 module

~ indicates the slot position

3.3.5 RS422 INTERFACE

a) DESCRIPTION

There are three RS422 inter-relay communications modules available: single-channel RS422 (module 7T), dual-channel
RS422 (module 7W), and dual-channel dual-clock RS422 (module 7V). The modules can be configured to run at 64 or
128 kbps. AWG 24 twisted shielded pair cable is recommended for external connections. These modules are protected by
optically-isolated surge suppression devices.

The two-channel two-clock RS422 interface (module 7V) is intended for use with two independent channel banks
with two independent clocks. It is intended for situations where a single clock for both channels is not acceptable.

The shield pins (6a and 7b) are internally connected to the ground pin (8a). Proper shield termination is as follows:

• Site 1: Terminate shield to pins 6a or 7b or both.

3

• Site 2: Terminate shield to COM pin 2b.

The clock terminating impedance should match the impedance of the line.

The following figure shows the typical pin interconnection between two single-channel RS422 interfaces installed in slot W.
All pin interconnections are to be maintained for a connection to a multiplexer.

b) TWO-CHANNEL APPLICATION VIA MULTIPLEXERS

The RS422 interface may be used for single channel or two channel applications over SONET/SDH or multiplexed sys­tems. When used in single-channel applications, the RS422 interface links to higher order systems in a typical fashion
observing transmit (Tx), receive (Rx), and send timing (ST) connections. However, when used in two-channel applications,
certain criteria must be followed since there is one clock input for the two RS422 channels. The system will function cor­rectly if the following connections are observed and your data module has a terminal timing feature. Terminal timing is a
common feature to most synchronous data units that allows the module to accept timing from an external source. Using the
terminal timing feature, two channel applications can be achieved if these connections are followed: The send timing out­puts from the multiplexer (data module 1), will connect to the clock inputs of the UR–RS422 interface in the usual fashion.
In addition, the send timing outputs of data module 1 will also be paralleled to the terminal timing inputs of data module 2.

3-30 N60 Network Stability and Synchrophasor Measurement System GE Multilin

Figure 3–34: RS422 INTERFACE CONNECTIONS

Figure 3–35: TYPICAL PIN INTERCONNECTION BETWEEN TWO RS422 INTERFACES

3 HARDWARE 3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS

Data module 1

Data module 2

Signal name

Signal name

SD(A) - Send data

TT(A) - Terminal timing

TT(B) - Terminal timing

SD(B) - Send data

RD(A) - Received data

RD(A) - Received data

SD(A) - Send data

SD(B) - Send data

RD(B) - Received data

RD(B) - Received data

RS(A) - Request to send (RTS)

RS(A) - Request to send (RTS)

RT(A) - Receive timing

CS(A) - Clear To send

CS(A) - Clear To send

RT(B) - Receive timing

CS(B) - Clear To send

CS(B) - Clear To send

Local loopback

Local loopback

Remote loopback

Remote loopback

Signal ground

Signal ground

ST(A) - Send timing

ST(A) - Send timing

ST(B) - Send timing

ST(B) - Send timing

RS(B) - Request to send (RTS)

RS(B) - Request to send (RTS)

831022A3.CDR

W

7a

W

2b

W

8a

7W

Shld.

Shld.

Tx1(+)

Tx2(+)

Tx1(-)

Tx2(-)

Rx1(+)

Rx2(+)

+

com

Rx1(-)

Rx2(-)

–

INTER-RELAY COMMUNICATIONS

W

3a

W

5b

W

5a

W

3b

W

2a

W

6a

W

6b

W

7b

W

8b

W

4b

W

4a

RS422

CHANNEL 1

RS422

CHANNEL 2

CLOCK

SURGE

Tx Clock

Tx Data

By using this configuration, the timing for both data modules and both UR–RS422 channels will be derived from a single
clock source. As a result, data sampling for both of the UR–RS422 channels will be synchronized via the send timing leads
on data module 1 as shown below. If the terminal timing feature is not available or this type of connection is not desired, the
G.703 interface is a viable option that does not impose timing restrictions.

3

Figure 3–36: TIMING CONFIGURATION FOR RS422 TWO-CHANNEL, 3-TERMINAL APPLICATION

Data module 1 provides timing to the N60 RS422 interface via the ST(A) and ST(B) outputs. Data module 1 also provides
timing to data module 2 TT(A) and TT(B) inputs via the ST(A) and AT(B) outputs. The data module pin numbers have been
omitted in the figure above since they may vary depending on the manufacturer.

c) TRANSMIT TIMING

The RS422 interface accepts one clock input for transmit timing. It is important that the rising edge of the 64 kHz transmit
timing clock of the multiplexer interface is sampling the data in the center of the transmit data window. Therefore, it is impor­tant to confirm clock and data transitions to ensure proper system operation. For example, the following figure shows the
positive edge of the Tx clock in the center of the Tx data bit.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-31

Figure 3–37: CLOCK AND DATA TRANSITIONS

3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS 3 HARDWARE

$&'5

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aD

9

6KLHOG

5[

7[²
5[²

7[²

7[

5[²

6KLHOG

5[

7[

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FKDQQHO

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7[²
5[²

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FORFN

NOTICE

~

~

~

~

~

~

~

~

~

Shield

COM

Tx1 +

Tx1 –

Rx1 –

Rx1 +

1a

2b

3a

4b

Fiber

channel 2

Clock

(channel 1)

RS422

channel 1

Surge

1b

2a

3b

6a

8a

Tx2

Rx2

Inter-relay comms. 7L, 7M, 7N, 7P, 74

842777A1.CDR

d) RECEIVE TIMING

The RS422 interface utilizes NRZI-MARK modulation code and; therefore, does not rely on an Rx clock to recapture data.
NRZI-MARK is an edge-type, invertible, self-clocking code.

To recover the Rx clock from the data-stream, an integrated DPLL (digital phase lock loop) circuit is utilized. The DPLL is
driven by an internal clock, which is 16-times over-sampled, and uses this clock along with the data-stream to generate a
data clock that can be used as the SCC (serial communication controller) receive clock.

3.3.6 TWO-CHANNEL TWO-CLOCK RS422 INTERFACE

The two-channel two-clock RS422 interface (module 7V) is intended for use with the synchrophasor feature. The module
connections are illustrated below.

3

The following figure shows the combined RS422 plus Fiber interface configuration at 64K baud. The 7L, 7M, 7N, 7P, and 74
modules are used in two-terminal with a redundant channel or three-terminal configurations where channel 1 is employed
via the RS422 interface (possibly with a multiplexer) and channel 2 via direct fiber.

AWG 24 twisted shielded pair is recommended for external RS422 connections and the shield should be grounded only at
one end. For the direct fiber channel, power budget issues should be addressed properly.

Connections shown above are for multiplexers configured as DCE (data communications equipment) units.

3-32 N60 Network Stability and Synchrophasor Measurement System GE Multilin

Figure 3–38: TWO-CHANNEL TWO-CLOCK RS422 INTERFACE CONNECTIONS

3.3.7 RS422 AND FIBER INTERFACE

When using a laser interface, attenuators may be necessary to ensure that you do not exceed max­imum optical input power to the receiver.

Figure 3–39: RS422 AND FIBER INTERFACE CONNECTION

3 HARDWARE 3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS

3.3.8 IEEE C37.94 INTERFACE

The UR-series IEEE C37.94 communication modules (modules types 2G, 2H, 76, and 77) are designed to interface with
IEEE C37.94 compliant digital multiplexers or an IEEE C37.94 compliant interface converter for use with direct input and
output applications for firmware revisions 3.30 and higher. The IEEE C37.94 standard defines a point-to-point optical link
for synchronous data between a multiplexer and a teleprotection device. This data is typically 64 kbps, but the standard
provides for speeds up to 64n kbps, where n = 1, 2,…, 12. The UR-series C37.94 communication modules are either
64 kbps (with n fixed at 1) for 128 kbps (with n fixed at 2). The frame is a valid International Telecommunications Union
(ITU-T) recommended G.704 pattern from the standpoint of framing and data rate. The frame is 256 bits and is repeated at
a frame rate of 8000 Hz, with a resultant bit rate of 2048 kbps.

The specifications for the module are as follows:.

• IEEE standard: C37.94 for 1 × 128 kbps optical fiber interface (for 2G and 2H modules) or C37.94 for 2 × 64 kbps opti-

cal fiber interface (for 76 and 77 modules).

• Fiber optic cable type: 50 mm or 62.5 mm core diameter optical fiber.

• Fiber optic mode: multi-mode.

• Fiber optic cable length: up to 2 km.

• Fiber optic connector: type ST.

• Wavelength: 830 ±40 nm.

• Connection: as per all fiber optic connections, a Tx to Rx connection is required.

The UR-series C37.94 communication module can be connected directly to any compliant digital multiplexer that supports
the IEEE C37.94 standard as shown below.

3

The UR-series C37.94 communication module can be connected to the electrical interface (G.703, RS422, or X.21) of a
non-compliant digital multiplexer via an optical-to-electrical interface converter that supports the IEEE C37.94 standard, as
shown below.

In 2008, GE Digital Energy released revised modules 76 and 77 for C37.94 communication to enable multi-ended fault
location functionality with firmware 5.60 release and higher. All modules 76 and 77 shipped since the change support this
feature and are fully backward compatible with firmware releases below 5.60. For customers using firmware release 5.60
and higher, the module can be identified with "Rev D" printed on the module and is to be used on all ends of N60 communi­cation for two and three terminal applications. Failure to use it at all ends results in intermittent communication alarms. For
customers using firmware revisions below 5.60, it is not required to match the revision of the modules installed.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-33

3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS 3 HARDWARE

842753A1.CDR

The UR-series C37.94 communication module has six switches that are used to set the clock configuration. The functions
of these control switches is shown below.

For the internal timing mode, the system clock is generated internally. therefore, the timing switch selection should be inter­nal timing for relay 1 and loop timed for relay 2. There must be only one timing source configured.

3

For the looped timing mode, the system clock is derived from the received line signal. Therefore, the timing selection
should be in loop timing mode for connections to higher order systems.

The IEEE C37.94 communications module cover removal procedure is as follows:

1. Remove the IEEE C37.94 module (type 2G, 2H, 76, or 77 module):

The ejector/inserter clips located at the top and at the bottom of each module, must be pulled simultaneously in order
to release the module for removal. Before performing this action, control power must be removed from the relay.
The original location of the module should be recorded to help ensure that the same or replacement module is inserted
into the correct slot.

2. Remove the module cover screw.

3. Remove the top cover by sliding it towards the rear and then lift it upwards.

4. Set the timing selection switches (channel 1, channel 2) to the desired timing modes (see description above).

5. Replace the top cover and the cover screw.

6. Re-insert the IEEE C37.94 module. Take care to ensure that the correct module type is inserted into the correct slot
position. The ejector/inserter clips located at the top and at the bottom of each module must be in the disengaged posi­tion as the module is smoothly inserted into the slot. Once the clips have cleared the raised edge of the chassis,
engage the clips simultaneously. When the clips have locked into position, the module will be fully inserted.

3-34 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.3 DIRECT INPUT AND OUTPUT COMMUNICATIONS

3

Figure 3–40: IEEE C37.94 TIMING SELECTION SWITCH SETTING

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-35

3.4 MANAGED ETHERNET SWITCH MODULES 3 HARDWARE

NOTE

842867A2.CDR

Two 10/100Base-T
ports

Four 100Base-FX
multimode ports
with ST connectors

Independent power
supply. Options:

2S: high-voltage
2T: low-voltage

RS232

console port

REAR VIEW

FRONT VIEW

3.4MANAGED ETHERNET SWITCH MODULES 3.4.1 OVERVIEW

The type 2S and 2T embedded managed switch modules are supported by UR-series relays containing type 9S CPU mod­ules with revisions 5.5x and higher. The modules communicate to the N60 through an internal Ethernet port (referred to as
the UR port or port 7) and provide an additional six external Ethernet ports: two 10/100Base-T ports and four multimode ST
100Base-FX ports.

The Ethernet switch module should be powered up before or at the same time as the N60. Otherwise, the switch
module will not be detected on power up and the

EQUIPMENT MISMATCH: ORDERCODE XXX self-test warning will be

issued.

3.4.2 MANAGED ETHERNET SWITCH MODULE HARDWARE

The type 2S and 2T managed Ethernet switch modules provide two 10/100Base-T and four multimode ST 100Base-FX

3

external Ethernet ports accessible through the rear of the module. In addition, a serial console port is accessible from the
front of the module (requires the front panel faceplate to be open).

The pin assignment for the console port signals is shown in the following table.

Table 3–6: CONSOLE PORT PIN ASSIGNMENT

PIN SIGNAL DESCRIPTION

1 CD Carrier detect (not used)

2 RXD Receive data (input)

3 TXD Transmit data (output)

4 N/A Not used

5 GND Signal ground

6 to 9 N/A Not used

Figure 3–41: MANAGED ETHERNET SWITCHES HARDWARE

3-36 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.4 MANAGED ETHERNET SWITCH MODULES

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842868A2.CDR

Connection speed indicator (OFF = 10 Mbps; ON = 100 Mbps)
Link indicator (ON = link active; FLASHING = activity)

Duplex mode indicator (OFF = half-duplex; ON = full-duplex)

Link indicator (ON = link active; FLASHING = activity)

CAUTION

The wiring for the managed Ethernet switch module is shown below.

Figure 3–42: MANAGED ETHERNET SWITCH MODULE WIRING

3.4.3 MANAGED SWITCH LED INDICATORS

The 10/100Base-T and 100Base-FX ports have LED indicators to indicate the port status.

The 10/100Base-T ports have three LEDs to indicate connection speed, duplex mode, and link activity. The 100Base-FX
ports have one LED to indicate linkup and activity.

3

Figure 3–43: ETHERNET SWITCH LED INDICATORS

3.4.4 CONFIGURING THE MANAGED ETHERNET SWITCH MODULE

A suitable IP/gateway and subnet mask must be assigned to both the switch and the UR relay for correct operation. The
Switch has been shipped with a default IP address of 192.168.1.2 and a subnet mask of 255.255.255.0. Consult your net­work administrator to determine if the default IP address, subnet mask or default gateway needs to be modified.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-37

Do not connect to network while configuring the switch module.

3.4 MANAGED ETHERNET SWITCH MODULES 3 HARDWARE

a) CONFIGURING THE SWITCH MODULE IP SETTINGS

In our example configuration of both the Switch’s IP address and subnet mask must be changed to 3.94.247.229 and

255.255.252.0 respectively. The IP address, subnet mask and default gateway can be configured using either EnerVista

UR Setup software, the Switch’s Secure Web Management (SWM), or through the console port using CLI.

1. Select the Settings > Product Setup > Communications > Ethernet Switch > Configure IP menu item to open the
Ethernet switch configuration window.

3

2. Enter “3.94.247.229” in the IP Address field and “255.255.252.0” in the Subnet Mask field, then click OK.

The software will send the new settings to the N60 and prompt as follows when complete.

3. Cycle power to the N60 and switch module to activate the new settings.

b) SAVING THE ETHERNET SWITCH SETTINGS TO A SETTINGS FILE

The N60 allows the settings information for the Ethernet switch module to be saved locally as a settings file. This file con­tains the advanced configuration details for the switch not contained within the standard N60 settings file.

This feature allows the switch module settings to be saved locally before performing firmware upgrades. Saving settings
files is also highly recommended before making any change to the module configuration or creating new setting files.

The following procedure describes how to save local settings files for the Ethernet switch module.

1. Select the desired device from site tree in the online window.

2. Select the Settings > Product Setup > Communications > Ethernet Switch > Ethernet Switch Settings File >
Retreive Settings File item from the device settings tree.

3-38 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.4 MANAGED ETHERNET SWITCH MODULES

NOTE

The system will request the name and destination path for the settings file.

3. Enter an appropriate folder and file name and click Save.

All settings files will be saved as text files and the corresponding file extension automatically assigned.

c) UPLOADING ETHERNET SWITCH SETTINGS FILES TO THE MODULE

The following procedure describes how to upload local settings files to the Ethernet switch module. It is highly recom­mended that the current settings are saved to a settings file before uploading a new settings file.

It is highly recommended to place the switch offline while transferring setting files to the switch. When transferring
settings files from one switch to another, the user must reconfigure the IP address.

3

1. Select the desired device from site tree in the online window.

2. Select the Settings > Product Setup > Communications > Ethernet Switch > Ethernet Switch Settings File >

Transfer Settings File item from the device settings tree.

The system will request the name and destination path for the settings file.

3. Navigate to the folder containing the Ethernet switch settings file, select the file, then click Open.

The settings file will be transferred to the Ethernet switch and the settings uploaded to the device.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-39

3.4 MANAGED ETHERNET SWITCH MODULES 3 HARDWARE

NOTE

NOTE

Version: 2.1 beta

842869A1.CDR

3.4.5 UPLOADING N60 SWITCH MODULE FIRMWARE

a) DESCRIPTION

This section describes the process for upgrading firmware on a UR-2S or UR-2T switch module.

There are several ways of updating firmware on a switch module:

• Using the EnerVista UR Setup software.

• Serially using the N60 switch module console port.

• Using FTP or TFTP through the N60 switch module console port.

It is highly recommended to use the EnerVista UR Setup software to upgrade firmware on a N60 switch module.

Firmware upgrades using the serial port, TFTP, and FTP are described in detail in the switch module manual.

3

b) SELECTING THE PROPER SWITCH FIRMWARE VERSION

The latest switch module firmware is available as a download from the GE Multilin web site. Use the following procedure to
determine the version of firmware currently installed on your switch

1. Log into the switch using the EnerVista web interface.

The default switch login ID is “manager” and the default password is “manager”.

The firmware version installed on the switch will appear on the lower left corner of the screen.

2. Using the EnerVista UR Setup program, select the Settings > Product Setup > Communications > Ethernet Switch
> Firmware Upload menu item.

3-40 N60 Network Stability and Synchrophasor Measurement System GE Multilin

3 HARDWARE 3.4 MANAGED ETHERNET SWITCH MODULES

NOTE

The following popup screen will appear warning that the settings will be lost when the firmware is upgraded.

It is highly recommended that you save the switch settings before upgrading the firmware.

3. After saving the settings file, proceed with the firmware upload by selecting Yes to the above warning.

Another window will open, asking you to point to the location of the firmware file to be uploaded.

4. Select the firmware file to be loaded on to the Switch, and select the Open option.

3

The following window will pop up, indicating that the firmware file transfer is in progress.

If the firmware load was successful, the following window will appear:

Note

GE Multilin N60 Network Stability and Synchrophasor Measurement System 3-41

3.4 MANAGED ETHERNET SWITCH MODULES 3 HARDWARE

NOTE

The switch will automatically reboot after a successful firmware file transfer.

5. Once the firmware has been successfully uploaded to the switch module, load the settings file using the procedure
described earlier.

3.4.6 ETHERNET SWITCH SELF-TEST ERRORS

The following table provides details about Ethernet module self-test errors.

Be sure to enable the
and the relevant

ETHERNET SWITCH menu.

3

Table 3–7: ETHERNET SWITCH SELF-TEST ERRORS

ACTIVATION SETTING (SET
AS ENABLED)

ETHERNET SWITCH FAIL ETHERNET MODULE

PORT 1 EVENTS to PORT 6
EVENTS

No setting required; the N60
will read the state of a general
purpose input/output port on
the main CPU upon power-up
and create the error if there is a
conflict between the input/
output state and the order
code.

ETHERNET SWITCH FAIL setting in the PRODUCT SETUP  USER-PROGRAMMABLE SELF-TESTS menu

PORT 1 EVENTS through PORT 6 EVENTS settings under the PRODUCT SETUP  COMMUNICATIONS 

EVENT NAME EVENT CAUSE POSSIBLE CAUSES

OFFLINE

ETHERNET PORT 1
OFFLINE to ETHERNET
PORT 6 OFFLINE

EQUIPMENT
MISMATCH: Card XXX
Missing

No response has been
received from the Ethernet
module after five successive
polling attempts.

An active Ethernet port has
returned a FAILED status.

The N60 has not detected the
presence of the Ethernet
switch via the bus board.

• Loss of switch power.

• IP/gateway/subnet.

• Incompatibility between the CPU and
the switch module.

• UR port (port 7) configured incorrectly
or blocked

• Switch IP address assigned to another
device in the same network.

• Ethernet connection broken.

• An inactive port’s events have been
enabled.

The N60 failed to see the switch module
on power-up, because switch won’t
power up or is still powering up. To clear
the fault, cycle power to the N60.

3-42 N60 Network Stability and Synchrophasor Measurement System GE Multilin

4 HUMAN INTERFACES 4.1 ENERVISTA UR SETUP SOFTWARE INTERFACE

4 HUMAN INTERFACES 4.1ENERVISTA UR SETUP SOFTWARE INTERFACE 4.1.1 INTRODUCTION

The EnerVista UR Setup software provides a graphical user interface (GUI) as one of two human interfaces to a UR device.
The alternate human interface is implemented via the device’s faceplate keypad and display (refer to the Faceplate inter-
face section in this chapter).

The EnerVista UR Setup software provides a single facility to configure, monitor, maintain, and trouble-shoot the operation
of relay functions, connected over local or wide area communication networks. It can be used while disconnected (off-line)
or connected (on-line) to a UR device. In off-line mode, settings files can be created for eventual downloading to the device.
In on-line mode, you can communicate with the device in real-time.

The EnerVista UR Setup software, provided with every N60 relay, can be run from any computer supporting Microsoft

®

95, 98, NT, 2000, ME, and XP. This chapter provides a summary of the basic EnerVista UR Setup software interface

dows
features. The EnerVista UR Setup Help File provides details for getting started and using the EnerVista UR Setup software
interface.

4.1.2 CREATING A SITE LIST

To start using the EnerVista UR Setup software, a site definition and device definition must first be created. See the EnerV­ista UR Setup Help File or refer to the Connecting EnerVista UR Setup with the N60 section in Chapter 1 for details.

4.1.3 ENERVISTA UR SETUP OVERVIEW

a) ENGAGING A DEVICE

The EnerVista UR Setup software may be used in on-line mode (relay connected) to directly communicate with the N60
relay. Communicating relays are organized and grouped by communication interfaces and into sites. Sites may contain any
number of relays selected from the UR-series of relays.

Win-

4

b) USING SETTINGS FILES

The EnerVista UR Setup software interface supports three ways of handling changes to relay settings:

• In off-line mode (relay disconnected) to create or edit relay settings files for later download to communicating relays.

• While connected to a communicating relay to directly modify any relay settings via relay data view windows, and then
save the settings to the relay.

• You can create/edit settings files and then write them to the relay while the interface is connected to the relay.

Settings files are organized on the basis of file names assigned by the user. A settings file contains data pertaining to the
following types of relay settings:

• Device definition

• Product setup

• System setup

• FlexLogic™

• Grouped elements

• Control elements

• Inputs/outputs

• Testing

Factory default values are supplied and can be restored after any changes.

The following communications settings are not transferred to the N60 with settings files.

Modbus Slave Address
Modbus IP Port Number
RS485 COM1 Baud Rate
RS485 COM1 Parity
COM1 Minimum Response Time

GE Multilin N60 Network Stability and Synchrophasor Measurement System 4-1

4.1 ENERVISTA UR SETUP SOFTWARE INTERFACE 4 HUMAN INTERFACES

NOTE

RS485 COM2 Baud Rate
RS485 COM2 Parity
COM2 Minimum Response Time
COM2 Selection
RRTD Slave Address
RRTD Baud Rate
IP Address
IP Subnet Mask
Gateway IP Address
Ethernet Sub Module Serial Number
Network Address NSAP
IEC61850 Config GOOSE ConfRev

c) CREATING AND EDITING FLEXLOGIC™

You can create or edit a FlexLogic™ equation in order to customize the relay. You can subsequently view the automatically
generated logic diagram.

d) VIEWING ACTUAL VALUES

4

You can view real-time relay data such as input/output status and measured parameters.

e) VIEWING TRIGGERED EVENTS

While the interface is in either on-line or off-line mode, you can view and analyze data generated by triggered specified
parameters, via one of the following:

• Event Recorder facility: The event recorder captures contextual data associated with the last 1024 events, listed in
chronological order from most recent to oldest.

• Oscillography facility: The oscillography waveform traces and digital states are used to provide a visual display of
power system and relay operation data captured during specific triggered events.

f) FILE SUPPORT

• Execution: Any EnerVista UR Setup file which is double clicked or opened will launch the application, or provide focus
to the already opened application. If the file was a settings file (has a URS extension) which had been removed from
the Settings List tree menu, it will be added back to the Settings List tree menu.

• Drag and Drop: The Site List and Settings List control bar windows are each mutually a drag source and a drop target
for device-order-code-compatible files or individual menu items. Also, the Settings List control bar window and any
Windows Explorer directory folder are each mutually a file drag source and drop target.

New files which are dropped into the Settings List window are added to the tree which is automatically sorted alphabet­ically with respect to settings file names. Files or individual menu items which are dropped in the selected device menu
in the Site List window will automatically be sent to the on-line communicating device.

g) FIRMWARE UPGRADES

The firmware of a N60 device can be upgraded, locally or remotely, via the EnerVista UR Setup software. The correspond­ing instructions are provided by the EnerVista UR Setup Help file under the topic “Upgrading Firmware”.

Modbus addresses assigned to firmware modules, features, settings, and corresponding data items (i.e. default
values, minimum/maximum values, data type, and item size) may change slightly from version to version of firm­ware. The addresses are rearranged when new features are added or existing features are enhanced or modified.

EEPROM DATA ERROR message displayed after upgrading/downgrading the firmware is a resettable, self-test

The
message intended to inform users that the Modbus addresses have changed with the upgraded firmware. This
message does not signal any problems when appearing after firmware upgrades.

4-2 N60 Network Stability and Synchrophasor Measurement System GE Multilin

4 HUMAN INTERFACES 4.1 ENERVISTA UR SETUP SOFTWARE INTERFACE

1

2

3

4

5

6

7

8

9

842786A2.CDR

10

4.1.4 ENERVISTA UR SETUP MAIN WINDOW

The EnerVista UR Setup software main window supports the following primary display components:

1. Title bar which shows the pathname of the active data view.

2. Main window menu bar.

3. Main window tool bar.

4. Site list control bar window.

5. Settings list control bar window.

6. Device data view windows, with common tool bar.

7. Settings file data view windows, with common tool bar.

8. Workspace area with data view tabs.

9. Status bar.

10. Quick action hot links.

4

Figure 4–1: ENERVISTA UR SETUP SOFTWARE MAIN WINDOW

GE Multilin N60 Network Stability and Synchrophasor Measurement System 4-3

4.2 EXTENDED ENERVISTA UR SETUP FEATURES 4 HUMAN INTERFACES

NOTE

4.2EXTENDED ENERVISTA UR SETUP FEATURES 4.2.1 SETTINGS TEMPLATES

Setting file templates simplify the configuration and commissioning of multiple relays that protect similar assets. An exam­ple of this is a substation that has ten similar feeders protected by ten UR-series F60 relays.

In these situations, typically 90% or greater of the settings are identical between all devices. The templates feature allows
engineers to configure and test these common settings, then lock them so they are not available to users. For example,
these locked down settings can be hidden from view for field engineers, allowing them to quickly identify and concentrate
on the specific settings.

The remaining settings (typically 10% or less) can be specified as editable and be made available to field engineers install­ing the devices. These will be settings such as protection element pickup values and CT and VT ratios.

The settings template mode allows the user to define which settings will be visible in EnerVista UR Setup. Settings tem­plates can be applied to both settings files (settings file templates) and online devices (online settings templates). The func­tionality is identical for both purposes.

The settings template feature requires that both the EnerVista UR Setup software and the N60 firmware are at ver­sions 5.40 or higher.

a) ENABLING THE SETTINGS TEMPLATE

4

The settings file template feature is disabled by default. The following procedure describes how to enable the settings tem­plate for UR-series settings files.

1. Select a settings file from the offline window of the EnerVista UR Setup main screen.

2. Right-click on the selected device or settings file and select the Template Mode > Create Template option.

The settings file template is now enabled and the file tree displayed in light blue. The settings file is now in template editing
mode.

Alternatively, the settings template can also be applied to online settings. The following procedure describes this process.

1. Select an installed device from the online window of the EnerVista UR Setup main screen.

2. Right-click on the selected device and select the Template Mode > Create Template option.

The software will prompt for a template password. This password is required to use the template feature and must be
at least four characters in length.

3. Enter and re-enter the new password, then click OK to continue.

The online settings template is now enabled. The device is now in template editing mode.

b) EDITING THE SETTINGS TEMPLATE

The settings template editing feature allows the user to specify which settings are available for viewing and modification in
EnerVista UR Setup. By default, all settings except the FlexLogic™ equation editor settings are locked.

1. Select an installed device or a settings file from the tree menu on the left of the EnerVista UR Setup main screen.

2. Select the Template Mode > Edit Template option to place the device in template editing mode.

3. Enter the template password then click OK.

4. Open the relevant settings windows that contain settings to be specified as viewable.

4-4 N60 Network Stability and Synchrophasor Measurement System GE Multilin

4 HUMAN INTERFACES 4.2 EXTENDED ENERVISTA UR SETUP FEATURES

By default, all settings are specified as locked and displayed against a grey background. The icon on the upper right of
the settings window will also indicate that EnerVista UR Setup is in EDIT mode. The following example shows the
phase time overcurrent settings window in edit mode.

Figure 4–2: SETTINGS TEMPLATE VIEW, ALL SETTINGS SPECIFIED AS LOCKED

5. Specify which settings to make viewable by clicking on them.

The setting available to view will be displayed against a yellow background as shown below.

4

Figure 4–3: SETTINGS TEMPLATE VIEW, TWO SETTINGS SPECIFIED AS EDITABLE

6. Click on Save to save changes to the settings template.

7. Proceed through the settings tree to specify all viewable settings.

c) ADDING PASSWORD PROTECTION TO A TEMPLATE

It is highly recommended that templates be saved with password protection to maximize security.

The following procedure describes how to add password protection to a settings file template.

1. Select a settings file from the offline window on the left of the EnerVista UR Setup main screen.

2. Selecting the Template Mode > Password Protect Template option.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 4-5

4.2 EXTENDED ENERVISTA UR SETUP FEATURES 4 HUMAN INTERFACES

NOTE

Phase time overcurrent settings window without template applied.

Phase time overcurrent window with template applied via
the command.
The template specifies that only the and
settings be available.

Template Mode > View In Template Mode

Pickup Curve

842858A1.CDR

The software will prompt for a template password. This password must be at least four characters in length.

3. Enter and re-enter the new password, then click OK to continue.

The settings file template is now secured with password protection.

When templates are created for online settings, the password is added during the initial template creation step. It
does not need to be added after the template is created.

d) VIEWING THE SETTINGS TEMPLATE

Once all necessary settings are specified for viewing, users are able to view the settings template on the online device or
settings file. There are two ways to specify the settings view with the settings template feature:

4

• Display only those settings available for editing.

• Display all settings, with settings not available for editing greyed-out.

Use the following procedure to only display settings available for editing.

1. Select an installed device or a settings file from the tree menu on the left of the EnerVista UR Setup main screen.

2. Apply the template by selecting the Template Mode > View In Template Mode option.

3. Enter the template password then click OK to apply the template.

Once the template has been applied, users will only be able to view and edit the settings specified by the template. The
effect of applying the template to the phase time overcurrent settings is shown below.

Figure 4–4: APPLYING TEMPLATES VIA THE VIEW IN TEMPLATE MODE COMMAND

4-6 N60 Network Stability and Synchrophasor Measurement System GE Multilin

4 HUMAN INTERFACES 4.2 EXTENDED ENERVISTA UR SETUP FEATURES

Typical settings tree view without template applied. Typical settings tree view with template applied via

the
command.

Template Mode > View In Template Mode

842860A1.CDR

Phase time overcurrent settings window without template applied. Phase time overcurrent window with template applied via

the command.
The template specifies that only the and
settings be available.

Template Mode > View All Settings

Pickup Curve

842859A1.CDR

Viewing the settings in template mode also modifies the settings tree, showing only the settings categories that contain
editable settings. The effect of applying the template to a typical settings tree view is shown below.

Figure 4–5: APPLYING TEMPLATES VIA THE VIEW IN TEMPLATE MODE SETTINGS COMMAND

Use the following procedure to display settings available for editing and settings locked by the template.

1. Select an installed device or a settings file from the tree menu on the left of the EnerVista UR Setup main screen.

2. Apply the template by selecting the Template Mode > View All Settings option.

3. Enter the template password then click OK to apply the template.

Once the template has been applied, users will only be able to edit the settings specified by the template, but all settings
will be shown. The effect of applying the template to the phase time overcurrent settings is shown below.

4

Figure 4–6: APPLYING TEMPLATES VIA THE VIEW ALL SETTINGS COMMAND

e) REMOVING THE SETTINGS TEMPLATE

It may be necessary at some point to remove a settings template. Once a template is removed, it cannot be reapplied and
it will be necessary to define a new settings template.

1. Select an installed device or settings file from the tree menu on the left of the EnerVista UR Setup main screen.

2. Select the Template Mode > Remove Settings Template option.

3. Enter the template password and click OK to continue.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 4-7

4.2 EXTENDED ENERVISTA UR SETUP FEATURES 4 HUMAN INTERFACES

4. Verify one more time that you wish to remove the template by clicking Yes.

The EnerVista software will remove all template information and all settings will be available.

4.2.2 SECURING AND LOCKING FLEXLOGIC™ EQUATIONS

The UR allows users to secure parts or all of a FlexLogic™ equation, preventing unauthorized viewing or modification of
critical FlexLogic™ applications. This is accomplished using the settings template feature to lock individual entries within
FlexLogic™ equations.

Secured FlexLogic™ equations will remain secure when files are sent to and retrieved from any UR-series device.

a) LOCKING FLEXLOGIC™ EQUATION ENTRIES

The following procedure describes how to lock individual entries of a FlexLogic™ equation.

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1. Right-click the settings file or online device and select the Template Mode > Create Template item to enable the set-
tings template feature.

2. Select the FlexLogic > FlexLogic Equation Editor settings menu item.

By default, all FlexLogic™ entries are specified as viewable and displayed against a yellow background. The icon on
the upper right of the window will also indicate that EnerVista UR Setup is in EDIT mode.

3. Specify which entries to lock by clicking on them.

The locked entries will be displayed against a grey background as shown in the example below.

Figure 4–7: LOCKING FLEXLOGIC™ ENTRIES IN EDIT MODE

4. Click on Save to save and apply changes to the settings template.

5. Select the Template Mode > View In Template Mode option to view the template.

6. Apply a password to the template then click OK to secure the FlexLogic™ equation.

4-8 N60 Network Stability and Synchrophasor Measurement System GE Multilin

4 HUMAN INTERFACES 4.2 EXTENDED ENERVISTA UR SETUP FEATURES

Typical FlexLogic™ entries without template applied. Typical locked with template via

the command.Template Mode > View In Template Mode

FlexLogic™ entries

842861A1.CDR

Once the template has been applied, users will only be able to view and edit the FlexLogic™ entries not locked by the tem­plate. The effect of applying the template to the FlexLogic™ entries in the above procedure is shown below.

Figure 4–8: LOCKING FLEXLOGIC ENTRIES THROUGH SETTING TEMPLATES

The FlexLogic™ entries are also shown as locked in the graphical view (as shown below) and on the front panel display.

Figure 4–9: SECURED FLEXLOGIC™ IN GRAPHICAL VIEW

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b) LOCKING FLEXLOGIC™ EQUATIONS TO A SERIAL NUMBER

A settings file and associated FlexLogic™ equations can also be locked to a specific UR serial number. Once the desired
FlexLogic™ entries in a settings file have been secured, use the following procedure to lock the settings file to a specific
serial number.

1. Select the settings file in the offline window.

2. Right-click on the file and select the Edit Settings File Properties item.

GE Multilin N60 Network Stability and Synchrophasor Measurement System 4-9

4.2 EXTENDED ENERVISTA UR SETUP FEATURES 4 HUMAN INTERFACES

2

The serial number and last setting change date
are stored in the UR-series device.

The serial number of the UR-series device and the file transfer
date are added to the settings file when settings files
are transferred to the device.

842864A1.CDR

Compare transfer dates in the settings file and the
UR-series device to determine if security
has been compromised.

1

SETTINGS FILE TRANSFERRED
TO UR-SERIES DEVICE

SERIAL NUMBER AND TRANSFER DATE
SENT BACK TO ENERVISTA AND
ADDED TO SETTINGS FILE.

The following window is displayed.

Figure 4–10: TYPICAL SETTINGS FILE PROPERTIES WINDOW

3. Enter the serial number of the N60 device to lock to the settings file in the Serial # Lock field.

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The settings file and corresponding secure FlexLogic™ equations are now locked to the N60 device specified by the serial
number.

4.2.3 SETTINGS FILE TRACEABILITY

A traceability feature for settings files allows the user to quickly determine if the settings in a N60 device have been
changed since the time of installation from a settings file. When a settings file is transfered to a N60 device, the date, time,
and serial number of the N60 are sent back to EnerVista UR Setup and added to the settings file on the local PC. This infor­mation can be compared with the N60 actual values at any later date to determine if security has been compromised.

The traceability information is only included in the settings file if a complete settings file is either transferred to the N60
device or obtained from the N60 device. Any partial settings transfers by way of drag and drop do not add the traceability
information to the settings file.

Figure 4–11: SETTINGS FILE TRACEABILITY MECHANISM

With respect to the above diagram, the traceability feature is used as follows.

4-10 N60 Network Stability and Synchrophasor Measurement System GE Multilin