DSE7300
DSECONTROL
®
DSE7200 / DSE7300 Series Control Module
Document number 057-074
Author : Anthony Manton
DSE Model 7000 Series Control and Instrumentation System Operators Manual
2
Part No. 057-074 7000 Series OPERATING MANUAL ISSUE 5 15/10/2009 ADM
Deep Sea Electronics Plc
Highfield House
Hunmanby
North Yorkshire
YO14 0PH
ENGLAND
Sales Tel: +44 (0) 1723 890099
Sales Fax: +44 (0) 1723 893303
E-mail: sales@deepseaplc.com
Website:
www.deepseaplc.com
DSE Model 7200 / 7300 series Control and Instrumentation System Operators Manual
© Deep Sea Electronics Plc
All rights reserved. No part of this publication may be reproduced in any material form (including photocopying or storing in any
medium by electronic means or other) without the written permission of the copyright holder except in accordance with the
provisions of the Copyright, Designs and Patents Act 1988.
Applications for the copyright holder’s written permission to reproduce any part of this publication should be addressed to Deep
Sea Electronics Plc at the address above.
The DSE logo and the names DSEUltra, DSEControl, DSEPower, DSEExtra, DSEMarine and DSENet are UK registered
trademarks of Deep Sea Electronics PLC.
Any reference to trademarked product names used within this publication is owned by their respective companies.
Deep Sea Electronics Plc reserves the right to change the contents of this document without prior notice.
Amendments since last publication
Amd. No. Comments
1 Added Maintenance Alarm
2 Added manual fuel pump and manual speed control (Issue 2.1)
3 Added more detail to many sections of the manual (Issue 2.1) including CTs, Earth Fault, Overcurrent, RS232,
Modem, RS485, external sounder, expansion modules (DSE2100 series),
4 Added changes to Dual Mutual, Fuel usage, dummy load control, load shedding, protections disabled, 2500
series display (for version 4 module additions)
5 Additions for V5 modules including modem diagnostics and updated front panel editor details including
scheduler editing.
Clarification of notation used within this publication.
NOTE:
Highlights an essential element of a procedure to ensure correctness.
CAUTION!
Indicates a procedure or practice, which, if not strictly observed, could result in damage or
destruction of equipment.
WARNING!
Indicates a procedure or practice, which could result in injury to personnel or loss of life if not
followed correctly.
DSE Model 7000 Series Control & Instrumentation System Operators Manual
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TABLE OF CONTENTS
Section Page
1
BIBLIOGRAPHY .............................................................................................. 6
1.1
INSTALLATION INSTRUCTIONS ....................................................................................... 6
1.2
TRAINING GUIDES ............................................................................................................. 6
1.3
MANUALS ............................................................................................................................ 6
2
INTRODUCTION .............................................................................................. 7
3
SPECIFICATIONS ............................................................................................ 8
3.1
PART NUMBERING ............................................................................................................ 8
3.2
MODEL NAMING ................................................................................................................. 8
3.2.1
SHORT NAMES ............................................................................................................ 8
3.3
TERMINAL SPECIFICATION .............................................................................................. 9
3.4
POWER SUPPLY REQUIREMENTS .................................................................................. 9
3.5
GENERATOR AND MAINS VOLTAGE / FREQUENCY SENSING .................................... 9
3.6
GENERATOR CURRENT SENSING ................................................................................. 10
3.7
INPUTS .............................................................................................................................. 10
3.7.1
DIGITAL INPUTS ........................................................................................................ 10
3.7.2
ANALOGUE INPUTS .................................................................................................. 10
3.7.3
CHARGE FAIL INPUT ................................................................................................ 11
3.7.4
MAGNETIC PICKUP ................................................................................................... 12
3.8
OUTPUTS .......................................................................................................................... 12
3.8.1
OUTPUTS A & B ......................................................................................................... 12
3.8.2
OUTPUTS C & D ........................................................................................................ 12
3.8.3
OUTPUTS E,F,G & H ................................................................................................. 12
3.9
COMMUNICATION PORTS .............................................................................................. 13
3.10
COMMUNICATION PORT USAGE .............................................................................. 13
3.10.1
CAN INTERFACE ...................................................................................................... 13
3.10.2
USB CONNECTION ................................................................................................... 14
3.10.3
RS232 ......................................................................................................................... 15
3.10.4
RS485 ......................................................................................................................... 16
3.11
DSENET® FOR EXPANSION MODULES .................................................................... 17
3.11.1
DSENET® USED FOR MODBUS ENGINE CONNECTION ...................................... 17
3.12
SOUNDER ...................................................................................................................... 18
3.12.1
ADDING AN EXTERNAL SOUNDER TO THE APPLICATION .................................. 18
3.13
ACCUMULATED INSTRUMENTATION ........................................................................ 18
3.14
DIMENSIONS AND MOUNTING ................................................................................... 19
3.14.1.1
DIMENSIONS .................................................................................................................................. 19
3.14.2
FIXING CLIPS ............................................................................................................. 20
3.14.3
CABLE TIE FIXING POINTS ...................................................................................... 21
3.14.4
SILICON SEALING GASKET...................................................................................... 21
3.15
APPLICABLE STANDARDS .......................................................................................... 22
3.15.1
ENCLOSURE CLASSIFICATIONS ............................................................................. 23
IP CLASSIFICATIONS ........................................................................................................................................... 23
NEMA CLASSIFICATIONS .................................................................................................................................... 24
4
INSTALLATION .............................................................................................. 25
4.1
USER CONNECTIONS ...................................................................................................... 25
4.2
TERMINAL DESCRIPTION ............................................................................................... 26
4.2.1
DC SUPPLY, FUEL AND START OUTPUTS ............................................................. 26
4.2.2
ANALOGUE SENSORS .............................................................................................. 27
4.2.3
MAGNETIC PICKUP, CAN AND EXPANSION .......................................................... 28
4.2.4
LOAD SWITCHING AND GENERATOR VOLTAGE SENSING ................................. 29
4.2.5
MAINS VOLTAGE SENSING...................................................................................... 29
4.2.6
GENERATOR CURRENT TRANSFORMERS ........................................................... 30
4.2.7
CONFIGURABLE DIGITAL INPUTS .......................................................................... 32
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4.2.8
PC CONFIGURATION INTERFACE CONNECTOR .................................................. 32
4.2.9
RS485 CONNECTOR ................................................................................................. 33
4.2.10
RS232 CONNECTOR ................................................................................................. 33
4.3
TYPICAL WIRING DIAGRAMS ......................................................................................... 34
4.3.1
7210 AUTOSTART CONTROLLER ............................................................................ 35
4.3.2
7220 AMF CONTROLLER .......................................................................................... 36
4.3.3
7310 AUTOSTART CONTROLLER ............................................................................ 37
4.3.4
7320 AMF CONTROLLER .......................................................................................... 38
4.3.5
DSENET® ................................................................................................................... 39
4.3.6
CONNECTIONS FOR DUAL MUTUAL STANDBY ..................................................... 40
4.3.7
EARTH SYSTEMS ...................................................................................................... 41
4.3.7.1
NEGATIVE EARTH .............................................................................................................................. 41
4.3.7.2
POSITIVE EARTH ............................................................................................................................... 41
4.3.7.3
FLOATING EARTH .............................................................................................................................. 41
4.4
ALTERNATIVE TOPOLOGIES .......................................................................................... 42
4.4.1
3 PHASE, 4 WIRE WITHOUT EARTH FAULT PROTECTION .................................. 42
4.4.2
SINGLE PHASE WITH RESTRICTED EARTH FAULT .............................................. 43
4.4.3
SINGLE PHASE WITHOUT EARTH FAULT .............................................................. 44
4.4.4
2 PHASE (L1 & L2) 3 WIRE WITH RESTRICTED EARTH FAULT ............................ 45
4.4.5
2 PHASE (L1 & L2) 3 WIRE WITHOUT EARTH FAULT ............................................ 46
4.4.6
2 PHASE (L1 & L3) 3 WIRE WITH RESTRICTED EARTH FAULT ............................ 47
4.4.7
2 PHASE (L1 & L3) 3 WIRE WITHOUT EARTH FAULT MEASURING ..................... 48
4.4.8
3 PHASE 4 WIRE WITH UNRESTRICTED EARTH FAULT MEASURING ............... 49
4.5
CT LOCATION ................................................................................................................... 50
4.6
TYPICAL ARRANGEMENT OF DSENET® ....................................................................... 51
5
DESCRIPTION OF CONTROLS .................................................................... 52
5.1
DSE7210 / DSE7310 AUTOSTART CONTROL MODULE ............................................... 52
5.2
DSE7220 / DSE7320 AMF CONTROL MODULE.............................................................. 54
5.3
QUICKSTART GUIDE ........................................................................................................ 56
5.3.1
STARTING THE ENGINE ........................................................................................... 56
5.3.2
STOPPING THE ENGINE ........................................................................................... 56
5.4
VIEWING THE INSTRUMENT PAGES .............................................................................. 57
5.4.1
STATUS ...................................................................................................................... 58
5.4.2
ENGINE ....................................................................................................................... 59
5.4.3
GENERATOR .............................................................................................................. 60
5.4.4
MAINS (DSE7220/DSE7320 ONLY) ........................................................................... 61
5.4.5
SERIAL PORT ............................................................................................................. 61
5.4.6
ABOUT ........................................................................................................................ 65
5.4.7
CAN ERROR MESSAGES .......................................................................................... 66
5.5
VIEWING THE EVENT LOG .............................................................................................. 67
5.6
USER CONFIGURABLE INDICATORS ............................................................................ 68
5.7
CONTROLS ....................................................................................................................... 69
5.7.1.1
TEST (DSE7220/DSE7320 ONLY) ...................................................................................................... 69
5.7.1.2
START ................................................................................................................................................. 69
6
OPERATION (STANDALONE) ...................................................................... 71
6.1
ALTERNATIVE CONFIGURATIONS ................................................................................. 71
6.2
DUMMY LOAD / LOAD SHEDDING CONTROL ............................................................... 72
6.2.1
DUMMY LOAD CONTROL ......................................................................................... 72
6.2.2
LOAD SHEDDING CONTROL .................................................................................... 73
6.3
STOP MODE ...................................................................................................................... 74
6.3.1
ECU OVERRIDE ......................................................................................................... 74
6.4
AUTOMATIC MODE .......................................................................................................... 75
6.4.1
WAITING IN AUTO MODE ......................................................................................... 75
6.4.2
STARTING SEQUENCE ............................................................................................. 75
6.4.3
ENGINE RUNNING ..................................................................................................... 76
6.4.4
STOPPING SEQUENCE ............................................................................................. 76
6.5
MANUAL MODE ................................................................................................................ 77
6.5.1
WAITING IN MANUAL MODE .................................................................................... 77
6.5.2
STARTING SEQUENCE ............................................................................................. 77
6.5.3
ENGINE RUNNING ..................................................................................................... 78
6.5.4
MANUAL FUEL PUMP CONTROL ............................................................................. 78
6.5.5
MANUAL SPEED CONTROL ...................................................................................... 78
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6.5.6
STOPPING SEQUENCE ............................................................................................ 79
6.6
TEST MODE ...................................................................................................................... 80
6.6.1
WAITING IN TEST MODE .......................................................................................... 80
6.6.2
STARTING SEQUENCE ............................................................................................. 80
6.6.3
ENGINE RUNNING..................................................................................................... 81
7
OPERATION (DUAL MUTUAL STANDBY) ................................................... 82
8
PROTECTIONS .............................................................................................. 83
8.1
PROTECTIONS DISABLED .............................................................................................. 84
8.1.1
INDICATION / WARNING ALARMS ........................................................................... 84
8.1.2
SHUTDOWN / ELECTRICAL TRIP ALARMS ............................................................ 84
8.2
INDICATIONS .................................................................................................................... 85
8.3
WARNINGS........................................................................................................................ 86
8.4
HIGH CURRENT WARNING ALARM ............................................................................... 87
8.5
SHUTDOWNS .................................................................................................................... 88
8.6
ELECTRICAL TRIPS ......................................................................................................... 90
8.7
HIGH CURRENT SHUTDOWN / ELECTRICAL TRIP ALARM ........................................ 91
8.7.1
IMMEDIATE WARNING.............................................................................................. 91
8.7.2
IDMT ALARM .............................................................................................................. 91
8.8
EARTH FAULT SHUTDOWN / ELECTRICAL TRIP ALARM ........................................... 93
8.8.1
EARTH FAULT TRIPPING CURVES ......................................................................... 93
8.9
MAINTENANCE ALARM ................................................................................................... 94
8.10
SCHEDULER ................................................................................................................. 95
8.10.1
STOP MODE............................................................................................................... 95
8.10.2
MANUAL MODE ......................................................................................................... 95
8.10.3
AUTO MODE .............................................................................................................. 95
8.11
FRONT PANEL CONFIGURATION ............................................................................... 96
8.12
ACCESSING THE MAIN FRONT PANEL CONFIGURATION EDITOR ....................... 97
8.12.1
EDITING A PARAMETER ........................................................................................... 98
8.12.2
ADJUSTABLE PARAMETERS ................................................................................... 99
8.13
ACCESSING THE ‘RUNNING’ CONFIGURATION EDITOR ...................................... 101
8.13.1
EDITING A PARAMETER ......................................................................................... 101
8.13.2
ADJUSTABLE PARAMETERS (RUNNING EDITOR) .............................................. 101
9
COMMISSIONING ........................................................................................ 102
9.1.1
PRE-COMMISSIONING............................................................................................ 102
10
FAULT FINDING ....................................................................................... 103
11
MAINTENANCE, SPARES, REPAIR AND SERVICING ........................... 105
11.1
PURCHASING ADDITIONAL CONNECTOR PLUGS FROM DSE ............................. 105
11.1.1
DSE7200 SERIES ..................................................................................................... 105
11.1.1.1
PACK OF PLUGS .......................................................................................................................... 105
11.1.1.2
INDIVIDUAL PLUGS ...................................................................................................................... 105
11.1.2
DSE7300 SERIES ..................................................................................................... 106
11.1.2.1
PACK OF PLUGS .......................................................................................................................... 106
11.1.2.2
INDIVIDUAL PLUGS ...................................................................................................................... 106
11.2
PURCHASING ADDITIONAL FIXING CLIPS FROM DSE .......................................... 106
11.3
PURCHASING ADDITIONAL SEALING GASKET FROM DSE .................................. 106
11.4
EXPANSION MODULES .............................................................................................. 107
11.5
ETHERNET (LAN) CONNECTION .............................................................................. 108
12
WARRANTY .............................................................................................. 109
13
DISPOSAL................................................................................................. 109
13.1
WEEE (WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT) ........................... 109
13.2
ROHS (RESTRICTION OF HAZARDOUS SUBSTANCES) ........................................ 109
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Part No. 057-074 7000 Series OPERATING MANUAL ISSUE 5 15/10/2009 ADM
1 BIBLIOGRAPHY
This document refers to and is referred to by the following DSE publications which can be obtained from the DSE
website www.deepseaplc.com
1.1 INSTALLATION INSTRUCTIONS
Installation instructions are supplied with the product in the box and are intended as a ‘quick start’ guide only.
DSE PART DESCRIPTION
053-026 DSE7210 Installation Instructions
053-027 DSE7220 Installation Instructions
053-028 DSE7310 Installation Instructions
053-029 DSE7320 Installation Instructions
053-032 DSE2548 LED Expansion Annunciator Installation Instructions
053-033 DSE2130 Input Expansion Installation Instructions
053-034 DSE2157 Output Expansion Installation Instructions
053-064 DSE2500 Series Display Expansion Installation Instructions
1.2 TRAINING GUIDES
Training Guides are produced to give ‘handout’ sheets on specific subjects during training sessions.
DSE PART DESCRIPTION
056-005 Using CTs With DSE Products
056-010 Overcurrent Protection
056-022 Breaker Control
056-019 Earth Fault Protection
056-024 Gsm Modem
056-029 Smoke Limiting
056-030 Module PIN Codes
1.3 MANUALS
DSE PART DESCRIPTION
057-004 Electronic Engines And DSE Wiring Manual
057-077 DSE7000 Series Configuration Software Manual
057-082 DSE2130 Input Expansion Manual
057-083 DSE2157 Output Expansion Manual
057-084 DSE2548 Annunciator Expansion Manual
057-107 DSE2500 Series Display Operator Manual
DSE Model 7000 Series Control & Instrumentation System Operators Manual
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2 INTRODUCTION
This document does not contain operating instructions for the DSE7500 series synchronising and load sharing
controllers. This is contained within DSE publications - part numbers 057-088 (DSE7510), 057-089 (DSE7520) and
057-090 (DSE7560).
This document details the installation and operation requirements of the DSE7200 and DSE7300 Series modules,
part of the DSEControl® range of products.
The manual forms part of the product and should be kept for the entire life of the product. If the product is passed or
supplied to another party, ensure that this document is passed to them for reference purposes.
This is not a controlled document. You will not be automatically informed of updates. Any future updates of this
document will be included on the DSE website at www.deepseaplc.com
The DSE7000 series is designed to provide differing levels of functionality across a common platform. This allows
the generator OEM greater flexibility in the choice of controller to use for a specific application.
The DSE7000 series module has been designed to allow the operator to start and stop the generator, and if
required, transfer the load to the generator either manually (via fascia mounted push-buttons) or automatically.
Additionally, the DSE7320 automatically starts and stops the generator set depending upon the status of the mains
(utility) supply.
The user also has the facility to view the system operating parameters via the LCD display.
The DSE7000 module monitors the engine, indicating the operational status and fault conditions, automatically
shutting down the engine and giving a true first up fault condition of an engine failure by a COMMON AUDIBLE
ALARM. The LCD display indicates the fault.
The powerful ARM microprocessor contained within the module allows for incorporation of a range of complex
features:
• Text based LCD display (supporting multiple languages).
• True RMS Voltage, Current and Power monitoring.
• Engine parameter monitoring.
• Fully configurable inputs for use as alarms or a range of different functions.
• Engine ECU interface to electronic engines.
Using a PC and the Configuration Suite software allows alteration of selected operational sequences, timers and
alarms.
Additionally, the module’s integral fascia configuration editor allows adjustment of a subset of this information.
A robust plastic case designed for front panel mounting houses the module. Connections are via locking plug and
sockets.
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3 SPECIFICATIONS
3.1 PART NUMBERING
7210 - 002 - 00
At the time of this document production, there are no variants of this product.
This document does not contain operating instructions for the DSE7500 series synchronising and load sharing
controllers. This is contained within DSE publications - part numbers 057-088 (DSE7510), 057-089 (DSE7520) and
057-090 (DSE7560).
3.2 MODEL NAMING
72 10
3.2.1 SHORT NAMES
Short name Description
DSE7000 All modules in the DSE7000 Series
DSE7x10 All Autostart modules in the DSE7000 Series
DSE7x20 All AMF modules in the DSE7000 Series
DSE72x0 All modules in the DSE7200 series
DSE73x0 All modules in the DSE7300 series
Product type
DSE 7210
Autostart Module
7210
Variant
Standard
product
00
Hardware revision
Initial module release
001
DSE 7220
Automatic Mains
Failure Module
7220
DSE 7310
Autostart Module
7310
DSE 7320
Automatic Mains
Failure Module
7320
Series
DSE 7200 series
72
DSE 7300 series
73
Autostart (remote start) and
manual start
10
Function
Autostart, manual start and
start upon mains failure
20
Changes to module outputs to ease
production process
(no functional changes)
002
Changes to circuit for UL
approval (no functional changes)
003
Changes to accommodate new
LCD display
(no functional changes)
004
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3.3 TERMINAL SPECIFICATION
Connection type Two part connector.
• Male part fitted to module
• Female part supplied in module
packing case - Screw terminal,
rising clamp, no internal spring.
Example showing cable entry and screw
terminals of a 10 way connector
Minimum cable size 0.5mm² (AWG 24)
Maximum cable size 2.5mm² (AWG 10)
NOTE : For purchasing additional connector plugs from DSE, please see the section entitled
Maintenance, Spares, Repair and Servicing elsewhere in this document.
3.4 POWER SUPPLY REQUIREMENTS
Minimum supply voltage 8V continuous
Cranking dropouts Able to survive 0V for 50mS providing the supply was at least 10V before the
dropout and recovers to 5V afterwards.
This is more than sufficient to allow the module to operate during engine
cranking where the battery supply often falls as low as 4V (on a 12V system!)
This is achieved without the need for internal batteries or other external
requirements.
Maximum supply voltage 35V continuous (60V protection for surges)
Reverse polarity protection -35V continuous
Maximum operating current DSE7200 / DSE7300
160mA at 24V
340mA at 12V
Maximum standby current DSE7200 / DSE7300
80mA at 24V
160mA at 12V
Plant supply instrumentation display
Range 0V-70V DC (note Maximum continuous operating voltage of 35V DC)
Resolution 0.1V
Accuracy ±1% full scale (±0.7V)
3.5 GENERATOR AND MAINS VOLTAGE / FREQUENCY SENSING
Measurement type True RMS conversion
Sample Rate 5KHz or better
Harmonics Up to 10
th
or better
Input Impedance
300K Ω ph-N
Phase to Neutral 15V
(minimum required for sensing frequency
)
to 333V AC
(absolute maximum)
Suitable for 110V to 277V nominal
(±20% for under/overvoltage detection)
Phase to Phase 26V
(minimum required for sensing frequency
)
to 576V AC
(absolute maximum)
Suitable for 190V ph-ph to 479V ph-ph nominal
(±20% for under/overvoltage detection)
Common mode offset from Earth 100V AC (max)
Resolution 1V AC phase to neutral
2V AC phase to phase
Accuracy ±1% of full scale phase to neutral (±3.33V ph-N)
±2% of full scale phase to phase (±11.52V ph-ph)
Minimum frequency 3.5Hz
Maximum frequency 75.0Hz
Frequency resolution 0.1Hz
Frequency accuracy ±0.2Hz
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3.6 GENERATOR CURRENT SENSING
Measurement type True RMS conversion
Sample Rate 5KHz or better
Harmonics Up to 10
th
or better
Nominal CT secondary rating 1A or 5A (5A recommended)
Maximum continuous current 5A
Overload Measurement 3 x Nominal Range setting
Absolute maximum overload 50A for 1 second
Burden
0.5VA (0.02Ω current shunts)
common mode offset ±2V peak plant ground to CT common terminal
Resolution 0.5% of 5A
Accuracy ±1% of Nominal (1A or 5A) (excluding CT error)
3.7 INPUTS
3.7.1 DIGITAL INPUTS
Number
DSE7200 6
DSE7300 8
Arrangement Contact between terminal and ground
Low level threshold 2.1V minimum
High level threshold 6.6V maximum
Maximum input voltage +50V DC with respect to plant supply negative
Minimum input voltage -24V DC with respect to plant supply negative
Contact wetting current 7mA typical
Open circuit voltage 12V typical
3.7.2 ANALOGUE INPUTS
Oil Pressure
Measurement type Resistance measurement by measuring voltage across sensor with a fixed current
applied
Arrangement Differential resistance measurement input
Measurement current 15mA
Full scale
240Ω
Over range / fail
270Ω
Resolution 1-2 PSI / 0.1 Bar
Accuracy
±2% of full scale resistance (±4.8Ω) excluding transducer error
Max common mode voltage ±2V
Display range 0-200 PSI / 13.7 bar subject to limits of the sensor
Coolant Temperature
Measurement type Resistance measurement by measuring voltage across sensor with a fixed current
applied
Arrangement Differential resistance measurement input
Measurement current 10mA
Full scale
480Ω
Over range / fail
540Ω
Resolution
1°C, 2°F
Accuracy
+/-2% of full scale resistance (±9.6Ω) excluding transducer error
Max common mode voltage ±2V
Display range
0°C -140°C, 32°F - 284°F Depending on sensor
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Fuel Level
Measurement type Resistance measurement by measuring voltage across sensor with a fixed current
applied
Arrangement Differential resistance measurement input
Measurement current 10mA
Full scale
480Ω
Over range / fail
540Ω
Resolution 1%
Accuracy
+/-2% of full scale resistance (±9.6Ω) excluding transducer error
Max common mode voltage ±2V
Display range 0-250%
Flexible Sensor
NOTE : Flexible sensor is not available on DSE7200 series controllers
Measurement type Resistance measurement by measuring voltage across sensor with a fixed current
applied
Arrangement Differential resistance measurement input
Measurement current 10mA
Full scale
480Ω
Over range / fail
540Ω
Resolution 1%
Accuracy
+/-2% of full scale resistance (±9.6Ω) excluding transducer error
Max common mode voltage ±2V
Display range 0-250%
3.7.3 CHARGE FAIL INPUT
Minimum voltage 0V
Maximum voltage 35V (plant supply)
Resolution 0.2V
Accuracy ± 1% of max measured voltage (±0.35V)
Excitation Active circuit constant power output
Output Power 2.5W Nominal @12V and 24V
Current at 12V 210mA
Current at 24V 104mA
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3.7.4 MAGNETIC PICKUP
Type Differential input
Minimum voltage 0.5V RMS
Max common mode voltage ±2V
Maximum voltage Clamped to ±70V by transient suppressers, dissipation not to exceed 1W.
Maximum frequency 10,000Hz
Resolution 6.25 RPM
Accuracy ±25 RPM
Flywheel teeth 10 to 500
NOTE : DSE can supply a suitable magnetic pickup device, available in two body thread lengths :
DSE Part number 020-012 - Magnetic Pickup probe 5/8 UNF 2½” thread length
DSE Part number 020-013 - Magnetic Pickup probe 5/8 UNF 4” thread length
Magnetic Pickup devices can often be ‘shared’ between two or more devices. For example, one device can often
supply the signal to both the DSE7000 series module and the engine governor. The possibility of this depends upon
the amount of current that the magnetic pickup can supply.
3.8 OUTPUTS
3.8.1 OUTPUTS A & B
Type Normally used for Fuel / Start outputs. Fully configurable for other purposes if the module is configured to
control an electronic engine. Supplied from Emergency Stop terminal 3.
Rating 15A resistive @ 35V
3.8.2 OUTPUTS C & D
Type Voltage free relays, fully configurable, normally used for generator / mains load switch control.
Rating 8A resistive @ 250 V AC
3.8.3 OUTPUTS E,F,G & H
Type Fully configurable, supplied from DC supply terminal 2.
Rating 3A resistive @ 35V
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3.9 COMMUNICATION PORTS
USB Port USB2.0 Device for connection to PC running DSE configuration suite only
Max distance 6m (20 feet)
Serial Communication
(not available on DSE7200 series)
RS232 and RS485 are both fitted but do NOT provide independent
operation
RS232 Serial port
(not available on DSE7200 series)
Non – Isolated port
Max Baud rate 115K baud subject to S/W
TX, RX, RTS, CTS, DSR, DTR, DCD
Male 9 way D type connector
Max distance 15m (50 feet)
RS485 Serial port
(not available on DSE7200 series)
Isolated
Data connection 2 wire + common
Half Duplex
Data direction control for Transmit (by s/w protocol)
Max Baud Rate 19200
External termination required (120Ω)
Max common mode offset 70V (on board protection transorb)
Max distance 1.2km (¾ mile)
CAN Port Engine CAN Port
Standard implementation of ‘Slow mode’, up to 250K bits/s
Non Isolated.
Internal Termination provided (120Ω)
Max distance 40m (133 feet)
3.10 COMMUNICATION PORT USAGE
3.10.1 CAN INTERFACE
Modules are fitted with the CAN interface as standard and are capable of receiving
engine data from engine CAN controllers compliant with the CAN standard.
CAN enabled engine controllers monitor the engine’s operating parameters such as
engine speed, oil pressure, engine temperature (among others) in order to closely
monitor and control the engine. The industry standard communications interface (CAN)
transports data gathered by the engine controller interface. This allows generator controllers such as the DSE7000
series to access these engine parameters with no physical connection to the sensor device.
NOTE:- For further details for connections to CAN enabled engines and the functions available with
each engine type, refer to the manual Electronic Engines and DSE Wiring. Part No. 057-004
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3.10.2 USB CONNECTION
The USB port is provided to give a simple means of connection between a PC and the DSE7000 series controller.
Using the DSE Configuration Suite Software, the operator is then able to control the module, starting or stopping the
generator, selecting operating modes, etc.
Additionally, the various operating parameters (such as output volts, oil pressure, etc.) of the remote generator are
available to be viewed or changed.
To connect a DSE7000 series module to a PC by USB, the following items are required:
• DSE7200 or DSE73000 series module
• DSE 7000 series configuration software
(Supplied on configuration suite software CD or available from
www.deepseaplc.com).
• USB cable Type A to Type B.
(This is the same cable as often used between a PC and a USB printer)
DSE can supply this cable if required :
PC Configuration interface lead (USB type A – type B) DSE Part No 016-125
NOTE:- The DC supply must be connected to the module for configuration by PC.
NOTE:- Refer to DSE7000 series Configuration Suite Manual for further details on configuring,
monitoring and control.
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3.10.3 RS232
NOTE: Modem and RS232 capability is not available with DSE7200 series controllers.
The RS232 port on the DSE7300 series controller support the Modbus RTU protocol.
The Gencomm register table for the controller is available upon request from the DSE Technical Support
Department.
RS232 is for short distance communication (max 15m) and is typically used to connect the DSE7300 series
controller to a telephone or GSM modem for more remote communications.
Many PCs are not fitted with an internal RS232 serial port. DSE DO NOT recommend the use of USB to RS232
convertors but can recommend PC addons to provide the computer with an RS232 port.
Recommended PC Serial Port addons (for computers without internal RS232 port):
• Brainboxes PM143 PCMCIA RS232 card (for laptop PCs)
• Brainboxes UC246 PCI RS232 card (for desktop PCs)
Recommended External Modems :
• Multitech Global Modem – MultiModem ZBA (PSTN)
DSE Part Number 020-252
(Contact DSE Sales for details of localisation kits for these modems)
• Wavecom Fastrak Supreme GSM modem kit (PSU, Antenna and modem)*
DSE Part number 0830-001-01
• Brodersen GSM Industrial Modem*
DSE Part number 020-245
NOTE: *For GSM modems a SIM card is required, supplied by your GSM network provider :
• For SMS only, a ‘normal’ voice SIM card is required. This enables the controller to send SMS messages to
designated mobile phones upon status and alarm conditions.
• For a data connection to a PC running DSE Configuration Suite Software, a ‘special’ DATA ENABLED SIM
card is required that will enable the modem to answer an incoming data call. Many ‘pay as you go’ services
will not provide a DATA SIM card.
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3.10.4 RS485
NOTE:- RS485 capability is not available with DSE7200 series controllers.
The RS485 port on the DSE7300 series controller support the Modbus RTU protocol.
The DSE Gencomm register table for the controller is available upon request from the DSE Technical Support
Department.
RS485 is used for point to point cable connection of more than one device (maximum 32 devices) and allows for
connection to PCs, PLCs and Building Management Systems (to name just a few devices).
One advantage of the RS485 interface is the large distance specification (1.2km when using Belden 9841 (or
equivalent) cable. This allows for a large distance between the DSE7000 series module and a PC running the DSE
Configuration Suite software. The operator is then able to control the module, starting or stopping the generator,
selecting operating modes, etc.
The various operating parameters (such as output volts, oil pressure, etc.) of the remote generator can be viewed
or changed.
NOTE:- For distances up to 6m (8yds) the USB connection method is more suitable and provides for a
lower cost alternative to RS485 (which is more suited to longer distance connections).
Recommended PC Serial Port add-ons (for computers without internal RS485 port) :
• Brainboxes PM154 PCMCIA RS485 card (for laptops)
Set to ‘Half Duplex, Autogating” with ‘CTS True’ set to ‘enabled’
• Brainboxes UC320 PCI Velocity RS485 card (for desktop PCs)
Set to ‘Half Duplex, Autogating” with ‘CTS True’ set to ‘enabled’
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3.11 DSENET® FOR EXPANSION MODULES
DSENet® is the interconnection cable between the host controller and the expansion module(s) and must not be
connect to any device other than DSE equipment designed for connection to the DSENet®
NOTE : DSENet® is not available on DSE7200 series controllers.
Cable type Two core screened twisted pair
Cable characteristic impedance
120Ω
Recommended cable Belden 9841
Belden 9271
Maximum cable length 1200m (¾ mile) when using Belden 9841 or direct equivalent.
600m (666 yds) when using Belden 9271 or direct equivalent.
DSENet® topology “Daisy Chain” Bus with no stubs (spurs)
DSENet® termination
120Ω. Fitted internally to host controller. Must be fitted externally to the ‘last’
expansion module by the customer.
Maximum expansion modules Refer to host controller documentation.
NOTE : As a termination resistor is internally fitted to the host controller, the host controller must be
the ‘first’ unit on the DSENet®. A termination resistor MUST be fitted to the ‘last’ unit on the DSENet®. For
connection details, you are referred to the section entitled ‘typical wiring diagram’ elsewhere in this
document.
3.11.1 DSENET® USED FOR MODBUS ENGINE CONNECTION
As DSENet® utilises an RS485 hardware interface, this port can be configured for connection to Cummins Modbus
engines (Engines fitted with Cummins GCM (Generator Control Module)).
This leaves the RS485 interface free for connection to remote monitoring equipment (ie Building Management
System, PLC or PC RS485 port).
While this is a very useful feature in some applications, the obvious drawback is that the DSENet® interface is no
longer available for connection to expansion devices.
Example of configuring the DSENet® for connection to Cummins QST GMC using the DSE Configuration Suite
Software :
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3.12 SOUNDER
DSE7000 Series features an internal sounder to draw attention to warning, shutdown and electrical trip alarms.
Sounder level 84db @ 1m
3.12.1 ADDING AN EXTERNAL SOUNDER TO THE APPLICATION
Should an external alarm or indicator be required, this can be achieved by using the DSE Configuration Suite PC
software to configure an auxiliary output for “Audible Alarm”, and by configuring an auxiliary input for “Alarm Mute”
(if required).
The audible alarm output activates and de-activates at the same time as the module’s internal sounder. The Alarm
mute input and internal alarm mute button activate ‘in parallel’ with each other. Either signal will mute both the
internal sounder and audible alarm output.
Example of configuration to achieve external sounder with external alarm mute button:
3.13 ACCUMULATED INSTRUMENTATION
NOTE : When an accumulated instrumentation value exceeds the maximum number as listed below, it
will reset and begin counting from zero again.
Engine hours run Maximum 99999 hrs 59 minutes (approximately 11yrs 4months)
Number of starts 1,000,000 (1 million)
The number of logged Engine Hours and Number of Starts can be set/reset using the DSE Configuration Suite PC
software. Depending upon module configuration, this may have been PIN number locked by your generator supplier
.
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3.14 DIMENSIONS AND MOUNTING
3.14.1.1 DIMENSIONS
240.0mm x 181.1mm x 41.7mm
(9.4” x 7.1” x 1.6”)
PANEL CUTOUT
220mm x 160mm
(8.7” x 6.3”)
WEIGHT
0.7kg (1.4lb)
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3.14.2 FIXING CLIPS
Supplied fixing clips hold the module into the panel fascia.
Withdraw the fixing clip screw (turn anticlockwise) until only the pointed end is protruding from the clip.
• Insert the three ‘prongs’ of the fixing clip into the slots in the side of the 7000 series module case.
• Pull the fixing clip backwards (towards the back of the module) ensuring all three prongs of the clip are
inside their allotted slots.
• Turn the fixing clip screws clockwise until they make contact with the panel fascia.
• Turn the screws a little more to secure the module into the panel fascia. Take care not to over tighten the
fixing clip screws.
NOTE:- In conditions of excessive vibration, mount the module on suitable anti-vibration mountings.
Fixing clip fitted to
module
Fixing clip
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3.14.3 CABLE TIE FIXING POINTS
Integral cable tie fixing points are included on the rear of the module’s case to aid wiring. This additionally provides
strain relief to the cable loom by removing the weight of the loom from the screw connectors, thus reducing the
chance of future connection failures.
Care should be taken not to overtighten the cable tie (for instance with cable tie tools) to prevent the risk of damage
to the module case.
Cable tie fixing point With cable and tie in place
3.14.4 SILICON SEALING GASKET
The supplied silicon gasket provides improved sealing between the 7000 series module and the panel fascia.
The gasket is fitted to the module before installation into the panel fascia.
Take care to ensure the gasket is correctly fitted to the module to maintain the integrity of the seal.
Gasket fitted to
module
Sealing gasket
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3.15 APPLICABLE STANDARDS
BS 4884-1
This document conforms to BS4884-1 1992 Specification for presentation of essential
information.
BS 4884-2
This document conforms to BS4884-2 1993 Guide to content
BS 4884-3
This document conforms to BS4884-3 1993 Guide to presentation
BS EN 60068-2-1
(Minimum temperature)
-30°C (-22°F)
BS EN 60068-2-2
(Maximum temperature)
+70°C (158°F)
BS EN 60950
Safety of information technology equipment, including electrical business equipment
BS EN 61000-6-2
EMC Generic Immunity Standard (Industrial)
BS EN 61000-6-4
EMC Generic Emission Standard (Industrial)
BS EN 60529
(Degrees of protection
provided by enclosures)
(see overleaf)
IP65 (front of module when installed into the control panel with the supplied sealing
gasket)
IP42 (front of module when installed into the control panel WITHOUT being sealed to
the panel)
UL508
NEMA rating
(Approximate)
(see overleaf)
12 (Front of module when installed into the control panel with the supplied sealing
gasket).
2 (Front of module when installed into the control panel WITHOUT being sealed to
the panel)
IEEE C37.2
(Standard Electrical Power
System Device Function
Numbers and Contact
Designations)
Under the scope of IEEE 37.2, function numbers can also be used to represent
functions in microprocessor devices and software programs.
The 7000 series controller is device number 11L-7000 (Multifunction device
protecting Line (generator) – 7000 series module).
As the module is configurable by the generator OEM, the functions covered by the
module will vary. Under the module’s factory configuration, the device numbers
included within the module are :
2 – Time delay starting or closing relay
6 – Starting circuit breaker
27AC – AC undervoltage relay
27DC – DC undervoltage relay
30 – annunciator relay
42 – Running circuit breaker
50 – instantaneous overcurrent relay
51 – ac time overcurrent relay
52 – ac circuit breaker
53DC – exciter or dc generator relay
54 – turning gear engaging device
59AC – AC overvoltage relay
59DC – DC overvoltage relay
62 – time delay stopping or opening relay
63 – pressure switch
74– alarm relay
81 – frequency relay
86 – lockout relay
In line with our policy of continual development, Deep Sea Electronics, reserve the right to change specification without notice.
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3.15.1 ENCLOSURE CLASSIFICATIONS
IP CLASSIFICATIONS
7000 series specification under BS EN 60529 Degrees of protection provided by enclosures
IP65 (Front of module when module is installed into the control panel with the optional sealing gasket).
IP42 (front of module when module is installed into the control panel WITHOUT being sealed to the panel)
First Digit Second Digit
Protection against contact and ingress of solid objects Protection against ingress of water
0 No protection 0 No protection
1 Protected against ingress solid objects with a
diameter of more than 50 mm. No protection against
deliberate access, e.g. with a hand, but large
surfaces of the body are prevented from approach.
1 Protection against dripping water falling vertically. No
harmful effect must be produced (vertically falling
drops).
2 Protected against penetration by solid objects with a
diameter of more than 12 mm. Fingers or similar
objects prevented from approach.
2 Protection against dripping water falling vertically.
There must be no harmful effect when the equipment
(enclosure) is tilted at an angle up to 15° from it s
normal position (drops falling at an angle).
3 Protected against ingress of solid objects with a
diameter of more than 2.5 mm. Tools, wires etc.
with a thickness of more than 2.5 mm are prevented
from approach.
3 Protection against water falling at any angle up to 60°
from the vertical. There must be no harmful effect
(spray water).
4 Protected against ingress of solid objects with a
diameter of more than 1 mm. Tools, wires etc. with
a thickness of more than 1 mm are prevented from
approach.
4 Protection against water splashed against the
equipment (enclosure) from any direction. There must
be no harmful effect (splashing water).
5 Protected against harmful dust deposits. Ingress of
dust is not totally prevented but the dust must not
enter in sufficient quantity to interface with
satisfactory operation of the equipment. Complete
protection against contact.
5 Protection against water projected from a nozzle
against the equipment (enclosure) from any direction.
There must be no harmful effect (water jet).
6 Protection against ingress of dust (dust tight).
Complete protection against contact.
6 Protection against heavy seas or powerful water jets.
Water must not enter the equipment (enclosure) in
harmful quantities (splashing over).
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NEMA CLASSIFICATIONS
7000 series NEMA Rating (Approximate)
12 (Front of module when module is installed into the control panel with the optional sealing gasket).
2 (front of module when module is installed into the control panel WITHOUT being sealed to the panel)
NOTE: - There is no direct equivalence between IP / NEMA ratings. IP figures shown are approximate
only.
1
IP30
Provides a degree of protection against contact with the enclosure equipment and against a limited amount of falling dirt.
2
IP31
Provides a degree of protection against limited amounts of falling water and dirt.
3
IP64
Provides a degree of protection against windblown dust, rain and sleet; undamaged by the formation of ice on the enclosure.
3R
IP32
Provides a degree of protection against rain and sleet:; undamaged by the formation of ice on the enclosure.
4 (X)
IP66
Provides a degree of protection against splashing water, windblown dust and rain, hose directed water; undamaged by the
formation of ice on the enclosure. (Resist corrosion).
12/12K
IP65
Provides a degree of protection against dust, falling dirt and dripping non corrosive liquids.
13
IP65
Provides a degree of protection against dust and spraying of water, oil and non corrosive coolants.
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4 INSTALLATION
The DSE7000 Series module is designed to be mounted on the panel fascia. For dimension and mounting details,
see the section entitled Specification, Dimension and mounting elsewhere in this document.
4.1 USER CONNECTIONS
To aid user connection, icons on the rear of the module ease Identification of terminal functions.
NOTE : Availability of some terminals depends upon module version. The section entitled Terminal
Description elsewhere in this manual details this further.
RS485 connection
RS232 connection
Terminals 1-11 Terminals 15-19
Terminals 22-30
Terminals 39-46 Terminals 47-50 Terminals 51-55 Terminals 60-67
USB Connection
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4.2 TERMINAL DESCRIPTION
4.2.1 DC SUPPLY, FUEL AND START OUTPUTS
Icon PIN
No
DESCRIPTION CABLE
SIZE
NOTES
1
DC Plant Supply Input
(Negative)
2.5mm²
AWG 13
2
DC Plant Supply Input
(Positive)
2.5 mm²
AWG 13
(Recommended Maximum Fuse 15A anti-surge)
Supplies the module (2A anti-surge requirement) and Output
relays E,F,G & H
3 Emergency Stop Input
2.5mm²
AWG 13
Plant Supply Positive. Also supplies outputs 1 & 2.
(Recommended Maximum Fuse 20A)
4 Output relay A (FUEL)
2.5mm²
AWG 13
Plant Supply Positive from terminal 3. 15 Amp rated.
Fixed as FUEL relay if electronic engine is not configured.
5 Output relay B (START)
2.5mm²
AWG 13
Plant Supply Positive from terminal 3. 15 Amp rated.
Fixed as START relay if electronic engine is not configured.
6 Charge fail / excite
2.5mm²
AWG 13
Do not connect to ground (battery negative).
If charge alternator is not fitted, leave this terminal
disconnected.
7 Functional Earth
2.5mm²
AWG 13
Connect to a good clean earth point.
8 Output relay E
1.0mm²
AWG 18
Plant Supply Positive from terminal 2. 3 Amp rated.
9 Output relay F
1.0mm²
AWG 18
Plant Supply Positive from terminal 2. 3 Amp rated.
10 Output relay G
1.0mm²
AWG 18
Plant Supply Positive. from terminal 2. 3 Amp rated.
11 Output relay H
1.0mm²
AWG 18
Plant Supply Positive from terminal 2. 3 Amp rated.
NOTE:- Terminals 12 to 14 are not fitted to the DSE7200/DSE7300 series controller.
NOTE:- When the module is configured for operation with an electronic engine, FUEL and START
output requirements may be different. Refer to Electronic Engines and DSE Wiring for further information.
DSE Part No. 057-004.
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4.2.2 ANALOGUE SENSORS
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
15 Sensor Common Return
0.5mm²
AWG 20
Return feed for sensors
16 Oil Pressure Input
0.5mm²
AWG 20
Connect to Oil pressure sensor
17 Coolant Temperature Input
0.5mm²
AWG 20
Connect to Coolant Temperature sensor
18 Fuel Level input
0.5mm²
AWG 20
Connect to Fuel Level sensor
19
Flexible sensor
(not available on 7200 series controller)
0.5mm²
AWG 20
Connect to additional sensor (user configurable)
NOTE:- Terminals 20 and 21 are not fitted to the 7200/7300 series controller.
NOTE:- . It is VERY important that terminal 15 (sensor common) is soundly connected to an earth point
on the ENGINE BLOCK, not within the control panel, and must be a sound electrical connection to the
sensor bodies. This connection MUST NOT be used to provide an earth connection for other terminals or
devices. The simplest way to achieve this is to run a SEPERATE earth connection from the system earth
star point, to terminal 15 directly, and not use this earth for other connections.
NOTE:- . If you use PTFE insulating tape on the sensor thread when using earth return sensors, ensure
you do not insulate the entire thread, as this will prevent the sensor body from being earthed via the engine
block.
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4.2.3 MAGNETIC PICKUP, CAN AND EXPANSION
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
22 Magnetic pickup Positive
0.5mm²
AWG 20
Connect to Magnetic Pickup device
23 Magnetic pickup Negative
0.5mm²
AWG 20
Connect to Magnetic Pickup device
24 Magnetic pickup screen Shield Connect to ground at one end only
25 CAN port H
0.5mm²
AWG 20
Use only 120Ω CAN approved cable
26 CAN port L
0.5mm²
AWG 20
Use only 120Ω CAN approved cable
27 CAN port Common
0.5mm²
AWG 20
Use only 120Ω CAN approved cable
28 +
0.5mm²
AWG 20
Use only 120Ω RS485 approved cable
29 -
0.5mm²
AWG 20
Use only 120Ω RS485 approved cable
30 SCR
0.5mm²
AWG 20
Use only 120Ω RS485 approved cable
NOTE:- Terminals 31 to 38 are not fitted to the 7200 / 7300 controller
NOTE:- Screened cable must be used for connecting the Magnetic Pickup, ensuring that the screen is
earthed at one end ONLY.
NOTE:- Screened 120Ω
ΩΩ
Ω impedance cable specified for use with CAN must be used for the CAN link and
the Multiset comms link.
DSE stock and supply Belden cable 9841 which is a high quality 120Ω
ΩΩ
Ω impedance cable suitable for CAN
use (DSE part number 016-030)
NOTE:- When the module is configured for CAN operation, terminals 22, 23 & 24 should be left
unconnected. Engine speed is transmitted to the 7000 series controller on the CAN link.
Refer to Electronic Engines and DSE Wiring for further information. Part No. 057-004.
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4.2.4 LOAD SWITCHING AND GENERATOR VOLTAGE SENSING
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
39 Output relay C
1.0mm
AWG 18
Normally configured to control mains contactor coil
(Recommend 10A fuse)
40 Output relay C
1.0mm
AWG 18
Normally configured to control mains contactor coil
41 Output relay D
1.0mm
AWG 18
Normally configured to control generator contactor coil
(Recommend 10A fuse)
42 Output relay D
1.0mm
AWG 18
Normally configured to control generator contactor coil
43
Generator L1 (U) voltage
monitoring
1.0mm²
AWG 18
Connect to generator L1 (U) output (AC)
(Recommend 2A fuse)
44
Generator L2 (V) voltage
monitoring input
1.0mm²
AWG 18
Connect to generator L2 (V) output (AC)
(Recommend 2A fuse)
45
Generator L3 (W) voltage
monitoring input
1.0mm²
AWG 18
Connect to generator L3 (W) output (AC)
(Recommend 2A fuse)
46 Generator Neutral (N) input
1.0mm²
AWG 18
Connect to generator Neutral terminal (AC)
NOTE:- The above table describes connections to a three phase, four wire alternator. For alternative
wiring topologies, please see the ALTERNATIVE AC TOPOLOGIES section of this manual.
4.2.5 MAINS VOLTAGE SENSING
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
47 Mains L1 (R) voltage monitoring
1.0mm
AWG 18
Connect to Mains L1 (R) incoming supply (AC)
(Recommend 2A fuse)
48 Mains L2 (S) voltage monitoring
1.0mm
AWG 18
Connect to Mains L1 (S) incoming supply (AC)
(Recommend 2A fuse)
49 Mains L3 (T) voltage monitoring
1.0mm
AWG 18
Connect to Mains L1 (T) incoming supply (AC)
(Recommend 2A fuse)
50 Mains Neutral (N) input
1.0mm
AWG 18
Connect to Mains N incoming supply (AC)
NOTE:- Terminals 47-50 are not fitted to the 7210 / 7310 controller.
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4.2.6 GENERATOR CURRENT TRANSFORMERS
WARNING!:- Do not disconnect this plug when the CTs are carrying current. Disconnection will open
circuit the secondary of the C.T.’s and dangerous voltages may then develop. Always ensure the CTs are
not carrying current and the CTs are short circuit connected before making or breaking connections to the
module.
NOTE:- The 7000 series module has a burden of 0.5VA on the CT. Ensure the CT is rated for the burden
of the 7000 series controller, the cable length being used and any other equipment sharing the CT. If in
doubt, consult your CT supplier.
NOTE:- Take care to ensure correct polarity of the CT primary as shown below. If in doubt, check with
the CT supplier.
CT LABELLING
p1,
k
or K is the primary of the CT that ‘points’ towards the GENERATOR
p2,
l
or L is the primary of the CT that ‘points’ towards the LOAD
s1 is the secondary of the CT that connects to the DSE Module’s input for the CT measuring
(I1,I2,I3)
s2 is the secondary of the CT that should be commoned with the s2 connections of all the other CTs and connected
to the CT common terminal of the DSE7000 series modules.
CT labelled as
p1,
k
or K
CT labelled as
p2,
l
or L
To Supply
To Load
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