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EPM1500
User Manual
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GE Industrial Solutions EPM1500 User Manual

GE Energy
Industrial Solutions
EPM 1500
SINGLE POINT
Instruction Manual
Manual P/N: 1601-0155-A7 Manual Order Code: GEK-106554G
Copyright © 2010 GE Energy
GE Energy Industrial Solutions
SUBMETERING SYSTEM
Plainville, CT 06062
Internet: http://www.geindustrial.com
These instructions do not purport to cover all details or variations in equipment nor provide for every possible contingency to be met in connection with installation, operation, or maintenance. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purpose, the matter should be referred to the General Electric Company.
To the extent required the products described herein meet applicable ANSI, IEEE, and NEMA standards; but no such assurance is given with respect to local codes and ordinances because they vary greatly.
© 2010 GE Energy. All rights reserved.
GE Energy EPM 1500 Sub-Meter instruction manual.
EPM 1500 Sub-Meter is a registered trademark of GE Energy Inc.
The contents of this manual are the property of GE Energy Inc. This documentation is furnished on license and may not be reproduced in whole or in part without the permission of GE Energy. The content of this manual is for informational use only and is subject to change without notice.
Part numbers contained in this manual are subject to change without notice, and should therefore be verified by GE Energy before ordering.
Part number: 1601-0155-A7 (November 2007)
TOC
Table of Contents
1: OVERVIEW GETTING STARTED ............................................................................................................1-1
ESCRIPTION ........................................................................................................................ 1-1
D
ONTACT INFORMATION ..................................................................................................... 1-1
C
APPLICATIONS ...................................................................................................................1-2
TAND-ALONE METER ........................................................................................................ 1-2
S
ETERING SYSTEM .............................................................................................................. 1-2
M
NTERIOR VIEW ....................................................................................................................1-3
I
AUTIONS AND WARNINGS ............................................................................................... 1-3
C
ROTECTIVE CONDUCTOR TERMINAL ............................................................................... 1-4
P
REVENTIVE MAINTENANCE ............................................................................................... 1-4
P
SPECIFICATIONS ................................................................................................................1-5
ECHNICAL SPECIFICATIONS .............................................................................................. 1-5
T
PPROVALS ........................................................................................................................... 1-5
A
ORDERING ..........................................................................................................................1-6
ATALOG NUMBERS ............................................................................................................ 1-6
C
ODIFICATIONS ................................................................................................................... 1-6
M
CCESSORIES ....................................................................................................................... 1-6
A
2: INSTALLATION GETTING READY ................................................................................................................2-1
ETERMINATION OF METERING SYSTEM REQUIREMENTS ..............................................2-1
D
VERVIEW OF METER WIRING .......................................................................................... 2-1
O
WIRING DIAGRAMS ..........................................................................................................2-2
VERVIEW ............................................................................................................................ 2-2
O
HASE, 4-WIRE WYE ..................................................................................................... 2-3
3-P
HASE, 3-WIRE CENTER-TAP-NEUTRAL 120/240 V .............................................. 2-4
1-P
HASE, 4-WIRE CENTER-TAP-NEUTRAL 120/240 V DELTA ................................. 2-5
3-P
HASE, 3-WIRE UNGROUNDED 480 V DELTA .......................................................... 2-6
3-P
HASE, 3-WIRE CORNER-GROUNDED 480 V DELTA .............................................. 2-7
3-P
IRING FOR 1600 A AND 3200 A MODELS ................................................................ 2-8
W
INSTALLATION OF METER AND CURRENT TRANSFORMERS ..................................2-9
ROCEDURE .......................................................................................................................... 2-9
P
NTERNAL SHORTING TERMINAL ........................................................................................ 2-11
I
INSTALLING THE PULSE INPUTS ....................................................................................2-12
ULSE INPUT OPTION .........................................................................................................2-12
P
INSTALLING THE GE TRANSPONDER ...........................................................................2-13
ROCEDURE .......................................................................................................................... 2-13
P
3: USING THE METER MENU NAVIGATION ..........................................................................................................3-1
SER INTERFACE ..................................................................................................................3-1
U
CT MULTIPLIER TABLE ......................................................................................................3-4
ULTIPLIERS .................................................................................................................. 3-4
CT M
VERIFYING METER FUNCTIONALITY .............................................................................3-5
VERVIEW ............................................................................................................................ 3-5
O
ERIFYING VOLTAGE ........................................................................................................... 3-5
V
ERIFYING KWH READING ................................................................................................. 3-5
V
ERIFYING CURRENT AND ENERGY ................................................................................... 3-6
V
RESETTING THE DEMAND VALUES ...............................................................................3-7
ROCEDURE .......................................................................................................................... 3-7
P
EPM 1500 SUB-METER – INSTRUCTION MANUAL TOC–1
TOC
4: COMMUNICATIONS MODBUS COMMUNICATIONS ........................................................................................4-1
RS485 W RS232 W
ODBUS COMMANDS ......................................................................................................... 4-2
M
IXED MODBUS VALUES ..................................................................................................... 4-2
F
ODBUS DATA REGISTER (R4 TYPE) GROUPS ................................................................ 4-2
M
NSTANTANEOUS DATA ITEMS ............................................................................................4-3
I 32-
IRING FOR MODBUS ......................................................................................... 4-1
IRING FOR MODBUS ......................................................................................... 4-2
BIT LONG AND FLOAT DATA FORMATS ..................................................................... 4-3
MODBUS ACTIVATION .....................................................................................................4-4
VERVIEW ............................................................................................................................ 4-4
O
ONFIGURING A NEW HYPERTERMINAL SESSION .......................................................... 4-4
C
ONFIRMING CONNECTION TO THE EPM 1500 ............................................................ 4-5
C
OGGING INTO THE METER ................................................................................................ 4-5
L
CTIVATING MODBUS COMMUNICATIONS ....................................................................... 4-6
A
HANGING MODBUS SETTINGS ......................................................................................... 4-7
C
OGGING OUT ...................................................................................................................... 4-7
L
ISABLING MODBUS COMMUNICATIONS ......................................................................... 4-7
D
MODBUS MEMORY MAP ..................................................................................................4-8
EMORY MAP ......................................................................................................................4-8
M
5: MISCELLANEOUS REVISION HISTORY ...........................................................................................................5-1
ELEASE DATES ...................................................................................................................5-1
R
HANGES TO THE MANUAL ................................................................................................ 5-1
C
WARRANTY .........................................................................................................................5-4
GE ENERGY
WARRANTY ..................................................................................................... 5-4
INDEX
TOC–2 EPM 1500 SUB-METER – INSTRUCTION MANUAL
GE Energy
Industrial Solutions

1.1 Getting Started

EPM 1500 Single Point
Submetering System
Chapter 1: Overview

Overview

1.1.1 Description

Thank you for purchasing the GE Energy EPM 1500 sub-meter to monitor energy for your residential, commercial, or industrial applications. At GE Energy, we pride ourselves by providing our customers with best-in-class products, which have been carefully selected by GE to best serve your solution needs.
The EPM 1500 is sold in KWh or Demand meter versions and is available for 120/208V and 277/480V applications. An integrated liquid crystal display (LCD) is standard on all versions, providing local access to real-time and historical data. The meter provides two standard communication modes: power line communications (PLC), which utilizes existing AC power lines as the communication medium, eliminating dedicated wiring, and Modbus (RS232, RS485, modem).
The EPM 1500 is packaged with either solid or split core CTs in various amperages to suit both new construction and retrofit applications.
Note

1.1.2 Contact Information

The EPM 1500 is primarily used for commercial and industrial applications and is available in voltages ranging from 120 to 600 V in both wye and delta forms. The following installation instructions are applicable to the EPM 1500 meter only.
For assistance and contact information in connection with meter internal program setup and configuration please contact GE Energy.
EPM 1500 SUB-METER – INSTRUCTION MANUAL 1–1

1.2 Applications

1.2.1 Stand-Alone Meter

1.2.2 Metering System

CHAPTER 1: OVERVIEW
The GE Energy EPM 1500 can be installed as a stand-alone device that is locally accessed via the LCD or remotely accessed via modem. A modem can be installed in each meter allowing the meter(s) to be read remotely.
The GE Energy EPM 1500 family of meters are ideally designed to comprise a metering system within a residential/commercial building or industrial site. This metering system can measure electrical usage for each tenant, cost center, or common area space and communicate this information over the building's power wires or dedicated communication wiring (RS485). A metering system is comprised two or more EPM 1500 meters and a communication transponder (see figure below). The transponder collects all of the metering data via the AC power lines and communicates data to an optional transponder.
709704A1.CDR
FIGURE 1–1: Overview of Transponder Functionality
1–2 EPM 1500 SUB-METER – INSTRUCTION MANUAL
CHAPTER 1: OVERVIEW

1.2.3 Interior View

The interior of the EPM 1500 is shown below.
709703A1.CDR
FIGURE 1–2: Interior View of the EPM 1500
Note
Where the and symbols are seen on the EPM 1500 meter, the manual must be consulted to determine the nature of any potential hazard and/or actions to be taken.

1.2.4 Cautions and Warnings

• Do not install if the device is damaged. Inspect the housing for obvious defects such as cracks in the housing.
• If the device is installed or used in a manner not specified by accompanying documents, the protection of the device may be impaired.
• If the device functions abnormally, proceed with caution. The protection of the device may be impaired.
• Do not install the meter around combustible gas or gas vapor.
• Do not install the meter in an electrical service with current or voltage outside of the specified limit of the device.
• Do not operate the meter with the cover removed.
• To avoid electric shock, disconnect mains before replacing fuses!
• See instructions for connection diagram.
• Risk of electric shock. Beware of working around this meter when the voltage is live.
• For continued protection against fire, replace only with fuses of specified voltage and current rating.
EPM 1500 SUB-METER – INSTRUCTION MANUAL 1–3

1.2.5 Protective Conductor Terminal

Securely fasten one end of the earthing wire so that the screw cuts the paint on the back box. Securely fasten other end of the wire to a true earth ground connection. When earthing to the electrical conduit, use continuous pipes, bending when necessary instead of using couplers.

1.2.6 Preventive Maintenance

There are no necessary preventative maintenance or inspection.
A Toshiba CR2032 coin battery is used in each device and is intended to be good for decades before replacement. Return to manufacturer for replacement.
CHAPTER 1: OVERVIEW
1–4 EPM 1500 SUB-METER – INSTRUCTION MANUAL

1.3 Specifications

1.3.1 Technical Specifications

CHAPTER 1: OVERVIEW
OPERATING SPECIFICATIONS
Voltage:...............................................................120, 240, 277, 347, 480, 600 V (90% to 110%)
Frequency:.........................................................60 Hz
Power:..................................................................2 W for 120V; 5 W for 220 to 600 V
ENVIRONMENT
Usage:..................................................................For indoor use only
Temperature:....................................................–20°C to +60°C
Humidity:............................................................0 to 95% R.H. (non-condensing)
Pollution Degree: ............................................1
Maximum altitude:.........................................2000 m
CONTROL POWER
Input: ....................................................................120 V phase A to neutral
277 V phase A to neutral 480 V phase to phase (internally powered through metered voltage; no external
source is required)
Frequency:.........................................................50 to 60 Hz
Operating power: ...........................................2 watts for 120 V
5 watts for 277 V and 480 V
Fuses:...................................................................1 - Buss fuse 250 V / 500 V 0.25 A / 0.125 A slow-acting
3 - Buss fuse 250 V /600 V 4.0 A fast-acting
TYPE TESTS
Transient/surge suppression: ..................ANSI C37.90.1-1989
Installation category: III. .............................This product falls under Installation Category III because
of its distribution level, fixed installation and has smaller
transient overvoltages than an Installation Category IV.
METERING
Metered Voltage: ............................................120, 220, 240, 277, 347, 380, 480, 600 V Delta or Wye, 50/
60 Hz
Current Input:...................................................0.1 A, 5.0 A
Secondary inputs: ..........................................50 to 4000 A primary available
Minimum current sensitivity:.....................0.06 A
INPUT AND OUTPUT CONNECTIONS
See installation diagram
INSULATION OF EXTERNAL CIRCUITS
See installation diagram
PHYSICAL
Dimensions:.......................................................13.5"H × 8.5"W × 4.5"D

1.3.2 Approvals

APPROVALS
UL and CUL: ......................................................recognized under E204142
ANSI: .....................................................................C12.1 and C12.16 accuracy
EPM 1500 SUB-METER – INSTRUCTION MANUAL 1-5

1.4 Ordering

1.4.1 Catalog Numbers

The order codes for the EPM 1500 are indicated below.
EPM 1500 Without CTs
Family Voltage Version CTs Delta Options Description
PL1500 * * * * *
CHAPTER 1: OVERVIEW
120 120/208V 3 phase 277 277/480V 3 phase 347 347/600V 3 phase
K KWh version D Demand version
L 0.1 amps CT secondary input H 5 amps CT secondary input
P Pulse data module
MOD Modbus communications 480 480V Delta 600 600V Delta
D Demand version
L 0.1 amps CT secondary input H 5 amps CT secondary input
DTA Delta 3P3W
P Pulse data module
MOD Modbus communications
EPM 1500 With CTs
Family Voltage Version CTs Option Description
PL1500 * * * *
120 120/208V 3 phase 277 277/480V 3 phase 347 347/600V 3 phase
1.4.2 Pulse Modules
The following modifications are available:
Description Cat. No.
KYZ Pulse output option PL1500 KYZ Input module for 4 pulse inputs PL1500PULSIN10
K KWh version D Demand version
SP050 Split core 50A CTs -set of 3 SP100 Split core 100A CTs - set of 3 SP200 Split core 200A CTs- set of 3 SP400 Split core 400A CTs - set of 3 SP800 Split core 800A CTs - set of 3 SP3200 Split core 3200A CTs - set of 3 SL050 Solid core 50A CTs - set of 3 SL100 Solid core 100A CTs - set of 3 SL200 Solid core 200A CTs - set of 3 SL400 Solid core 400A CTs - set of 3
CTs
Type Description Cat. No.
Solid Core - 0.1 A Secondary
Solid Core - Canadian CT-2/5DARL (200A/5A) PLSUBCTSL201CDN
Split Core - 0.1 A Secondary
1.4.3 Transponders
The following transponder options are available:
1. Order Back Box
Description Cat. No.
120V service back box TRANS BBA 120V 277V service back box TRANS BBA 277V 347V service back box TRANS BBA 347V
2. Order Transponder Model with options
Description Cat. No.
120/208V with modem TRANS120M 120/208V with RS485 and RS2332 connections TRANS120RS 277/480V with modem TRANS277M 277/480V with RS485 and RS232 connections TRANS277RS 347/600V with modem TRANS347M 347/600V with RS485 and RS 232 connections TRANS347RS
CT-50 (50/0.1A) PLSUBCTSL050 CT-1 (100/0.1A) PLSUBCTSL101 CT-2 (200/0.1A) PLSUBCTSL201 CT-4 (400/0.1A) PLSUBCTSL401
CTSP-50 (50/0.1A) PLSUBCTSP050 CTSP-1 (100/0.1A) PLSUBCTSP101 CTSP-2 (200/0.1A) PLSUBCTSP201 CTSP-4 (400/0.1A) PLSUBCTSP401 CTSP-8 (800/0.1A) PLSUBCTSP801 CTSP-12 (1200/0.1A) PLSUBCTSP1201 CTSP-20 (2000/0.1A) PLSUBCTSP2001 CTSP-30 (3000/0.1A) PLSUBCTSP3001 CTSP-40 (4000/0.1A) PLSUBCTSP4001
1–6
The transponder can handle up to 150 meter points (i.e. 150 EPM 1500 points).
EPM 1500 SUB-METER – INSTRUCTION MANUAL
GE Energy
Industrial Solutions

2.1 Getting Ready

EPM 1500 Single Point
Submetering System
Chapter 2: Installation

Installation

2.1.1 Determination of Metering System Requirements

Determine if the application is for a metering system or for a stand-alone meter. If the application is for a stand-alone meter, proceed directly to the next section. If the application is for a metering system, then please read Installing the GE Transponder on page 2–13.

2.1.2 Overview of Meter Wiring

Although this document treats the installation and certification stages separately, this does not imply that the recommended procedure is to install the entire system at once and then proceed to certification.
The recommended procedure is to install and certify the system in stages. By doing this, systematic error can be corrected before it propagates through the entire installation. To follow the recommended procedure, divide the job up into manageable stages and install and certify at each stage before proceeding to the installation of the next stage.
For the purposes of this discussion, the colors black, red and blue have been chosen to distinguish among the three phases of a three-phase network. White is the designated color of neutral and green is the color of earth ground. Please substitute the correct color according to local electrical code. For a two-phase installation, ignore the third phase (the blue phase in the following description).
Failure to follow the proper procedures and reference the correct wiring diagram can result in damage to the equipment and/or physical harm.
EPM 1500 SUB-METER – INSTRUCTION MANUAL 2–1

2.2 Wiring Diagrams

2.2.1 Overview

Review the following wiring diagrams and select the one that matches your installation requirements and part number using the following table.
FIGURE 2–1: 3-Phase, 4-Wire Wye Wiring on page 2–3
CHAPTER 2: INSTALLATION
Table 2–1: Wiring Diagram / Model Reference
Figure Applicable Models
PL1500208S****K PL1500208S****D PL1500480S****K PL1500480S****D
FIGURE 2–2: 1-Phase, 3-Wire Center-Tap-Neutral 120/240 V Wiring on page 2–4
FIGURE 2–3: 3-Phase, 4-Wire Center-Tap-Neutral 120/240 V Delta Wiring on page 2–5
FIGURE 2–4: 3-Phase, 3-Wire Ungrounded 480 V Delta Wiring on page 2–6
FIGURE 2–5: 3-Phase, 3-Wire Corner-Grounded 480 V Delta Wiring on page 2–7
FIGURE 2–6: CT Terminations for 1600 A and 3200 A Models on page 2–8
PL1500208S****K PL1500208S****D
PL1500208S****K PL1500208S****D
PL1500480DELTA
PL1500480DELTA
PL1500***SP162* PL1500***SP322*
2–2 EPM 1500 SUB-METER – INSTRUCTION MANUAL
CHAPTER 2: INSTALLATION

2.2.2 3-Phase, 4-Wire Wye

709709A2.CDR
FIGURE 2–1: 3-Phase, 4-Wire Wye Wiring
EPM 1500 SUB-METER – INSTRUCTION MANUAL 2–3

2.2.3 1-Phase, 3-Wire Center-Tap-Neutral 120/240 V

CHAPTER 2: INSTALLATION
709705A2.CDR
FIGURE 2–2: 1-Phase, 3-Wire Center-Tap-Neutral 120/240 V Wiring
2–4 EPM 1500 SUB-METER – INSTRUCTION MANUAL
CHAPTER 2: INSTALLATION

2.2.4 3-Phase, 4-Wire Center-Tap-Neutral 120/240 V Delta

709708A1.CDR
FIGURE 2–3: 3-Phase, 4-Wire Center-Tap-Neutral 120/240 V Delta Wiring
EPM 1500 SUB-METER – INSTRUCTION MANUAL 2–5

2.2.5 3-Phase, 3-Wire Ungrounded 480 V Delta

CHAPTER 2: INSTALLATION
709707A1.CDR
FIGURE 2–4: 3-Phase, 3-Wire Ungrounded 480 V Delta Wiring
2–6 EPM 1500 SUB-METER – INSTRUCTION MANUAL
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