CHAPTER 1: OVERVIEW
SPECIFICATIONS
EPM 4
5
00 SUB METER – INSTRUCTION MANUAL
1–5
1.3
Specifications
1.3.1
Monitoring
DEMAND
Consumption and demand: .....................kW and kWh
Demand reset: .................................................allows local reset of peak demand register
INTERVAL DATA AND PEAK DEMAND
Commercial:......................................................15 minute block demand interval and peak demand with
date and time stamp
Residential:........................................................1 hour block demand interval
DATA LOGGER
Duration:.............................................................120 days with kW and kWh
Battery:................................................................internal battery maintains time and current interval
metering data during power outage only
1.3.2
Power Supply
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
1.3.3
Metering
MEASURED VALUES
Real time per phase:.....................................voltage, current, kW, kvar, kVA, power factor, frequency,
phase angle
Data logging:....................................................kWh, kW demand
METER ACCURACY
Accuracy: ...........................................................0.5 class accuracy
±0.5% unity and 50% power factor, 1 to 100% of full-
scale
Standards: .........................................................meets revenue certifiable ANSI C12.1 and C12.16
accuracy standards
LIQUID CRYSTAL DISPLAY (LCD)
Display size:.......................................................32-digit LCD, 16 digits in two rows
Data digit height:............................................0.31"
Consumption register: .................................6 digits
Содержание EPM 4500
Страница 2: ......
Страница 14: ...1 10 EPM 4500 SUB METER INSTRUCTION MANUAL ORDERING CHAPTER 1 OVERVIEW ...
Страница 34: ...2 20 EPM 4500 SUB METER INSTRUCTION MANUAL INSTALLING THE SCAN TRANSPONDER CHAPTER 2 INSTALLATION ...
Страница 42: ...3 8 EPM 4500 SUB METER INSTRUCTION MANUAL RESETTING THE DEMAND VALUES CHAPTER 3 USING THE METER ...
Страница 66: ...4 24 EPM 4500 SUB METER INSTRUCTION MANUAL MODBUS MEMORY MAP CHAPTER 4 COMMUNICATIONS ...
Страница 74: ...INDEX 4 EPM 4500 SUB METER INSTRUCTION MANUAL INDEX ...