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CHAPTER 4:
EPM 5100 ELECTRONIC POWER METER – USER GUIDE
4–3
METERING
accuracy ..........................................................................................................................................................3-3
current..................................................................................................................................................... 3-4, 3-7
demand .................................................................................................................................................. 3-5, 3-8
energy ..................................................................................................................................................... 3-5, 3-8
frequency............................................................................................................................................... 3-5, 3-8
integrity.............................................................................................................................................................3-1
power....................................................................................................................................................... 3-4, 3-7
power factor......................................................................................................................................... 3-6, 3-8
sample screen ...............................................................................................................................................3-3
self-test.............................................................................................................................................................3-1
voltage .................................................................................................................................................... 3-4, 3-7
wye configuration........................................................................................................................................3-4
MODBUS
address .......................................................................................................................................................... 4-12
format codes..................................................................................................................................................5-5
installation.................................................................................................................................................... 2-15
memory map .................................................................................................................................................5-2
overview...........................................................................................................................................................1-4
wiring.............................................................................................................................................................. 2-15
N
O
P
PANEL MOUNTING .................................................................................................................................................1-7
PASSWORD....................................................................................................................................................4-3, 4-18
PHASE LOSS ..............................................................................................................................................................3-2
POTENTIAL TRANSFORMERS
connections ................................................................................................................................................. 2-10
ratio ................................................................................................................................................................. 4-16
POWER
metering................................................................................................................................................. 3-4, 3-7
Modbus registers................................................................................................................................ 5-3, 5-4
POWER FACTOR
metering................................................................................................................................................. 3-6, 3-8
Modbus registers................................................................................................................................ 5-3, 5-4
applications ................................................................................................................................................. 1-12
metering...........................................................................................................................................................3-6
Modbus registers..........................................................................................................................................5-5
setting............................................................................................................................................................. 4-16
PULSE INITIATION
PULSE OUTPUTS
Modbus registers..........................................................................................................................................5-4
setup ............................................................................................................................................................... 4-14