Owner's manual

Chapter 1 General Information
Series PM174 Powermeters 9
RS-422/RS-485
• Communication protocols: Modbus RTU, Modbus
ASCII, Modbus/TCP, DNP3, DNP3/TCP, GE EGD
producer, and Profibus DP (with firmware V24.2.1
and later)
• Easy field upgrading device firmware through any
communication port
Measured Parameters
Parameter Display Comm. Analog Pulse Alarm
1-cycle Real-time
Measurements
RMS Voltage per phase
3 3 3
RMS Current per phase
3 3 3
kW per phase
3 3
kvar per phase
3 3
kVA per phase
3 3
Power Factor per phase
3 3
Total kW
3 3 3
Total kvar
3 3 3
Total kVA
3 3 3
Frequency
3 3 3
Neutral Current
3 3 3
Total Power Factor
3 3 3
Voltage & Current unbalance
3 3
1-sec Average
Measurements
RMS Voltage per phase
3 3 3 3
RMS Current per phase
3 3 3 3
kW per phase
3 3 3
kvar per phase
3 3 3
kVA per phase
3 3 3
Power Factor per phase
3 3 3
Total kW
3 3 3 3
Total kvar
3 3 3 3
Total kVA
3 3 3 3
Total Power Factor
3 3 3 3
Frequency
3 3 3 3
Neutral Current
3 3 3 3
Voltage & Current unbalance
3 3 3
Amps & Volt Demands
Ampere & Volt Demand per
phase
3 3
Ampere Maximum Demand
per phase
3 3 3
Voltage Maximum Demand
per phase
3 3 3
Power Demands
kW Accumulated Demand
Import & Export
3 3 3
kvar Accumulated Demand
Import & Export
3 3 3
kVA Accumulated Demand
3 3 3
kW Demand Import & Export
3 3
kvar Demand Import &
Export
3 3
kVA Demand
3 3
kW Sliding Demand Import &
Export
3 3
kvar Sliding Demand Import
& Export
3 3
kVA Sliding Demand
3 3
kW Predicted Demand Import
& Export
3 3
kvar Predicted Demand
3 3