Chapter 1 General Information
8 Series PM172 Powermeters
COM2:
RS-422/RS-485
• Modbus RTU, Modbus/TCP, DNP3, DNP3/TCP, GE
EGD producer, Profibus DP and proprietary ASCII
communication protocols
• 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
E, EH
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 Import & Export
3
3
kVA Predicted Demand
3
3
kW Maximum Demand Import
3 3
kW Maximum Demand Export
3
kvar Maximum Demand Import
3 3
kvar Maximum Demand Export
3
kVA Maximum Demand
3 3
Total Energy
E, EH
Total kWh Import & Export
3 3
3
Total kvarh Import & Export
3 3
3
Total kvarh Net
3