
Appendix E: Device Data Format
Siemens Energy & Automation, Inc. 91
E.10 Device Type: Sentron SB Energy Comm Trip Unit
Real-Time Device Data Stored in PLC (Energy/Comm)
Real-Time Data Register Location in
PLC Block
1
Range or Contents
Current Phase A 0 0...65535 A
Current Phase B 1 0...65535 A
Current Phase C 2 0...65535 A
Current Ground 3 0...65535 A
Voltage L-N Phase A 4 0...65535 V
Voltage L-N Phase B 5 0...65535 V
Voltage L-N Phase C 6 0...65535 V
Voltage L-L Phase AB 7 0...65535 V
Voltage L-L Phase BC 8 0...65535 V
Voltage L-L Phase CA 9 0...65535 V
Instantaneous Watts 10–11 0...4294967293 W
Instantaneous Watts Units 12 0 = Watts, 1 = kW, 2 = mW
Instantaneous Watts Direction 13 0 = Reverse, 1 = Forward
Instantaneous Volts-Amps Reactive 14–15 0...4294967293 VAR
Instantaneous Volts-Amps Reactive Units 16 0 = VAR, 1 = kVAR, 2 = mVAR
Instantaneous Volts-Amps Reactive
Direction
17 0 = Reverse, 1 = Forward
Instantaneous Volts-Amps 18–19 0...4294967293 VA
Instantaneous Volts-Amps Units 20 0 = VA, 1 = kVA, 2 = mVA
Amps Demand 21 0...65535 A rms
Watts Demand 22–23 0...4294967293 W
Watts Demand 24 0 = Watts, 1 = kW, 2 = mW
Watts Demand Direction 25 0 = Reverse, 1 = Forward
Forward Watt Hours 26–27 0...4294967293 W
Forward Watt Hours Units 28 0 = Watts Hrs, 1 = kWH, 2 = mWH
Reverse Watt Hours 29–30 0...4294967293 W
Reverse Watt Hours Units 31 0 = Watts Hrs, 1 = kWH, 2 = mWH
Forward Volts-Amps Reactive Hours 32–33 0...4294967293
Forward Volts-Amps Reactive Hours
Units
34 0 = VAR Hrs, 1 = kVARH, 2 = mVARH
Reverse Volts-Amps Reactive Hours 35–36 0...4294967293 VAR
Reverse VAR Hours Units 37 0 = VAR Hrs, 1 = kVARH, 2 = mVARH
Power Factor Phase A 38 0...100, 0.01%
PF Phase A Direction 39 0 = Lead, 1 = Lag
Power Factor Phase B 40 0...100, 0.01%
PF Phase B Direction 41 0 = Lead, 1 = Lag
Power Factor Phase C 42 0...100, 0.01%
PF Phase C Direction 43 0 = Lead, 1 = Lag
Frequency 44 400...700, 0.1 Hz
Breaker Position 45 0 = Open, 1 = Closed
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