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Appendix C: Device Data Format

Siemens Energy & Automation, Inc. 57

C.2 Device Type: 4300 Power Meter

Real-Time Device Data Stored in PLC (4300 Power Meter)

Real-Time Data Register Location in

PLC Block

Range or Contents

Power Factor 0 0...1000, 0.1 percent

PF Lag/Lead 1 0 = Unity, 1 = Lag, 2 = Lead

Voltage L-N Phase A 2

–3 0...999999 V

Voltage L-N Phase B 4

–5 0...999999 V

Voltage L-N Phase C 6

–7 0...999999 V

Voltage L-L Phase AB 8

–9 0...999999 V

Voltage L-L Phase BC 10

–11 0...999999 V

Voltage L-L Phase CA 12

–13 0...999999 V

Current Phase A 14 0...65000 A

Current Phase B 15 0...65000 A

Current Phase C 16 0...65000 A

Kilowatts 17

–18 -999999...999999 kW

Kilowatt Demand 19

–20 -999999...999999 kW Max

Maximum Kilowatt Demand 21

–22 -999999...999999 kW

Kilowatt Hours (net) 23

–24 -999999999...999999999 kWH

Frequency 25 0...32767, 0.1 Hz

Kilovolt-Amperes 26

–27 0...999999 kVA

Kilovolt-Amperes Reactive 28

–29 0...999999 kVAR

Reserved 30

–33 For Future Expansion

Device Command Data Retrieved From PLC (4300 Power Meter)

First Command Word (Command Word) Second Command Word (Data or Value)

0 = No Command to Perform Unused for Command 0

1 = Reset Max Kilowatt Demand Unused for Command 1

2 = Reset Kilowatt Hours Unused for Command 2

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 119 120

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Siemens DTU3005-B Manuale dell'Operatore Pagina 61

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