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Appendix C: Device Data Format

58 Siemens Energy & Automation, Inc.

C.3 Device Type: 4700 Power Meter

Real-Time Device Data Stored in PLC (4700 Power Meter)

Real-Time Data Register Location in

PLC Block

Range or Contents

Voltage L-N Phase A 0

–1 0...999999 V

Voltage L-N Phase B 2

–3 0...999999 V

Voltage L-N Phase C 4

–5 0...999999 V

Voltage L-L Phase AB 6

–7 0...999999 V

Voltage L-L Phase BC 8

–9 0...999999 V

Voltage L-L Phase CA 10

–11 0...999999 V

Current Phase A 12 0...9999 A

Current Phase B 13 0...9999 A

Current Phase C 14 0...9999 A

Current N (I4) 15 0...9999 A

Kilowatts 16

–17 -999999...999999 kW

Kilovolt-Amperes Reactive 18

–19 0...999999 kVAR

Kilowatt Demand 20

–21 -999999...999999 kW

Power Factor 22 60.....100

PF Lag/Lead 23 0 = Unity, 1 = Lag, 2 = Lead

Frequency 24 400...700, 0.1 Hz

Auxiliary Voltage 25

–26 0...999999 V

Average Current Demand 27 0...9999 A

Kilowatt Hours (forward) 28

–29 0...1,000,000,000 kWH

Kilowatt Hours (reverse) 30

–31 0...1,000,000,000 kWH

Kilovolt-Amperes Reactive Hours

(Total)

–33 0...999999 kVARH

Kilovolt-Amperes (Total) 34

–35 0...999999 kVA

Input/Output Status

Note: When bit numbers are

specified, Bit 15 is the

highest order bit in the

PLC register.

36 Bit Contents

15 Discrete Input S3 (1 = On)

14 Discrete Input S2 (1 = On)

13 Discrete Input S1 (1 = On)

12 Relay 3 (1 = Closed)

11 Relay 2 (1 = Closed)

10 Relay 1 (1 = Closed)

9 Not Used

8 Setpoint 17 Reached

7 Not Used

6 Not Used

5Flag New Snapshot

4 Flag Diagnostic Fail

3 Flag New Min/Max

2 Flag New Event

1 Flag Alarm Status Change

0 Discrete Input S4 (1 = On)

Reserved 37

–41 For Future Expansion

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 119 120

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