Siemens DTU3005-B Manual do Operador descarregar pdf (Página 74)

Appendix C: Device Data Format

70 Siemens Energy & Automation, Inc.

Alarm Function Status

Note: When bit numbers are

specified, Bit 15 is the

highest order bit in the

PLC register.

46 Bit Contents

15–10 Unused

9 Harmonic Distortion Alarm

8 Under PF Lag Alarm

7 Over PF Lead Alarm

6 Over kVAR Alarm

5 Over kVA Alarm

4 Over kW Demand Alarm

3Over kW Alarm

2Over Amp Demand Alarm

1 Grnd Over Amp Alarm

0 Over Amp Alarm

Protective Relay Status 47 Bit Contents

15–8 Unused

7 Under Frequency Alarm

6 Over Frequency Alarm

5 Over Reverse kW Alarm

4 Overvoltage Alarm

3 Voltage Unbalanced Alarm

2 Undervoltage Alarm

1 Current Unbalanced Alarm

0 Neutral Over Amp Alarm

Event Counter 48 0...65535

System Error Flag 49 0 = No System Errors

1 = EEPROM Write Error

2 = Status Update Error

3 = Clear Trip Log Error

4 = Trip Log Entry Error

5 = Breaker Test Error

6 = Trip Error

THD Phase A 50 0-100

THD Phase B 51 0-100

THD Phase C 52 0-100

THD Neutral 53 0-100

Device Command Data Retrieved From PLC (Energy/Comm)

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

0 = No Command to Perform Unused for Command 0

1 = Reset All Demand Values Unused for Command 1

2 = Reset All Hour Counters Unused for Command 2

3 = Close Breaker Unused for Command 3

4 = Open Breaker Unused for Command 4

Real-Time Device Data Stored in PLC (Energy/Comm) (Continued)

Real-Time Data Register Location in

PLC Block

Range or Contents

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 119 120

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