Rockwell-automation 1402-LSM Line Synchronization Module Installation Manual de usuario descargar pdf (Pagina 40)

Chapter 4

Application Information

4–6

Discrete Inputs to the PLC–5

The discrete inputs to the PLC–5 are as follows:

able 4.3

Octal

Bit

Number

Decimal Bit

Number

Input Description State Values

17 15 Module Status 1 = Module Failed

16 14 Raise Voltage 1 = Raise

15 13 Lower Voltage 1 = Lower

14 12 Raise Speed – Frequency Adjust 1 = Raise

13 11 Lower Speed – Frequency Adjust 1 = Lower

12 10 Raise Speed – Phase Adjust 1 = Raise

11 9 Lower Speed – Phase Adjust 1 = Lower

10 8 Raise Power – Load Share Adjust 1 = Raise

7 7 Reserved N/A

6 6 Reserved N/A

5 5 Reserved N/A

4 4 Reduce Power – Load Share Adjust 1 = Lower

3 3 Close Breaker 1 = Close Breaker

2 2 Synchronization Failure 1 = Failure

1 1 Powered Up Bit 1 = Module Ready

0 0 Reserved N/A

The Module Status discrete input to the PLC–5 when set to 1 indicates that

the LSM has identified a potential problem. A value of 0 indicates normal

operation of the LSM. Additional information pertaining to the cause of the

problem may be obtained by reading the appropriate block transfer data from

the “Diagnostic Parameters” Table B.11. (See Appendix B, “Block Transfer

Tables and Discrete I/O Definition”, for additional information.)

If the Module Status discrete input to the PLC–5 is set to 1, all block transfer

writes will be ignored and only the Diagnostic Parameters block transfer read

will return valid data. Any other block transfers should not be executed at

this time.

The Raise Voltage synchronization error discrete input to the PLC–5

indicates that the Synchronizing Bus has a lower voltage level than that of

the Reference Bus.

The Lower Voltage synchronization error discrete input to the PLC–5

indicates that the Synchronizing Bus has a higher voltage level than that of

the Reference Bus.

The Raise Speed – Frequency Adjust synchronization error discrete input to

the PLC–5 indicates that the Synchronizing Bus is producing voltage at a

frequency lower than that of the Reference Bus.

Int

erf

acing

LSM

ontinu

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 86 87

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