User`s guide

Page 41

Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18)

Words [47 63] (Run-time feedback of real-time values set by the 1746-C)

1. Word [47]: Rollover Counter for Scan Period Counter (Accumulator).

2. Word [48]: Scan Period Counter (Accumulator).

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3. Word [49]: The port number for the currently “preferred port”.

4. Word [50]: Total number of valves polled during last network-scan time slice

(before servicing the PLC communications).

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5. Word [51]: This scan period: Last Network Scan Time (0.1 sec increments).

6. Word [52]: This scan period: Total elapsed time (0.1 sec increments).

7. Word [53]: This scan period: Average scan time (0.1 sec increments).

8. Word [54]: This scan period: Shortest scan time (0.1 sec increments).

9. Word [55]: This scan period: Longest scan time (0.1 sec increments).

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10. Word [56]: Last scan period: Average scan time last period (0.1 sec increments).

11. Word [57]: Last scan period: Total scan time last period (0.1 sec increments).

12. Word [58]: Last scan period: Shortest scan time last period (0.1 sec increments).

13. Word [59]: Last scan period: Longest scan time last period (0.1 sec increments).

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14. Word [60]: Duration of last diagnostic scan. (0.1 sec increments).

15. Word [61]: Duration of previous diagnostic scan (0.1 sec increments).

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16. Word [62]: Current period scan loop counter.

17. Word [63]: Current number of actuators “online” and communicating.

Note: All real-time timing information reported (reported back by the 1746-C module) has an accuracy

of (+/-) 50ms.