Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario descargar pdf (Pagina 187)

Error Reporting

Chapter 7

732

8. Number of NAKs passed from the separator to the transmitter.

9. Number of timeouts waiting for a response.

10. Number of ENQs sent.

11. Number of messages that could not be successfully sent.

12. Number of reply messages that could not be forwarded and which

were destroyed.

13. 16-bit count of messages received.

14. Not used.

15. 16-bit count of ACKs sent.

16. Not used.

17. Number of NAKs sent.

18. Number of ENQs received.

19. Number of retransmissions received and ACKed. A retransmission

is a message that has a transparent word, command, and source that

match the previous message.

20. Number of STX (full-duplex mode) or SOH (half-duplex mode)

received. This is in effect a count of the number of messages that

were started.

21. Number of messages, characters, or message fragments that were

ignored.

22. Number of messages that were aborted by receipt of a DLE ENQ.

23. Number of messages that were aborted by the receipt of an

unexpected control code other than DLE ENQ.

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Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario Pagina 187