Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario descargar pdf (Pagina 185)

Error Reporting

Chapter 7

730

31. Number of ENQs sent.

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

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

were destroyed.

34. 16-bit count of messages received.

35. Not used.

36. 16-bit count of ACKs sent.

37. Not used.

38. Number of NAKs sent.

39. Number of ENQs received.

40. Number of retransmissions received and ACKed. A retransmission

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

match the previous message.

41. 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.

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

ignored.

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

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

unexpected control code other than DLE ENQ.

45. Number of times the DLE ACK response was sent but there was no

buffer space for the next message.

46. Number of times DLE NAK was sent because there was no buffer.

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Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Manual de usuario Pagina 185