beautypg.com

Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command User Manual

Page 142

background image

9–4

Diagnostic Counters

Publication 1770Ć6.5.16 - October 1996

1747ĆL541, ĆL542, and ĆL543 (SLC 5/04 processors) DH+

Diagnostic Counters

This counter byte Counts the number of
0, 1

Messages received

2, 3

Messages sent

4, 5

Messages received with errors

6, 7

Messages sent with errors

8, 9

Messages unable to receive

10, 11

Network dead

12, 13

Claims won

14, 15

Claims lost

16, 17

New successor

18, 19

Token retry

20, 21

Token failed

22, 23

Started linear scan

24, 25

Linear scan failed

26, 27

Duplicate node

28, 29

Dropped token

30, 31

Received SDA

32, 33

Received bad packets

34, 35

Received SDA reĆtransmission

36, 37

Received SDA but full

38, 39

Received SDA SAP off

40, 41

Transmit SDA confirm

42, 43

Transmit SDA NAK misc

44, 45

Transmit SDA timeout

46, 47

Transmit SDA not ACKed

48, 49

Transmit SDA retry

50, 51

Transmit SDA failed

52, 53

Transmit SDA NAKed (full)

54, 55

Transmit SDA NAKed inactive SAP

56, 57

Transmit SDN confirm

58, 59

Transmit SDN failed

60, 61

Solicit rotations

62, 63

Receive SDN