Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 162)

9–24 Diagnostic Counters
Publication 1770Ć6.5.16 - October 1996
Cat. Nos. Link Pages
1779ĆKP5 DH+ 9-24
1779ĆKP5 DH+ Diagnostic Counters
This counter byte Counts the number of
0
ACKs received with bad CRC.
1 Timeouts that expired with no ACK received.
2 Times transmit retries exhausted.
3 NAK or illegal protocol operations received.
4 NAKs - bad LSAPs received.
5 NAKs - no memory received.
6 Received ACKs/NAKs that were too short.
7 Received ACKs/NAKs that were too long.
8 Times something other than an ACK/NAK received.
9 Token pass timeouts.
10 Token pass retries exhausted.
11 Claim token entered.
12 Token claimed.
13 Bad CRC in received frame.
14 NAKs - illegal protocol operation sent.
15 NAKs - bad LSAP sent.
16 NAKs - no memory sent.
17 Received frames that were too short.
18 Received frames that were too long.
19 Times received a retransmission of a frame
20 Received frames aborted (line noise).
21, 22 Messages successfully sent (low byte first).
23, 24 Messages successfully received (low byte first).
25, 26 Commands successfully sent (low byte first).
27, 28 Replies successfully received (low byte first).
29, 20 Commands successfully received (low byte first).
31, 32 Replies successfully sent (low byte first).
33 Replies that could not be sent.
34 Number of active nodes.
1779 Cat. Nos.