Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 166)

9–28 Diagnostic Counters
Publication 1770Ć6.5.16 - October 1996
1785ĆKA3 DH+ Diagnostic Counters
This counter byte Counts the number of
0
Received ACKs with a bad CRC.
1 Timeouts that expired with no ACK received.
2 Transmit retries exhausted.
3 NAKs sent due to an illegal protocol operation.
4 NAKs sent due to a bad LSAP.
5 NAKs sent due to memory available.
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 Duplicate tokens found.
10 Duplicate nodes found.
11 Token pass timeouts.
12 Token pass retries exhausted.
13 Claim token sequences entered.
14 Tokens claimed.
15 Bad CRC in received frame.
16 NAKs sent due to an illegal protocol operation.
17 NAKs sent due to a bad LSAP.
18 NAKs sent due to memory available.
19 Received frames that were too short.
20 Received frames that were too long.
21 Frame retransmissions received.
22 Received frames aborted (line noise).
23, 24 Messages successfully sent (low byte first).
25, 26 Messages successfully received (low byte first).
27, 28 Commands successfully sent (low byte first).
29, 30 Replies successfully received (low byte first).
31, 32 Commands successfully received (low byte first).
33, 34 Replies successfully sent (low byte first).
35 Replies that could not be sent (low byte first).
36 Number of active nodes.
37 Breaks sent to the IT.
38 PLCĆ2 resyncs.
39 T3 errors to go before force table cleared (max = 5).
40 Edit connections requested.
41 Edit connections granted.
42 Edit connections that timed out.