User guide
9–22 Diagnostic Counters
Publication
17706.5.16 - October 1996
Asynchronous Link Counters (1775KA only)
This counter byte Counts the number of
29, 30 Command messages sent.
31, 32 Reply messages received.
33, 34 Command messages received.
35, 36 Reply messages sent.
37, 38 ACKs received.
39, 40 ACKs sent.
41, 42 NAKs received.
43, 44 NAKs sent.
45 Undeliverable reply messages.
46, 47 Computer link timeouts (preset to 500 ms).
48 NAKs accepted per message (preset to 10)maximum number.
49 ENQs sent per message (preset to 10)maximum number.
50 NAKs (current count).
51 ENQs (current count).