1761 cat. nos – Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command User Manual
Page 145

9–7
Diagnostic Counters
Publication 1770Ć6.5.16 - October 1996
Cat. Nos.
Link
Pages
1761ĆL16AWA, ĆL16BBB, ĆL16BWB, ĆL32AWA, ĆL32BWA,
DH485
1761 L16AWA, L16BBB, L16BWB, L32AWA, L32BWA,
ĆL32BWB
DF1
1761ĆL16AWA, ĆL16BBB, ĆL16BWB, ĆL32AWA, ĆL32BWA,
ĆL32BWB (MicroLogix 1000 processors, Series C or later) DH485
Diagnostic Counters
This counter byte Counts the number of
0
Total message packets received, low byte
1
Total message packets received, high byte
2
Total message packets sent, low byte
3
Total message packets sent, high byte
4
Message packet retries
5
Retry limit exceeded
6
NAK, no memory sent
7
NAK, no memory received
8
Total bad message packets received
9
Reserved
1761ĆL16AWA, ĆL16BBB, ĆL16BWB, ĆL32AWA, ĆL32BWA,
ĆL32BWB (MicroLogix 1000 processors) DF1 Diagnostic
Counters
This counter byte Counts the number of
0, 1
Unused
2, 3
Message packets sent
4, 5
Message packets received
6, 7
Messages undelivered
8, 9
ENQ packets sent
10, 11
NAK packets received
12, 13
ENQ packets received
14, 15
Bad message packets received NAKed
16, 17
Out of memory NAKed
18, 19
Duplicate message packets
20, 21
Framing errors detected
22, 23
Unused
24, 25
Unused
1761 Cat. Nos.