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

Page 145

Advertising
background image

9–7

Diagnostic Counters

Publication 1770Ć6.5.16 - October 1996

Cat. Nos.

Link

Pages

1761ĆL16AWA, ĆL16BBB, ĆL16BWB, ĆL32AWA, ĆL32BWA,

DH485

9-7

1761 L16AWA, L16BBB, L16BWB, L32AWA, L32BWA,

ĆL32BWB

DF1

9-7

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.

Advertising