1747 cat. nos – Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command User Manual

Page 141

Advertising
background image

9–3

Diagnostic Counters

Publication 1770Ć6.5.16 - October 1996

Cat. Nos.

Link

Pages

1747ĆKE

DH485

9-3

1747ĆL20, ĆL30, ĆL40, ĆL511, ĆL514, ĆL524, ĆL532

À

DH485

9-3

1747 L541 L542 L542

Á

DH+

9-4

1747ĆL541, ĆL542, ĆL542

Á

DH485

9-5

1747ĆL541, ĆL542, ĆL542

Á

DF1

9-6

À

SLC 500, 5/01, and 5/02 processors

Á

SLC 5/03 and 5/04 processors

1747ĆKE 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 (nonĆdelivery)

6

NAK, no memory sent

7

NAK, no memory received

8

Total bad message packets received

9

Reserved

1747ĆL20, ĆL30, ĆL40, ĆL511, ĆL514, ĆL524, (SLC 500, 5/01, and 5/02

processors), 1747ĆPA2x (SLC APS COM1), 1770ĆKF3, and

1784ĆKR 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

Bad messages due to illegal type

1747 Cat. Nos.

Advertising