1747 cat. nos – Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command User Manual
Page 141

9–3
Diagnostic Counters
Publication 1770Ć6.5.16 - October 1996
Cat. Nos.
Link
Pages
1747ĆKE
DH485
1747ĆL20, ĆL30, ĆL40, ĆL511, ĆL514, ĆL524, ĆL532
À
DH485
1747 L541 L542 L542
Á
DH+
1747ĆL541, ĆL542, ĆL542
Á
DH485
1747ĆL541, ĆL542, ĆL542
Á
DF1
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.