Diagnostic status – Rockwell Automation 1747-KFC15 SLC500 CONTROLNET RS-232 USER MANUAL User Manual
Page 45
DF1 Diagnostic Command Support
C-3
1784-5.34 - June 1998
Table C.5: Reply Values
Diagnostic Status
This command requests a block of status information from an RS-232C
device. The reply contains the information in its DATA field. The status
information varies from device to device. The status block is shown
below.
Table C.6: Command Format
Table C.7: Reply Format
1
Total DF1 packets received, low byte
2
Total DF1 packets received, high byte
3
Total DF1 packets transmitted, low byte
4
Total DF1 packets transmitted, high byte
5
Number of DF1 retries
6
Number of DF1 packets where the retry limit was exceeded
7
Number of DF1 NAKs sent
8
Number of DF1 NAKs received
9
Number of DF1 bad messages received
10
Number of RS–232C line errors
11
Total good ControlNet packets received, low byte
12
Total good ControlNet packets received, high byte
13
Total bad ControlNet packets received, low byte
14
Total bad ControlNet packets received, high byte
15
Total ControlNet packets transmitted, low byte
16
Total ControlNet packets transmitted, high byte
1 byte
1 byte
2 bytes
1 byte
CMD
06
STS
TNS
FNC
03
1 byte
1 byte
2 bytes
24 bytes
CMD
46
STS
TNS
DATA