Diagnostic Status - AB Quality Allen-Bradley DH-485 User Manual

Communication interface
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Appendix B
Diagnostic Command Support

Diagnostic Status

B 4
Example of an Active Node Table
A network consists of 5 stations, numbered 0, 3, 4, 5, and 7. The Active
Node Table would look like this:
0
3
1
FF
2
FF
3
4
4
5
5
7
6
FF
7
0
This command requests a block of status information from a DH-485
device. The reply contains the information in its DATA field. The status
information varies from device to device. The KF3's status block is given
below.
Figure B.5
Diagnostic Status Command Format
1 byte
1 byte
CMD
STS
06
Figure B.6
Diagnostic Status Reply Format
1 byte
1 byte
CMD
STS
46
2 bytes
1 byte
TNS
FNC
03
2 bytes
24 bytes
TNS
DATA

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