Rockwell Automation 1770-KF3 DH-485 Communication Interface User Manual - Manual (Page 54)

Diagnostic Command Support
Appendix B
BĆ6
This command reads the link parameters defined for the KF3. Currently
there is only one link parameter: Maximum Token Holder Address. This
command returns the value for this parameter in the DATA byte.
Figure B.9
Read Link Parameters Command Format
CMD
06
STS TNS FNC
09
1 byte 1 byte 2 bytes 1 byte
PARAMETER
0000
SIZE
01
2 bytes 1 byte
Figure B.10
Read Link Parameters Reply Format
CMD
46
STS TNS DATA
1 byte
1 byte 1 byte 2 bytes 1 byte
This command sets the link parameters defined for the KF3 and saves them
in EEPROM. Currently there is only one link parameter: Maximum Token
Holder Address. This command sets the maximum token holder address
in the KF3. Note that this command will override the value set when the
module was configured.
Figure B.11
Set Link Parameters Command Format
CMD
06
STS TNS FNC
0A
1 byte 1 byte 2 bytes 1 byte
PARAMETER
0000
SIZE
01
2 bytes 1 byte
DATA
1 byte
Figure B.12
Set Link Parameters Reply Format
CMD
46
STS TNS
1 byte 1 byte 2 bytes
Read Link Parameters
Set Link Parameters