Appendix B: Master-Slave Protocol
VT400 Technical Manual, Rev. A5 73 Doc # UM-VT400-EN
6 Command: Force Setpoint Outputs
This command sets or cancels setpoints but does not activate them. After this
command is issued the setpoints can be activated using the Enable Setpoint Outputs
command (see below).
Master
Transmission
ID SLAVE 6 12---- BCS
1,2: Status of setpoints 1 and 2: 0 turns setpoint off, 1 turns setpoint
on)
Slave Response ECHO
7 Command: Enable Setpoint Outputs
This command is typically used after a Force Setpoint Output command (see above)
and it used to activate setpoints using the current settings in the slave memory.
Master
Transmission
ID SLAVE 7 XXXXXX BCS
XXXXXX: These bytes are not used; fill with Space character (20h).
Slave Response ECHO
8 Command: Upload Error Code
This command uploads an error code when an error associated with status byte,
upload weight or status command is detected. Error codes are listed in 9.1.
Master
Transmission
ID SLAVE 8 XXXXXX BCS
XXXXXX: These bytes not used; fill with Space character (20h).
Slave Response
ID SLAVE 8 EE---- BCS
EE: Error code (ASCII)
----: Space characters (20h)
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