IAI America ROBO Cylinder Series - Manual (Page 151)

5. Modbus RTU
143
Modbus
*1 If the CLBR is turned OFF during this period, calibration will not be performed because the signal is
not yet recognized as having been input.
*2 If the CLBR is turned OFF during this period, an alarm will generate.
(4) Response
A response message to be sent following a successful change should be the same as the query.
If any invalid data has been sent, an exception response (refer to 7) will be returned or no
response will be returned at all.
(5) Example of use
Calibrate the dedicated load cell connected to controller axis 0.
Query (Silent intervals are inserted before and after the query.)
01 05 04 26 FF 00 6C C1
Field RTU mode
8-bit data
Start Silent interval
Slave address [H] 01
Function code [H] 05
Start address [H] 0426
Changed data [H] FF00
Error check [H]
6CC1 (in accordance with
CRC calculation)
End Silent interval
If the change is successful, the response message will be the same as the query.
Input is recognized after
the signal remains ON for
20 ms *1 . Calibration time *2
CLBR
CEND
Turn OFF the CLBR after confirming
that the CEND has turned ON.
When the calibration was successful, the CEND turns ON.
While the CLBR is OFF, the CEND remains OFF.