Modbus – IAI America ROBO Cylinder Series User Manual
Page 275

6. Modbus
ASCII
267
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 01 05 04 26 FF 00 D1
Field
ASCII mode 8-bit data
Converted ASCII
code data [H]
Start
‘:’
3A
Slave address [H]
‘0’, ‘1’
3031
Function code [H]
‘0’, ‘5’
3035
Start address [H]
‘0’, ‘4’, ‘2’, ‘6’
30343236
Changed data [H]
‘F, , ‘F’; ‘0’, ‘0’
46463030
Error check [H]
‘D’, ‘1’ (In accordance with LRC calculation)
4431
End
‘CR’, ‘LF’
0D0A
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
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.