Modbus – IAI America ROBO Cylinder Series User Manual
Page 251
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6. Modbus
ASCII
243
Modbus
(4) Sample query
A sample query that turns the servo of a controller of axis No. 0 on is shown below.
Query: 01 05 04 03 FF 00 F4
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’, ‘0’, ‘3’
30343033
Changed data [H]
‘F’, ‘F’, ‘0’, ‘0’
46463030
Error check [H]
‘F’, ‘4’ (In accordance with LRC calculation) 4634
End
‘CR’, ‘LF’
0D0A
If the change is successful, the response message will be the same as the query.
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