Instruction Manual
5. Modbus RTU
135
Modbus
(4) Query sample
A sample query that acquires the current position when a controller of axis No. 0 is in the teaching
mode is shown below.
Query (silent intervals are inserted before and after the query)
01 05 04 15 FF 00 9C CE
Field RTU mode
8-bit data
Start Silent interval
Slave address [H] 01
Function code [H] 05
Start address [H] 0415
Changed data [H] FF00
Error check [H] 9CCE (in accordance with
CRC calculation)
End Silent interval
If the change is successful, the response message will be the same as the query.