Modbus – IAI America ROBO Cylinder Series User Manual

Page 249

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6. Modbus

ASCII

241

Modbus

(4) Sample query

A sample query that enables the safety speed of a controller of axis No. 0 is shown below.

Query: 01 05 04 01 FF 00 F6

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’, ‘1’

30343031

Changed data [H]

‘F’, ‘F’, ‘0’, ‘0’

46463030

Error check [H]

‘F’, ‘6’ (In accordance with LRC calculation) 4636

End

‘CR’, ‘LF’

0D0A

If the change is successful, the response message will be the same as the query.

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