IAI America REXT - Manual (Page 180)


Part 1 Specification
Chapter 3 Gateway R unit
156
Part 1 Specification
[2] Response format
If the data has been changed (written) successfully, the response returned is a copy of the query excluding the
number of bytes and new data.
Field name
RTU mode data
(8 bits)
Data length
(bytes)
Remarks
Header None -
Slave address 3F H 1 Fixed.
Function code 10 H 1
Starting address (upper) Arbitrary
Starting address (lower) Arbitrary
2
The address varies depending on the axis
arrangement.
Number of registers (upper) Arbitrary
Number of registers (lower) Arbitrary
2
Error check (CRC) 16 bits 2 Based on calculation result
Trailer None -
Total bytes 8
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