IAI America REXT - Manual (Page 160)


Part 1 Specification
Chapter 3 Gateway R unit
136
Part 1 Specification
[8] Read status signal status – Axis (0)
The configuration of the status signal register of axis (0) is shown below.
z Query
Field name
RTU mode data
(8 bits)
Data length
(bytes)
Remarks
Header None -
Slave address 3F H 1 Fixed.
Function code 03 H 1
Starting address (upper) F7 H
Starting address (lower) 0B H
2 Address of the status signal of axis (0)
Number of registers (upper) 00 H
Number of registers (lower) 01 H
2 Number of registers (1 register = 1 word): 1
Error check (CRC)
Based on
calculation result
2 (C3 62)
Trailer None -
Total bytes 8
z Response
Field name
RTU mode data
(8 bits)
Data length
(bytes)
Remarks
Header None -
Slave address 3F H 1 Fixed.
Function code 03 H 1
Data bytes 02 H 1 1-word register x 1 = 2 bytes
Data 1 (upper) Arbitrary
Data 1 (lower) Arbitrary
1 each for upper
and lower words
2
Status signal data
Error check (CRC)
Based on
calculation result
2
Trailer None -
Total bytes 7
Address
-160-