IAI America ROBO Cylinder Series - Manual (Page 223)

6. Modbus
ASCII
215
Modbus
6.4.12 Controller Status Signal Reading 2 <>
(1) Function
This query reads the internal status 2 of the controller.
[Refer to 4.3.2 (13), “Data of device status register 2.”]
(2) Query format
Field Number of characters ASCII mode character
string (fixed)
Remarks
Header 1 ‘:’
Slave address [H] 2 Arbitrary
Axis number + 1
(01
H
to 10
H
)
Function code [H] 2 ‘0’, ‘3’ Reading registers
Start address [H] 4 ‘9’, ‘0’, ‘0’, ‘6’ Device status register 2
Number of registers [H] 4 ‘0’, ‘0’, ‘0’, ‘1’ Reading address 9006
H
Error check [H] 2 LRC calculation result
Trailer 2 ‘CR’, ‘LF’
Total number of bytes 17
(3) Response format
A response message contains 16 bits of data per register.
Field Number of characters ASCII mode character
string (fixed)
Remarks
Header 1 ‘:’
Slave address [H] 2 Arbitrary
Axis number + 1
(01
H
to 10
H
)
Function code [H] 2 ‘0’, ‘3’ Internal controller status
Number of data bytes [H] 2 ‘0’, ‘2’
Reading 1 register
= 2 bytes.
Data [H] 4 Status 2 Status 2 [Hex]
Error check [H] 2 LRC calculation result
Trailer 2 ‘CR’, ‘LF’
Total number of bytes 15