IAI America ROBO Cylinder Series - Manual (Page 76)

5. Modbus RTU
68
Modbus
5.3.3 Total moving count Reading <>
(1) Function
This bit reads the total moving count.
[Refer to Section 4.3.2(8)]
(2) Query format
Field Number of data items
(number of bytes)
RTU mode
8-bit data
Remarks
Start None Silent interval
Slave address [H] 1 Arbitrary Axis number + 1 (01
H
to 10
H
)
Function code [H] 1 03 Register reading
Start address [H] 2 8400 Total moving count
Number of registers [H] 2 0002 Reading addresses 8400
H
to
8401
H
Error check [H] 2 CRC (16 bits)
End None Silent interval
Total number of bytes 8
(3) Response format
A response message contains 16 bits of data per register.
Field Number of data items
(number of bytes)
RTU mode
8-bit data
Remarks
Start None Silent interval
Slave address [H] 1 Arbitrary Axis number + 1 (01
H
to 10
H
)
Function code [H] 1 03 Register reading
Number of data bytes [H] 1 04 Reading 2 registers = 4 bytes
Data 1 [H] 2 Total moving count Total moving count(0500
H
)
[Hex] (most significant digit)
Data 2 [H] 2 Total moving count Total moving count(0501
H
)
[Hex] (least significant digit)
Error check [H] 2 CRC (16 bits)
End None Silent interval
Total number of bytes 9