Hitachi WJ200-001L, Instruction Manual

Page: 548 / 680

Ver.3
−
− −
−
39
(2) Writing Holing Register[06h]
、
target register: External register
Query:
No Field Name Example
(Hex)
1 Slave address 01
2 Function code 06
3 Register start address
(high order)
12
4 Register start address
(low order)
00
5 Change data (high order) 00
6 Change data (low order) 50
7 CRC-16 (high order) 8C
8 CRC-16 (low order) 8E
Response:
After Modbus communication above, 80% is written as
[O] input active range end voltage (A014)
No Field Name Example
(Hex)
1 Slave address 01
2 Function code 06
3 Register start address
(high order)
12
4 Register start address
(low order)
00
5 Change data (high order) 00
6 Change data (low order) 50
7 CRC-16 (high order) 8C
8 CRC-16 (low order) 8E
Register address value = Register
Number - 1
0050h→80d→80%
Register address value = Register
Number - 1
0050h→80d→80%