Hitachi WJ200-001S Instruction Manual page 560

(2) Writing Holding register[06h], Target register: External register (second pair)
Query:
No
1 Slave address
2 Function code
3 Register start address (high order)
4 Register start address (low order)
5 Change data (high order)
6 Change data (low order)
7 CRC-16 (high order)
8 CRC-16 (low order)
Response:
No
1 Slave address
2 Function code
3 Register start address (high order)
4 Register start address (low order)
5 Change data (high order)
6 Change data (low order)
7 CRC-16 (high order)
8 CRC-16 (low order)
Field Name
Field Name
Example
(Hex)
01
06
12
Register address value = Register
00 Number - 1
00
0050h → 8 0d → 8 0%
50
8C
8E
Example
(Hex)
01
06
12 Register address value = Register
Number - 1
00
00
0050h → 8 0d → 8 0%
50
8C
8E
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