Hitachi WJ200-001S Instruction Manual page 568

Case 4: A case where Hitachi register numbers do not exist in the list.
Reading out Holding register[03h] 、 T arget register ＝ e xternal register
Query:
No
1 Slave address
2 Function code
3 Register start address (high order)
4 Register start address (low order)
5 Number of holding registers (high order)
6 Number of holding registers (low order)
7 CRC-16 (high order)
8 CRC-16 (low order)
Response:
No Field Name
1 Slave address
2 Function code
3 Exception code
4 CRC-16 (high order)
5 CRC-16 (low order)
Exceptional response is given because corresponding internal parameter.
Field Name
Example
(Hex)
01
83
31
80
E4
Example
(Hex)
01
03
60
Register address value = Register
03
Number - 1
00
One register
01
6A
0A
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