Hitachi WJ200-001S Instruction Manual page 569

Ver.3− − − − 60
Ex 9 Ex 9 A case where an external register is invalid (An external register number is linked together to two or Ex 9 Ex 9
more different internal register number.)
* * * * Below setting must be entered from the operator before Modbus communication, with power cycle.
External register
number
6001h
6001h
(1) Reading Holding Register [03h] 、 T arget register = external 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
1 Slave address
2 Function code
3 Exception code
4 CRC-16 (high order)
5 CRC-16 (low order)
Internal register
number
120F ｈ （ A 013 ）
1210h （ A 014 ）
Field Name
Field Name Example
(Hex)
Scaling
1.000
1.000
Example
(Hex)
01
03
60
Register address value = Register
00
Number - 1
00
One register
01
9A
0A
01
83
31
80
E4
Format
Unsigned
Unsigned