Hitachi WJ200-001S Instruction Manual page 540

Ex Ex Ex 2 2 2 2 A case where you multiply an external register by n (ex. Multiply 2) written to an internal register. Ex
* * * * Below setting must be entered from the operator before Modbus communication, with power cycle.
External register
number
4002h
[O] input active range end voltage
When
(1) 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 Data size (in bytes)
4 Register data 1 (high order)
5 Register data 1 (low order)
6 CRC-16 (high order)
7 CRC-16 (low order)
Since writing is doubled to internal register by scaling, two-half of value is read out (08h) from internal
register (please refer to the conceptual figure)
Internal number
1210h （ A 014 ）
(A014) =16%
Field Name
Example
(Hex)
Scaling
2.000
Example
(Hex)
01
03
Register address value
40
= Register
01
Number - 1
00
One Register
01
CA
0A
01
03
02
00
0008h → 8 d → 8 %
08
B9
82
Ver.3− − − − 31
Format
Unsigned