Ver.3− − − − 38
Ex
Ex
Ex
Ex
T he external register addresses use and Hitachi register number with the same multiplication.(When
4 4 4 4
external addresses are already included in Hitachi register address list.)
* * * * Below setting must be entered from the operator before Modbus communication, with power cycle.
External register
number
1201h
(Same number as
A001
When
[O] input active range end voltage
(1) Reading out 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
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)
The value of internal register 1210h (A012) is read out.
Internal register
number
1210h(A014)
(A014) = 100% (64h)
Field Name
Field Name
Scaling
1.000
Example
(Hex)
01
03
12
00
00
01
81
72
Example
(Hex)
01
03
02
The value of 1210 (A014), that is
00
directly linked with 1201(A001), is read
64
out
B9
AF
Format
unsigned
Register address value
= Register
Number - 1
One register