Hitachi WJ200-001S Instruction Manual page 589

Ver.3− − − − 80
Example 4-2:
Query (Little Endian):
No
1 Slave address
2 Function code
3 Start address (high byte)
4 Start address (low byte)
5 Number of holding registers
(high byte)
6 Number of holding registers
(low byte)
7 Byte number
8 Change data 1 (high byte)
9 Change data 1 (low byte)
10 Change data 2 (high byte)
11 Change data 2 (low byte)
12 Change data 3 (high byte)
13 Change data 3 (low byte)
14 CRC-16 (high byte)
15 CRC-16 (low byte)
Notice the data from eighth to thirteenth.
Write data (Change data) are subject to the Endian function.
(As for the data arrangements of Little Endian, please refer to "[2] How data are arranged by each
endian.")
Note) When several parameters are involved, the order of parameter does not change.
The Endian function is applied to data in each parameter
Field Name Example
(Hex)
01
10
11
Register address value = Register
04
Number - 1
00
03
06
E0
F003 Write data:
93 000493E0h
04
00
F004 Write data
01
01h
00
65
B4
The order of
parameters is not
affected by the
Endian setting.