Hitachi WJ200-001S Instruction Manual page 581

Ver.3− − − − 72
Example 1-4: When reading and writing 32-bit data at the same time with Special Endian.
Reading and writing below data from slave one inverter with Special Endian
Reading: Acceleration time (2) (A092, register number = 1274h, 1275h), read data = 1300.14sec, since
the data resolution of Acceleration time (2) Holding register is 0.01sec, 130014d=0001FBDEh
Writing: Deceleration time (2) (A093, register number = 1276h, 1277h), write data = 3500.00sec, since
the data resolution of Deceleration time (2) Holding register is 0.01sec, 350000d=00055730h
Query:
No
1 Slave address
2 Function code
3 Start address to read (high byte)
4 Start address to read (low byte)
5 Number of holding registers to read
(high byte)
6 Number of holding registers to read
(low byte)
7 Start address to write (high byte)
8 Start address to write (low byte)
9 Number of holding registers to write
(high byte)
10 Number of holding registers to write
(low byte)
11 Byte number to write
12 Change data 1 (high byte)
13 Change data 1 (low byte)
14 Change data 2 (high byte)
15 Change data 2 (low byte)
16 CRC-16 (high byte)
17 CRC-16 (low byte)
Notice the data from 12
(As for the data arrangements of Special Endian, please refer to "[2] How data are arranged by each
endian.")
Field Name
to 15 . Write data (Change data) are subject to Endian function.
th th
Example
(Hex)
01
17
Register address value = Register
12
Number - 1
73
00
02
12
Register address value = Register
75
Number - 1
00
02
04
57
30 Subject to Endian function ：
Write Data ： 0 0055730h
00
05
78
2A