Hitachi WJ200-001L, Инструкция по эксплуатации, Страница: 586 / 680

Ver.3
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77
Example3: When writing 16-bit data
This Query sets 50.00Hz to the low byte of Multi-speed freq. 0(A020, register numbers are 1216 and 1217)
of slave one inverter.
But the data resolution of the Holding registers is 0.01Hz, so the data to be written is 5000d=1388h.
Example3-1:
Query (Big Endian) :
Notice the data from fifth to sixth.
Write data (Change data) are subject to the Endian function.
(As for the data arrangements of Big Endian, please refer to "[2] How data are arranged by each endian.")
Example3-2:
Query (Little Endian) :
Notice the data from fifth to sixth.
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.")
No Field Name Example
(Hex)
1 Slave address 01
2 Function code 06
3 Register start address (high byte) 12
4 Register start address (low byte) 16
5 Change data (high byte) 13
6 Change data (low byte) 88
7 CRC-16 (high byte) 60
8 CRC-16 (low byte) 20
No Field Name Example
(Hex)
1 Slave address 01
2 Function code 06
3 Register start address (high byte) 12
4 Register start address (low byte) 16
5 Change data (high byte) 88
6 Change data (low byte) 13
7 CRC-16 (high byte) 4A
8 CRC-16 (low byte) 4B
A020 Write
Data:
A020 Write Data:
1388h
Register address value = Register
Number - 1
Register address value = Register
Number - 1