Hitachi X200 Series instruction manual 13, Write in Holding Register 06h

B−13

Write in Holding Register [06h]:

This function writes data in a specified holding register. An example follows:

•Write “50Hz” as the first Multi-speed 0 (A020) in an inverter having slave address “5.”

•This example uses change data “500(1F4h)” to set “50Hz” as the data resolution of the register “1029h” holding the first Multi-speed 0 (A020) is 0.1Hz

Query:

No.	Field Name	Example
		(Hex)
1	Slave address *1	08
2	Function code	06
3	Register start address	10
	*2
	(high order)
4	Register start address	28
	*2
	(low order)
5	Change data	01
	(high order)
6	Change data	F4
	(low order)
7	CRC-16 (high order)	0D
8	CRC-16 (low order)	8C

Response:

No.	Field Name	Example
		(Hex)
1	Slave address	08
2	Function code	06
3	Register start address	10
	*2
	(high order)
4	Register start address	28
	*2
	(low order)
5	Change data	01
	(high order)
6	Change data	F4
	(low order)
7	CRC-16 (high order)	0D
8	CRC-16 (low order)	8C

Appendix B

Note 1: No response is made for a broadcasting query.

Note 2: The PDU Register Number are addressed starting at zero. Therefore register numbered “1029h” are addressed as “1028h”. Register address value (transmitted on Modbus line) is 1 less than the Register Number.

When writing in a selected holding register fails, see the exception response.