Omron VARISPEED V7 User Manual page 148

• Writing to Several Holding Registers (10H)
Specified data are written into the several specified holding registers
from the specified number, respectively. Written data must be
arranged in a reference message in the order of the holding register
numbers: from upper eight bits to lower eight bits.
Example:
Set forward run at frequency reference 60.0 Hz to slave 1 V7AZ from
the PLC.
Reference Message
Slave address
Function code
Upper
Start
number
Lower
Upper
Quantity
Lower
Number of data*
Upper
First
data
Lower
Upper
Next
data
Lower
Upper
CRC-16
Lower
* Sets twice as large as the actual number.
Response Message
(at Normal Operation)
01H Slave address
10H Function code
00H
Start
number
01H
00H
Quantity
02H
04H
CRC-16
00H
01H
02H
58H
63H
39H
6 Programming Features
01H
10H
Upper 00H
Lower 01H
CRC-16
Upper 00H
Lower 02H
Upper 10H
Lower 08H
Response Message
(at Fault Occurrence)
Slave address 01H
Function code 90H
Error code 02H
Upper CDH
Lower C1H
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