6 Programming Features
141
• 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 V7 IP65 from
the PLC.
Reference Message
Response Message
(at Normal Operation)
Response Message
(at Fault Occurrence)
Slave address
01H
Slave address
01H
Slave address
01H
Function code
10H
Function code
10H
Function code
90H
Start
number
Upper
00H
Start
number
Upper
00H
Error code
02H
Lower
01H
Lower
01H
CRC-16
Upper
CDH
Quantity
Upper
00H
Quantity
Upper
00H
Lower
C1H
Lower
02H
Lower
02H
Number of data*
04H
CRC-16
Upper
10H
First
data
Upper
00H
Lower
08H
Lower
01H
Next
data
Upper
02H
Lower
58H
CRC-16
Upper
63H
Lower
39H
* Sets twice as large as the actual number.