Omron K7DD User Manual page 130

7 Communications
 Response Codes:
Function code
H'10
H'90
Examples of Sending and Receiving Data
Rewrite setting parameters for the slave with unit number 1.
The variable addresses for the CH1 R.M.S. Voltage Critical Threshold/ CH1 R.M.S. Voltage Warning
Threshold are H'1300 to H'1301.
 Command Frame:
Slave Function
address code
H'01 H'10
 Response Frame:
Slave Function
address code
H'01 H'10
7 - 14
Error code Error name
--- Normal end
Variable address
H'02
error
H'03 Variable data error
H'04 Operation error
Write start address Number of elements
H'1300 H'0002
Write start address Number of elements
H'1300 H'0002
Description
The command ended normally.
The variable address was accessed in excess of
H'FFFF.
• The number of data does not match the number
of elements.
• The byte count is not two times the number of
elements.
• The write data is out of the setting range.
• No response can be made in this system state.
Byte
count Write data (for number of elements)
H'04
CRC-16
H'454C
Power Line Data Generator User's Manual (N233)
CRC-16