Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 270 / 478

7 Using Modbus-RTU Slave Mode
7-20
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
z
Function
Executes an echoback test. Send data will be returned.
z
Command
* From 2 to 125 (2 to 7D hex) bytes can be specified.
z
Response
* Same as Data in Command.
z
Sending A537 Hex
z
Function
Writes multiple bits in the memory used for CJ-series Unit. Allocated memory is in the CIO Area
(fixed).
z
Command
Diagnostic
Length Data
Function Code 1 byte 08 hex
Sub-function Code 2 bytes 0000 hex
Data N
×
2 bytes (*) ---
Length Data
Function Code 1 byte 08 hex
Sub-function Code 2 bytes 0000 hex
Data N
×
2 bytes (*) ---
Request Response
Data Data
Function Code 06 hex Function Code 06 hex
Sub-function Code (H) 00 hex Sub-function Code (H) 00 hex
Sub-function Code (L) 00 hex Sub-function Code (L) 00 hex
Data (H) A5 hex Data (H) A5 hex
Data (L) 37 hex Data (L) 37 hex
Write Multiple Coils
Length Data
Function Code 1 byte 0F hex
Starting Address 2 bytes 0000 to FFFF hex
Quantity of Output 2 bytes 0001 to 03E8 hex
Byte Count 1 byte N
Output Value n byte n = N or N + 1