Omron SYSMAC CJ1W-SCU41-V1

288
Auxiliary Area and CIO Area Allocations (Modbus-RTU Slave Mode) Section 9-3
Diagnostic
Function Executes an echoback test. Send data will be returned.
Command
Note From 2 to 125 (2 to 7D hex) bytes can be specified.
Response
Note Same as in command data.
Sending A537 Hex
Write Multiple Coils
Function Writes multiple bits in I/O memory. Allocated memory is in the C10 Area
(fixed).
Command
Response
1514131211109876543210
D2000
3 A C 5
D2001
D2002
Length Data
Function Code 1 byte 08 hex
Sub-function Code 2 bytes 0 hex
Data N × 2 bytes (See note.) ---
Length Data
Function Code 1 byte 08 hex
Sub-function Code 2 bytes 0 hex
Data N × 2 bytes (See note.) ---
Request Response
Data Data
Function Code 08 hex Function Code 08 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
Length Data
Function Code 1 byte 0F hex
Starting Address 2 bytes 0 to FFFF hex
Quantity of Output 2 bytes 1 to 3E8 hex
Byte Count 1 byte N
Output Value n byte n = N or N + 1
Length Data
Function Code 1 byte 0F hex
Starting Address 2 bytes 0 to FFFF hex
Quantity of Output 2 bytes 1 to7B0 hex