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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
Содержание CJ1W-SCU22
Страница 192: ...4 Using Protocol Macros 4 56 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 250: ...6 No protocol Mode 6 22 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 460: ...A Standard System Protocol R 126 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 473: ...Index 1 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494 I Index...