49
7 OPTION
49
OPTION
Chapter
7
17 (0x11) Report slave ID
Each slave returns operation mode, current conditions, etc.
The contents of the response vary with products.
*Slave ID is different from address.
Example) Read slave ID.
* Version information is expressed in 3 bytes.
In the case of 0x01, 0x02, 0x03, the version is 1.23.
08 (0x08) Diagnostic code
By requesting diagnostics, communication conditions between the master and each slave can be
checked.
What are checked vary with subfunctions added after usual functions.
In cases other than errors, the slave response is the received request frame returned as it is.
Also, all counts provided for diagnostics are cleared at power-on.
[Request]
Function 1 byte 0x11
[Response]
Function 1 byte 0x11
Number of bytes 1
byte
Slave ID 1 byte
RUN indicator 1 byte
0x00: Overload or calibration error
0xFF: Normal
Additional information 3 bytes Version information
[Error response]
Error code 1 byte 0x91 (function + 0x80)
Exception code 1
byte 01
[Request]
Function 11
[Response]
Function 11
Number of bytes 5
Slave ID
RUN indicator 00
Additional information *
[Request]
Function 1 byte 0x08
Subfunction 2
bytes
Data N×2 bytes
[Response]
Function 1 byte 0x08
Subfunction 2
bytes
Data N×2
bytes
[Error response]
Error code 1 byte 0x88 (function + 0x80)
Exception code 1
byte 01 or 03
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