BONFIGLIOLI Active cube Operation Manual page 39

Exception condition code
1 INVALID FUNCTION CODE
3 INVALID DATA VALUE
4 SLAVE DEVICE ERROR
For a description of the exception condition codes, refer to Chapter 7.2.9 "Exception condition codes".
Request (sub-function 0x0B – 0x12, return counter value):
Address
Function code
Sub-function
Data
Response:
Address
Function code
Sub-function
Data (counter value)
Exception condition response:
Address
Error code
Exception condition code
Data
In the request, this field will always be set to 0x0000, in the response, it will show the current counter
value.
Exception condition code
The following exception condition codes are possible:
1 INVALID FUNCTION CODE
3 INVALID DATA VALUE
4 SLAVE DEVICE ERROR
For a description of the exception condition codes, refer to Chapter 7.2.9 "Exception condition codes".
10/13
• Sub-function is not supported
• Number of bytes in data field too small or too high
• "Data field" not 0x0000
• Error while executing the function.
1 byte 1 – 0xF7 (=247)
1 byte 0x08
2 bytes 0x000B – 0x0012
2 bytes 0x0000
1 byte 1 – 0xF7 (=247)
1 byte 0x08
2 bytes 0x000B – 0x0012
2 bytes 0 – 0xFFFF
1 byte 1 – 0xF7 (=247)
1 byte 0x88
1 byte 1, 3 or 4
• Sub-function is not supported
• Number of bytes in data field too small or too high
• "Data field" not 0x0000
• Error when reading diagnosis counter
ACU
Modbus/TCP
37