BONFIGLIOLI Active Cube

Exception condition code
1 INVALID FUNCTION CODE • Sub-function is not supported
3 INVALID DATA VALUE • Number of bytes in data field too small or too high
• “Data field” not 0x0000
4 SLAVE DEVICE ERROR • Error while executing the function.
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
1 byte
1 – 0xF7 (=247)
Function code
1 byte
0x08
Sub-function
2 bytes
0x000B – 0x0012
Data
2 bytes
0x0000
Response:
Address
1 byte
1 – 0xF7 (=247)
Function code
1 byte
0x08
Sub-function
2 bytes
0x000B – 0x0012
Data (counter value)
2 bytes
0 – 0xFFFF
Exception condition response:
Address
1 byte
1 – 0xF7 (=247)
Error code
1 byte
0x88
Exception condition code
1 byte
1, 3 or 4
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 • Sub-function is not supported
3 INVALID DATA VALUE
• Number of bytes in data field too small or too high
• “Data field” not 0x0000
4 SLAVE DEVICE ERROR • Error when reading diagnosis counter
For a description of the exception condition codes, refer to Chapter 7.2.9 “Exception condition codes”.
10/13
ACU Modbus/TCP 37