Function Code 8, Diagnosis - BONFIGLIOLI Active cube Operation Manual

9.2.5

Function code 8, diagnosis

Example 1a:
Deleting of all diagnosis counters (sub-function 0x0A) in frequency inverter with address 1.
Request: Master  frequency inverter
MBAP
Field:
Transaction ID
Hex nn nn
Response: Frequency inverter  Master
MBAP
Field:
Transaction ID
Hex nn nn
The response is the reflected signal of the request message. All counters are set to zero.
Example 1b:
With all counters set to zero, reading of diagnosis counter 4 "Slave Messages Counter" (sub-function
0x0E) of frequency inverter with address 1.
Request: Master  frequency inverter
MBAP
Field:
Transaction ID
Hex nn nn
Response: Frequency inverter  Master
Field:
Transaction ID
Hex nn nn
Counter value is 1 because this is the first message received after resetting of all counters to zero.
Example 2:
Reading of unknown diagnosis counter 8 (sub-function 0x13) of frequency inverter with address 1.
Request: Master  frequency inverter
Field:
Transaction ID
Hex nn nn
Error response: Frequency inverter  Master
Field:
Transaction ID
Hex nn nn
The sent exception condition code is the hexadecimal value 0x01 = INVALID FUNCTION CODE.
10/13
Unit ID
Protocol ID Length
nn nn 00 06
Unit ID
Protocol ID Length
nn nn 00 06
Unit ID Func.
Protocol ID Length
nn nn 00 06
MBAP
Protocol ID Length
nn nn 00 06
MBAP
Protocol ID Length
nn nn 00 06
MBAP
Protocol ID Length
nn nn 00 03
ACU
Modbus/TCP
Func. Sub-function
01 08 00
Func. Sub-function
01 08 00
Sub-function
01 08 00
Unit ID Func. Sub-function
01 08 00
Unit ID Func. Sub-function
01 08 00
Unit ID Func. Excep.
01 88 01
Data
0A 00 00
Data
0A 00 00
Data
0E 00 00
Data
0E 00 01
Data
13 00 00
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