Functions
8.7 Communication via USS
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
8-29
The meaning of the request identifier for request telegrams (master → inverter) is shown in
the table below. Request identifiers 11 to 14 are specific to the SINAMICS G120.
Table 8-10 Request identifier (master → inverter)
Response
identifier
Request
identifier
Meaning
positive negative
0 No request 0 7 / 8
1 Request parameter value 1 / 2 ↑
2 Modify parameter value (word) 1 |
3 Modify parameter value (double word) 2 |
4 Request descriptive element
1)
3 |
6 Request parameter value (array)
1)
4 / 5 |
7 Modify parameter value (array, word)
1)
4 |
8 Modify parameter value (array, double word)
1)
5 |
9 Request number of array elements 6 |
11 Modify parameter value (array, double word) and store in EEPROM
1)
5 |
12 Modify parameter value (array, word) and store in EEPROM
1)
4 |
13 Modify parameter value (double word) and store in EEPROM 2 ↓
14 Modify parameter value (word) and store in EEPROM 1 7 / 8
1) For these tasks, to make them completely clear, an additional value is required, which is located in
IDX
The meaning of the response identifier for response telegrams (inverter → master) is shown
in the table below. The request identifier will determine which response identifiers are
possible.
Table 8-11 Response identifier (inverter → master)
Response identifier Meaning
0 No response
1 Transfer parameter value (word)
2 Transfer parameter value (double word)
3 Transfer descriptive element 1)
4 Transfer parameter value (array word) 1)
5 Transfer parameter value (array double word) 1)
6 Transfer number of array elements
7 Cannot process request, task cannot be executed (with error number)
8 No master control status / no parameter change rights for PKW interface
1) For these tasks, to make them completely clear, an additional value is required, which is located in
IDX
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