Siemens SINAMICS V20

Communicating with the PLC
7.1 USS communication
SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012
177
Request ID
Description
Response ID
positive
negative
4
Request descriptive element
3
7/8
6
Request parameter value (array)
4/5
7/8
7
Modify parameter value (array, word)
4
7/8
8
Modify parameter value (array, double word)
5
7/8
9
Request number of array elements
6
7/8
11
Modify parameter value (array, double word) and store in EEPROM
5
7/8
12
Modify parameter value (array, word) and store in EEPROM
4
7/8
13
Modify parameter value (double word) and store in EEPROM
2
7/8
14
Modify parameter value (word) and store in EEPROM
1
7/8
Response IDs (slave → master)
Response ID
Description
0
No response
1
Transfer parameter value (word)
2
Transfer parameter value (double word)
3
Transfer descriptive element
4
Transfer parameter value (array, word)
5
Transfer parameter value (array, double word)
6
Transfer number of array elements
7
Request cannot be processed, task cannot be executed (with error number)
8
No master controller status/no parameter change rights for PKW interface
Error numbers in response ID 7 (request cannot be processed)
No.
Description
0
Illegal PNU (illegal parameter number; parameter number not available)
1
Parameter value cannot be changed (parameter is read-only)
2
Lower or upper limit violated (limit exceeded)
3
Wrong sub-index
4
No array
5
Wrong parameter type/incorrect data type
6
Setting is not allowed (parameter value can only be reset to zero)
7 The descriptive element is not changeable and can only be read
9
Descriptive data not available
10
Access group incorrect
11
No parameter change rights. See parameter P0927. Must have status as master control.
12
Incorrect password
17
The current converter operating status does not permit the request processing
18
Other error
20 Illegal value. Change request for a value which is within the limits, but it is not allowed for other reasons (pa-
rameter with defined single values)