Technical data

Communication
9.5 Communication using USS
Function Manual
684 Function Manual, 06/2012, 6SL3097-4AB10-0BP4
Table 9- 46 Response identifier (inverter → master)
Response identifier Description
0 No response
1 Transfer parameter value (word)
2 Transfer parameter value (double word)
3 Transfer descriptive element
1)
4 Transfer parameter value (field, word)
2)
5 Transfer parameter value (field, double word)
2)
6 Transfer number of field elements
7 Request cannot be processed, task cannot be performed (with error number)
1) The required element of the parameter description is specified in IND (second word).
2) The required element of the indexed parameter is specified in IND (second word).
If the response identifier is 7 (request cannot be processed), one of the error numbers listed
in the following table will be saved in parameter value 2 (PWE2).
Table 9- 47 Error numbers for the response "Request cannot be processed"
No. Description Remarks
0 Impermissible parameter number (PNU) Parameter does not exist
1 Parameter value cannot be changed The parameter can only be read
2 Minimum/maximum not achieved or exceeded –
3 Wrong subindex –
4 No field An individual parameter was
addressed with a field request and
subindex > 0
5 Wrong parameter type / wrong data type Confusion of word and double word
6 Setting is not permitted (only resetting) Index is outside the parameter field[]
7 The descriptive element cannot be changed Description cannot be changed
11 Not in "master control" mode Change request without "master
control" mode (see p0927)
12 Keyword missing –
17 Request cannot be processed on account of the
operating state
The current inverter status is not
compatible with the received request
101 Parameter number is currently deactivated Dependent on the operating mode of
the inverter
102 Channel width is insufficient Communication channel is too small
for response
104 Illegal parameter value The parameter can only assume
certain values
106 Request not included / task is not supported After request identifier
5,11,12,13,14,15
200/201 Changed minimum/maximum not achieved or
exceeded
The maximum or minimum can be
limited further during operation
204 The available access authorization does not
cover parameter changes
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