Functions
5.11 Operation in fieldbus systems
Frequency inverter
156 Operating Instructions, 08.10. 2008, t.b.d.
If the response ID is 7 (request cannot be processed), one of the fault numbers listed in the
following table is stored in parameter value 2 (PWE2).
Table 5- 54 Fault numbers for the response "request cannot be processed"
No. Description Comments
0 Impermissible parameter number (PNU) Parameter does not exist
1 Parameter value cannot be changed The parameter is read only
2 Min./max. not reached or exceeded –
3 Incorrect sub-index –
4 No field One parameter was addressed with a
field request and sub-index > 0
5 Incorrect parameter/data type Word and double word mixed up
6 Set not permitted (reset only) –
7 The descriptive element cannot be changed Description can never be changed
11 Not in "master controller" mode Change request without "master
controller" mode (see P0927)
12 No key word –
17 Request cannot be processed due to the
operating status
The current converter operating status
is not compatible with the request
received.
101 Parameter number currently deactivated Depends on the operating status of
the converter
102 Insufficient channel width Communication channel too narrow
for response
104 Impermissible parameter value The parameter only permits certain
values.
106 No request / task not supported After request ID 5, 10, 15
200/201 Modified min./max. not reached or exceeded The maximum or minimum value can
be limited further during operation.
204 The current access authorization does not cover
parameter changes.
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