
Functions
5.11 Operation in fieldbus systems
Frequency inverter
180
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- 62 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 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
Word and double word mixed-up
6
Setting is not permitted (only resetting)
–
7
The descriptive element cannot be changed Description can never be changed
11
Not in the "master control" mode
Change request without "master controller"
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
Impermissible parameter value
The parameter can only assume certain
values
106
Request not included / task is not supported After request identifier 5, 10, 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
–