NORD Drivesystems BU0020 - Manual (Page 86)

PROFIBUS DP – Supplementary manual options for NORD - Frequency Inverters
86 BU 0020 GB-2612
Error messages if the order cannot be executed
In the response label "Order cannot be executed" (AK = 7), then an error message is added to the
parameter value (PWE2) of the inverter response. For the meanings of the values transferred, please
refer to the following table.
AK Meaning
0 Invalid parameter number
1 Parameter value cannot be changed
2 Lower or upper value limit exceeded
3 Incorrect sub-index
4 No array
5 Invalid data type (at present only for SK 700E)
6 Only resettable (only 0 may be written)
7 Description element cannot be changed
9 Description data not present
201 Invalid order element in the last order received
202 Internal response label cannot be depicted
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7.5.2 Sub-index (IND)
1 2 3 4
PKE IND PWE1 PWE2
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
P1-P4 No information / all 0
Array 1-64 P1-P4
Sub-index
The structure and function of the parameter index (IND) depends on the type of parameter to be
transferred. For values which depend on the parameter set, the parameter set can be selected via Bits
8 and 9 of the Index (IND) (0 = parameter set 1, 1 = parameter set 2,...).