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NORD Drivesystems BU0090 User Manual

Page 53

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5 Data transfer / Parameter-string transfer

BU 0090 GB

53

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.

No.

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

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

5.5.2

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

Array

1-256


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,...).
If the parameter to be processed is also an array parameter (e.g. position array for the PosiCon option), then
the sub-index of the required parameter can additionally be accessed via Bit 10 to Bit 15 of the sub-index
(0 = array element 1, 1 = array element 2,…):

Array element

Parameter set

Index

5 (000101

BIN

) 2

(01

BIN

) 15

HEX

= 0001 0101

BIN

21 (010101

BIN

) 4

(11

BIN

) 57

HEX

= 0101 0111

BIN


If a parameter is not dependent on the parameter set, then Bit 8 -15 are used for the sub-index.
Please refer to the operating instructions for details of the structure of the individual parameters and which
values may be called up.

If the sub-index is used, nos. 6, 7, 8 or 11, 12 must be used as the order label (see Section 5.5.1), in
order for the sub-index to be effective.