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3.2.1 Error_Codes
In the case of defective instruction processing, the drive reports a corresponding error
number, whose meaning can be found in the following table, via the FB output
Error_Code.
Parameter is not an array
Description element cannot be changed
Description data not available
Address range inadmissible
Number of values inconsistent
Table 2: Error numbers with meaning
3.3 Notes
In order to ensure reliable operation of the function block, the following points should
be observed.
3.3.1 Multi-instance
The FB “control_pzd” is multi-instance capable. If several drives are to be
parameterized, the instance data for several drives can be stored together in one
instance data block.
3.3.2 Transmission speed
The acyclic data exchange used is generally specified for time-uncritical data.