Lenze DDS v2.3 - Manual (Page 334)

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Appendix
15-24
l
DDS EN 2.3
ST Abbreviation for Structured Text.
Standard functions All functions predefined by IEC 61131-3 to implement PLC typical functionality.
Standard organization units See Standard function blocks
Standard function blocks All function blocks (Function Blocks) predefined by IEC 61131-3 to implement PLC typical functionality.
Structured Text Structured Text (Structured Text) is a programming language to describe algorithms and execution control
by means of the latest high languages.
Task Definition of run time features of a program.
Transition Transition from one SFC step to the next by evaluation of the transition condition.
Type definition Definition of a user-specific data type based on already existing data types.
Variable Name of a data memory which can contain values determined by the data type or variable declaration.
Cycle The cycle of a (periodically called) user program.
Cycle time The cycle time is the time needed by the user progam for a cycle.
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