Lenze PLC Designer PLC Designer (R2-x) Bedienungsanleitung PDF herunterladen (Seite 462)

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L-force | PLC Designer

IEC Operators and additional norm extending functions

460 DMS 3.2 EN 02/2011 TD29 

9 IEC Operators and additional norm extending functions

9.1 The IEC Operators and additional, norm-extending functions

»PLC Designer« supports all IEC operators. In contrast with the standard functions (see

Appendix D, Standard library), these operators are recognized implicitly throughout

the project.

Besides the IEC operators PLC Designer also supports the following operators which

are not prescribed by the standard: INDEXOF and SIZEOF (see Arithmetic Operators),

ADR and BITADR (see Adress Operators).

Operators are used like functions in POU.

 Stop!

At operations with floating point variables the result depends on the currently used

target system !

• Arithmetic operators

• Bitstring Operators

• Bit-Shift Operators

• Selection Operators

• Comparison Operators

• Address Operators

• Calling Operators

• Type Conversions

• Numeric Operators

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