Lenze PLC Designer PLC Designer (R3-1) - Manual (Page 1044)

L-force | PLC Designer
Programming Reference
1042 DMS 4.1 EN 03/2011 TD29
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16.3 Operators
16.3.1 IEC Operators and norm-extending Functions
»PLC Designer« V3.x supports all IEC operators. In contrast to the standard functions
these operators are recognized implicitly throughout the project.
Besides the IEC operators also the following operators are supported which are not
prescribed by the standard: ANDN, ORN, XORN, INDEXOF and SIZEOF (see Arithmetic
Operators), ADR, BITADR and content operator (see Address Operators), some "scope
operators".
Operators are used like functions in a POU.
Note: At operations with floating point variables the result depends on the currently
used target system !
See the following categories of operators:
• Assignment Operators: :=, MOVE
• Arithmetic Operators
• Bitstring Operators
• Bit-Shift Operators
• Selection Operators
• Comparison Operators
• Address Operators
• Calling Operator
• Type Conversion Functions
• Numeric Functions
• IEC extending Operators
• IEC extending "Scope Operators"