ROR - Rotate right by n bits

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Introduction

Returns an integer value rotated right by n bits.

Informal Syntax:

ROR( In, N )

Formal Syntax:

ROR( In:=expression, N:=expression )

Parameters

ParameterTypeDescription
InANY_INTEGRALThe value to rotate.
NANY_NUMThe number of bits to rotate the value.

Return value

The function ROR returns In rotated right N places.

If N is negative, the function rotates the value to the left.

Examples

ExampleReturn Value
ROR( WORD#F0F0, 4 )WORD#F0F
ROR( 16, -1 )32

Standards Compliance

Table 25.3 - IEC 61131-3 Second Edition.

Table 30.3 - IEC 61131-3 Third Edition.

Further Information

Bit Shift Functions

For other bit shift functions.

Glossary

For the meaning of terms used in Fernhill SCADA.