Attention

IronPLC can only run very simple programs. The steps described are accurate but many language features are not yet supported.

SHR

Shifts a bit string right by a specified number of positions.

IEC 61131-3

Section 2.5.1.5.6

Support

Not yet supported

Signatures

#

Input (IN)

Input (N)

Return Type

Support

1

BYTE

INT

BYTE

Not yet supported

2

WORD

INT

WORD

Not yet supported

3

DWORD

INT

DWORD

Not yet supported

4

LWORD

INT

LWORD

Not yet supported

Description

Shifts the bit string IN right by N positions. Vacated positions on the left are filled with zeros. Bits shifted beyond the rightmost position are discarded.

Example

result := SHR(BYTE#2#1000_0000, 3);   (* result = 2#0001_0000 *)
result := SHR(WORD#16#FF00, 8);        (* result = 16#00FF *)

See Also

  • SHL — shift left

  • ROR — rotate right

  • ROL — rotate left