shr

PLCopen motion icon

 Function - Shift bits of a register to the right.

Inputs

Input

Data Type

Range

Unit

Default

Description

IN

ANY

 

 

 

Register.

NBS

ANY

 

 

 

Number of shifts (each shift is 1 bit).

Outputs

Output

Data Type

Range

Unit

Description

Q

ANY

 

 

Shifted register.

Remarks

  • Arguments can be signed or unsigned integers from 8- to 32-bits.

Diagram

FBD Language Example

FFLD Language Example

  • In the FFLD Language, the input rung (EN) enables the operation.
    • The output rung keeps the state of the input rung.
    • The shift is executed only if EN is TRUE.
    • ENO has the same value as EN.

IL Language Example

  • In the IL Language, the first input must be loaded before the function call.
    • The second input is the operand of the function.
Op1: LD  IN
     SHR NBS
     ST Q

ST Language Example

Q := SHR (IN, NBS);

See Also