SHLb / SHL_SINT / SHL_USINT / SHL_BYTE

Function - Shift bits of a register to the left.

Inputs

IN : SINT 8 bit register
NBS : SINT Number of shifts (each shift is 1 bit)

Outputs

Q : SINT Shifted register

Diagram

Remarks

In LD language, the input rung (EN) enables the operation, and the output rung keeps the state of the input rung. In IL language, the first input must be loaded before the function call. The second input is the operand of the function.

ST Language

Q := SHLb (IN, NBS);

FBD Language

LD Language

(* The shift is executed only if EN is TRUE *)
(* ENO has the same value as EN *)

IL Language:

Op1: LD IN
SHLb NBS
ST Q