Asked by Ja'Nayla Watts on Apr 25, 2024

The Immediate Input with Mask (IIM) instruction allows the ladder programmer to update data prior to the normal input scan.

Immediate Input

Input data or signals that are processed as soon as they are received by a system, without delay.

Mask Instruction

A mask instruction in computing or programmable logic controllers (PLCs) is used to selectively enable or disable bits in a word or byte by applying a mask pattern.

Input Scan

One of three parts of the PLC scan. During the input scan, input terminals are read and the input table is updated accordingly.

  • Comprehend the importance of program control instructions in altering the standard sequence of program execution.