PLC Math instructions

Allen Bradley Math Functions
  • PLC Tutorials

Allen Bradley Math Functions

To study the working of Allen Bradley Math functions (ADD, SUB, MUL, DIV, SQR & NEG) using simple example in…

3 years ago
  • PLC Tutorials

PLC Data Comparison Instructions

As we have seen with counter and timers, some PLC instructions generate digital values other than simple Boolean (on/off) signals.…

3 years ago
  • PLC Tutorials

PLC Math instructions

The IEC 61131-3 standard specifies several dedicated ladder instructions for performing arithmetic calculations. Some of them are shown here: PLC…

3 years ago
  • PLC Tutorials

PLC Counter Instructions

A counter is a PLC instruction that either increments (counts up) or decrements (counts down) an integer number value when…

3 years ago