plcengineer

Modern industrial machines often require simple and reliable control using minimal hardware. One common requirement is to start and stop a motor using a single push button instead of separate Start and Stop buttons. This article explains a Single Push Button Start–Stop PLC logic using edge detection (P_TRIG) and memory bits, as shown in the … Read more

Here’s a simple PLC program example to understand the basic logic — written in Structured Control Language (SCL) for Siemens TIA Portal. This example turns ON an output when a button is pressed