basics of plc ladder logic Archives

Contacts and Coils in PLC Ladder Logic

The most elementary objects in Ladder Diagram programming are contacts and coils, intended to mimic the contacts and coils of

A wise PLC programmer once told me that the ﬁrst thing any aspiring programmer should learn about the PLC they

In the late 1960’s an American company named Bedford Associates released a computing device they called the MODICON. As an

Liquid Mixing Application This is PLC Program for Automatic Liquid mixing Application. Problem Description In many industries, there are lots

Sequential Motor Control This is PLC Program for Sequential Motor Operating System. Problem Description In many industries, there are lots

This is PLC Program for Two ways switch logic for staircase light in house PLC Two Way Switch Logic In duplex

Automatic Lamp Control This is PLC Program for Automatic lamp Control in Godown (Storage Facility). Problem Description In old process,

Parameter Initialization when Power UP This is PLC Program for Automatic Parameter initialization when power up. Problem Description In many

PLC Latching and unlatching Circuit This is PLC Program for Latching and unlatched circuit for output. Problem Description In some conveying

3 Phase Motor Control using PLC This is PLC Program for Forward and Reverse control for 3 Phase Asynchronous Motor.