Toggle Switch in PLC Ladder Logic using Counter
Problem Write a PLC ladder logic program to design a toggle switch using only a single counter in order to convert a push button into…
Category: PLC
PLC Programming for Blinking Indicator Lights
In this article, we discussed the PLC programming for blinking indicator lights for making flashing lamps to turn ON alternately every 2 seconds.
Turn ON PLC Output if the Push button is Pressed More than 6 times
Problem Write a PLC ladder logic to turn ON an output when the same input push button is pressed more than 6 times. Turn ON…
Bottle Filling PLC Ladder Logic
In this problem, write a PLC ladder logic for filling a bottle for 7 seconds based on a fixed time interval using timers.
A Simple Counter Application in PLC
A simple counter application in the programmable logic controller (PLC) using a counting example on conveyor motor and proximity sensor.
Motor Starter Control PLC Logic
In most industrial applications we generally find the PLC controlling motor starter control using ladder logic programming.
Stop Start and Limit Switch PLC Logic
Write a PLC ladder logic program to start and stop a conveyor motor based on a limit switch status signal.
Warning Signal When Moving Equipment Ladder Logic Program
A ladder logic program, which can be used as a warning signal when moving equipment, such as a conveyor motor, is about to be started.
Timers and Counters
Timers and counters are PLC internal instructions that provide the same functions as timing relays and counters.
A Simple Ladder Diagram with NO and NC Contacts
Learn the basics of PLC with an example of a simple ladder logic program with the NO and NC contacts driving an output rung.