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Sketch a Ladder Diagram for PLC to Energize the Lamp

S Bharadwaj Reddy
Sketch a Ladder Diagram program for this PLC to energize the lamp if the following input conditions are met....

PLC connected to Three Pushbutton Switches

S Bharadwaj Reddy
Suppose we have a PLC connected to three pushbutton switches. Sketch a Ladder Diagram program for program example....

Questions on Allen-Bradley MicroLogix 1000 PLC

S Bharadwaj Reddy
Suppose we have an Allen-Bradley MicroLogix 1000 PLC and two pressure switches we need to connect to it....

PLC Programming Question & Answer

S Bharadwaj Reddy
Question & Answer - A PLC has been programming to control the starting and stopping of a three-phase electric motor....

Example PLC Program

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A PLC has been programming to control the starting and stopping of a three-phase electric motor....

Identify the Problem in the PLC Program

S Bharadwaj Reddy
Identify the problem(s) in this PLC program, and modify it so that it will work as it should....

Troubleshooting PLC Permissive Inputs

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We have a problem in one of the PLC Permissive Inputs that there is a programming mistake, do the troubleshooting....

PLC Program to Control a Water Pump

S Bharadwaj Reddy
PLC program to control a water pump driven by an electric motor. It will be manually started and stopped by pushbutton switches, and shut down automatically by any one of...

MCQ on PLC (Programmable Logic Controller)

S Bharadwaj Reddy
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to...

PLC Permissive for Motor Control

S Bharadwaj Reddy
A engineer needs to write a PLC program to control a water pump driven by an electric motor. This water pump will be manually started and stopped by pushbutton switches,...

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