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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

S Bharadwaj Reddy
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...

PLC Important Questions and Answers

S Bharadwaj Reddy
This post covers the PLC important questions and answers which are discussed in an interview for automation engineer or PLC engineer. PLC Important Questions What is PLC ? An industrial ...

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,...

Troubleshoot Allen Bradley PLC Logic

S Bharadwaj Reddy
A engineer needs to write a program for an Allen-Bradley CompactLogix PLC to control a pressure relieving solenoid valve in a gas processing system. A pair of high-pressure control switches...

PLC Multiple Choice Questions

S Bharadwaj Reddy
Instrumentation Tools assists you a complete guide which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competition exams and prepare for the top MNC...

100 PLC Quiz Questions : True or False

S Bharadwaj Reddy
Instrumentation Tools assists you a complete guide which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competition exams and prepare for the top MNC...

Programmable Logic Controller Quiz

S Bharadwaj Reddy
Instrumentation Tools assists you a complete guide which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competition exams and prepare for the top MNC...

Motor Trip Logic using PLC Programming

S Bharadwaj Reddy
Programmable Logic Controller (PLC) Questions and Answers This PLC is being used to start and stop an electric motor, and also to shut it down automatically if any of three...

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