Identify the Problem in the PLC Program
Identify the problem(s) in this PLC program, and modify it so that it will work as it should....
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Troubleshooting PLC Permissive Inputs
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
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 Permissive for Motor Control
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
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 Programming Questions & Answers – 2
A PLC has been programming to control the starting and stopping of a three-phase electric motor. Shown here is a partial wiring diagram and offline PLC program display for the...
PLC Programming Questions & Answers – 1
A PLC has been programming to control the starting and stopping of a three-phase electric motor. Shown here is a partial wiring diagram and offline PLC program display for the...
Siemens PLC Interview Questions and Answers
Siemens PLC Interview Questions and Answers : This article covers industrial automation interview questions and answers which covers basically Siemens PLC related questions and answers Siemens PLC Interview Questions Programmable...