Determine the necessary PLC switch actuation status (i.e. low versus high process stimulus) to turn the yellow lamp on.
Sketch a Ladder Diagram program for this PLC to energize the lamp if the following input conditions are met.
Suppose we have a PLC connected to three pushbutton switches. Sketch a Ladder Diagram program for program example.
Suppose we have an Allen-Bradley MicroLogix 1000 PLC and two pressure switches we need to connect to it.
This post covers the PLC important questions and answers which are discussed in an interview for automation engineer or PLC…
Programmable Logic Controller (PLC) Questions and Answers This PLC is being used to start and stop an electric motor, and…
The following PLC program was written to control the operation of a large electric motor-driven pump. A variety of “permissive”…
Programmable Logic Controller Questions and Answers The following PLC program was written to control the operation of a large electric…
We Discuss about Process Control Instrumentation Engineering Interview Questions and answers useful to prepare for the job interview. Process Control…
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