Then we need to tell the PLC (program) to turn on the lamp 30 second after we push the switch. We just need to wire switch, PLC, and lamp in a diagram. But how if we need to make the light on 30 second after switch pushed? It will be hard if we use mechanical clock and bunch it mechanically with the switch. What is the LogixPro 500 PLC Simulator Combine our ProSim-II programmable process simulations with a PLC Editor/Emulator which mimics Allen-Bradleys.
If we push the switch button the light would turn on or off immediately. Simple example about utility of PLC is to leverage function of a switch that turn on/off a light.
It has high reliability and stable in rough condition, so many manufacturing line prefer to use it than computer. For simplification, PLC is like our laptop or personal computer but only to run special program in controlling other devices during its lifetime. But what exactly PLC is? If you are non-expert, student, or just want to know more about PLC, then this information will be valuable for you.Ī Programmable Logic Controller, or PLC, is a special computer devices to control system that continuously monitors input and generate output based upon a custom program.
It help human to control machine or process as human needed. This devices common used in industrial or manufacturing lines, oil refineries, conveyor system, and soon. It is familiar to hear PLC in engineering, especially in electrical or mechanical engineering field.
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