Category: Troubleshooting

PLC Troubleshooting Flowchart (and Explanation)

Programmable Logic Controllers are ruggedized computers, specially designed and built to operate reliably under harsh industrial environments. A typical PLC system consists of a processor (CPU), programmable memory, power supply, a user-defined program, I/O modules with associated circuitry, and a programming device with the necessary programming software. The programmable memory stores a series of instructions…

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