Online PLC programming refers to modifying or monitoring the PLC program while the PLC is actively controlling a process. This is done by connecting a programming device (like a laptop) to the PLC and making changes directly to the program that is currently running. The practical advantage is the ability to make real-time adjustments and diagnose problems without stopping the controlled process. For example, if a machine is running slower than expected, you can adjust the timing parameters of the PLC program online to optimize its performance without....
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