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86. Using NO or NC Contacts in PLC Programming _ Part 1

PLC Progression - Level 3 (Lifetime Access) • 5m 40s

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  • 87. Using NO or NC Contacts in PLC P...

    Let’s replace the normally open stop switch with a normally closed one and write the program once again.

  • 88.Single Start Switch PLC Program _ ...

    In previous lessons I wrote a PLC program for running the motor in both momentary and latched modes. In another lesson I wrote a PLC program to run and stop a heavy three phase motor and a fan with a single momentary switch. In the momentary program, there was only one switch that we could use as...

  • 89.Single Start Switch PLC Program _ ...

    In the previous lesson I added a parallel shortcut path to the program to be able to run the motor in the momentary mode but this didn’t help and the motor was still running in the latched mode when I pressed the switch. Now let’s see how I can modify current PLC program to be able to run the mot...

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