Watch PLC Ladder Logic Execute in Real Time!

Name: Watch PLC Ladder Logic Execute in Real Time! | Open Video
Uploaded: 2026-07-08T11:53:26+00:00
Duration: 1 min 40 s

0:00
Now that we've verified all our input
0:01
wiring is correct, let's run the program
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and watch the ladder logic execute. Step
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one, put the PLC in run mode. Turn the
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CPU selector switch to the run position.
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The run LED on the CPU should illuminate
0:13
green.
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Step two, enable monitoring in the
0:15
ladder editor. Ensure you click the
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monitor icon in the task window toolbar.
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Your ladder logic will now show
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real-time states with green ON and red
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OFF indicators. Step three, open data
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view IO. Keep the data view panel open
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so you can see the tag values change in
0:31
real-time alongside the ladder logic.
0:34
Step four, test the start-stop sequence.
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Test the start function. Press the start
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push button. Watch DI01.1.1
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turn on green in the ladder and data
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[music] view.
0:45
The output DO0.1.1.1
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should turn on. The LED should
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illuminate. Release the start button.
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The output should stay on because of the
0:52
ceiling contact. Test the seal circuit.
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With the motor running LED on, observe
0:56
the ladder logic. You'll see DI01.1.1
1:00
start is off, red because you released
1:02
the button.
1:03
DO01.1.1
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seal contact is on, green. This is
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keeping the circuit energized. DI0.1.1.2
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stop NC contact is true, green, because
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the stop button is not pressed.
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DO01.1.1
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motor output is on, green. Test the stop
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function. Press the stop push button.
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Watch DI01.1.2
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turn on in data view.
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The NC contact in the ladder opens,
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turns red. The output DO01.1.1
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turns off. The LED turns off. Release
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the stop button.
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The motor stays off until start is
1:39
pressed again.

Watch PLC Ladder Logic Execute in Real Time!

accautomation.ca

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Watch PLC Ladder Logic Execute in Real Time!

accautomation.ca