Level 4 of 23 · PLC lab

Program and prove it

Level 4 of 23 in the PLC lab: a free PLC exercise at Foundation level, which takes about 40 minutes. The panel is wired. Load a start and stop program that needs the proximity sensor before it will run, go online, prove every input and output on the I/O check sheet and pass the FAT.

40 minFoundationNot started

Goal

The panel is wired.

Done when

The acceptance test marks the skills this level practises.

Skills

Wiring at Foundation level.

Before you start

Level 3, Wire the PLC outputs, comes first. Do it first if the ideas are new to you.

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Free, in your browser, nothing to install. Your work is saved on this device. Updated 1 Nov 2026.

23 levels

Levels in the PLC lab

Program a working machine in ladder, Structured Text or SFC and watch it run.

Wire the PLC

Levels 1 to 4

Foundation

Levels 5 to 9

Intermediate

Levels 10 to 23

All 23 PLC programming exercises on one page: what each one teaches and how the marking works.

Previous level 3Wire the PLC outputs Next level 5Motor start/stop with overload

Part of the PLC lab

Program a working machine in ladder, Structured Text or SFC and watch it run.

Feeds these internships (training, not employment): PLC Programming.

About the PLC lab

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