Beginner lesson 6 of 17 · 20 min Pro

Normally open and normally closed field devices, and a fail-safe Stop

Normally open and normally closed field devices, and a Stop wired so that a broken wire stops the motor.

The starter project is free, with no account. The video is free with an account. The lesson, quiz and checked practical are Pro.

What you build.

Why a Stop button is wired normally closed, how the ladder reads it, and a seal-in where a broken wire stops the motor.

A short walkthrough. Free with an account.

Short steps, one idea each.

A short quiz, with the reason behind every answer.

Build it in FORGE. Check my work tells you what to fix.