Home » Draw Limit Switch Symbol ?
Practical Questions

Draw Limit Switch Symbol ?

Limit switches are often used on the doors of electrical enclosures and cabinets to automatically shut off power or shut down a machine’s function if anyone opens the door for maintenance purposes. The limit switch is typically mounted in such a way that a shut door holds the switch lever in the “actuated” position. When the door opens wide, the limit switch lever is released and the switch returns to its “normal” status.

Draw the appropriate limit switch symbol in this ladder logic diagram so that the control circuit (shown as a rectangular box) gets shut down if ever someone opens the cabinet door:

Limit switches Questions

Be sure to denote whether this limit switch needs to be normally-open (N.O.) or normally-closed (N.C.).

Answer :

Limit Switches Wiring

Share Your Answer / Comments

Credits : by Tony R. Kuphaldt – under CC BY 1.0

Share With Your Friends

Related Articles

Determine the Temperature of 3 Wire RTD

S Bharadwaj Reddy

Stripper Overhead Temperature Control System

S Bharadwaj Reddy

Identify Faults in PID Control Loop

S Bharadwaj Reddy

Hydrostatic Level Measurement – Temperature related Density Change Effects

S Bharadwaj Reddy

Programmable Logic Controller (PLC) Questions and Answers – 16

S Bharadwaj Reddy

Calculate 0%, 50%, and 100% Calibration Points for ΔP transmitter

S Bharadwaj Reddy

Leave a Comment

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More

Draw Limit Switch Symbol ?

WordPress Image Lightbox
Send this to a friend