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How To Invert Limit Switches

Written By: Ryan Lock (and one other contributor)
  • Comments: 2
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Difficulty

Moderate

Steps

1

Sections

1

Flags

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  1. If your limit switches are showing as 'Triggered' when they are not physically pressed, but change to 'Not-Triggered' when pressed, please complete the steps below. Under File Management > System click on 'config-axes-endstops.g'

    • If your limit switches are showing as 'Triggered' when they are not physically pressed, but change to 'Not-Triggered' when pressed, please complete the steps below.

    • Under File Management > System click on 'config-axes-endstops.g'

    • Invert the limit switch by adding a '!' in-front of the pin name.

    • For example in Image 2 we have inverted the X-Axis Limit Switch.

    • Save the file.

    • Press the software emergency stop in the top right corner to restart the controller.

Conclusion

Thanks for following the guide. Any issues, please contact us!

Author

with 1 other contributor

Ryan Lock

Member since: 04/11/2018

48,159 Reputation

22 Guides authored

2 Comments

What dose inverting a limit switch actually do

david.keating68@outlook.com - Reply

Hi David,

This guide is to reverse the response of the limit switch if they are showing as 'triggered' when open and 'not triggered' when pressed closed, as this should be round the other way.

So your limit switch should be 'not triggered' when open and 'triggered' when pressed closed.

Thanks.

Kimberley -

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