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Introduction

This guides goes through connecting an emergency stop button to the Duet controller. An emergency stop button with Normally Closed terminals.

  1. Connecting an emergency stop button  to the E1 Endstop port of the Duet Controller. The two wires go into the outside pins, leaving the middle empty. Polarity is not a concern.
    • Connecting an emergency stop button to the E1 Endstop port of the Duet Controller.

    • The two wires go into the outside pins, leaving the middle empty. Polarity is not a concern.

    • In WorkBee Control Navigate to File - Management > System and open customconfig.g

    • Add 'M581 T0 E1 S1' to the end of the file.

    • If using a Normally Open terminal for the software endstop use the command 'M581 T0 E1 S0' instead.

    • Then add 'M582 T0' after.

    • Click Save to enable the Changes and Restart using the Emergency Stop Button displayed in the Workbee Control Interface.

Conclusion

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9 other people completed this guide.

Ryan Lock

Member since: 04/11/2018

19,944 Reputation

20 Guides authored

12 Comments

Wow! So much easier than the previous method. So, so glad I held off and did it this way. Works a treat.

Peter Bezer - Reply

That is great to hear!

Ryan Lock -

In the document it says ‘An emergency stop button with two Normally Closed terminals will be required.’ One set is connected to the Duet Controller E1 port. Is the other set of terminals used to cut power to the CNC PSU, Router or both?

Peter - Reply

Hi Peter,

Just one is needed for the above guide. But you can use two to also kill power which would make it double safe. Ryan

Ryan Lock -

I tried to replace the emergency off with the HomeAll function but it doesn't work.

HomeAll is as fixed in the system as the emergency stop?

Markus

Markus Wolny - Reply

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