Emergency stop button minimal requirements?

[RichCournoyer (Richard Cournoyer)]

We have discussed this topic in great detail here, (there are different opinions of what is necessary)

How to install E stop

[image] [image] What you see here is, I installed 4 switches. each have individual sockets directly under them. The E-Stop is in series with the router hot wire. My E-Stop button has 2 separate sides one goes to the mains with the router the other is connected with smaller wire to the E-Stop pins on the controller board. When I hit the button the router stops and so does the controller. It DOES NOT power off the controller board it DISABLES the motors instantly via the controller board estop…