End stop polarity ?
Posted by Replace
|
End stop polarity ? August 21, 2014 04:12PM |
My Rostock came with mechanical endstops:
The building instruction warns me on polarity on the Ramps.
i do not understand, it is a make/break switch. How can reversing the wires be any problem ?
Thomas
www.3daybreaker.blogspot.com
Orca V4.4 rebuild to Ramps with Mk8 and E3D, as well as a Rostock Delta Mini and an OLO in backorder :-)
The building instruction warns me on polarity on the Ramps.
i do not understand, it is a make/break switch. How can reversing the wires be any problem ?
Thomas
www.3daybreaker.blogspot.com
Orca V4.4 rebuild to Ramps with Mk8 and E3D, as well as a Rostock Delta Mini and an OLO in backorder :-)
|
Re: End stop polarity ? August 22, 2014 01:58AM |
https://groups.google.com/forum/#!topic/makergear/4OTkvvvfqws
All about delta 3d printers in one place [www.deltarap.org]
Quote
Polarity of the switch doesn't matter.
However, the RAMPS has three pins for each end-stop (to support optical
end-stops). So you have power, ground, and signal for each end-stop.
Wire them wrong so the mechanical switch shorts power to ground, and Bad
Things happen.
All about delta 3d printers in one place [www.deltarap.org]
Sorry, only registered users may post in this forum.