[Home]History of Homing And Limit Switch

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Revision 17 . . (edit) January 21, 2012 12:54 pm by CNCDreamer [fixed LinuxCNC nowiki issue]
Revision 16 . . June 14, 2011 7:33 pm by Dougm [Added info on hall board]
Revision 15 . . December 6, 2008 2:47 pm by Chester [add text about why home and limit switches are wanted]
  

Difference (from prior major revision) (minor diff, author diff)

Changed: 1c1
Limit Switch and Homing Switch configurations and how they interact with each other and EMC2.

Limit Switch and Homing Switch configurations and how they interact with each other and LinuxCNC.


Changed: 94c94
together. In this case, it connects a parport pin to EMC. Everything
together. In this case, it connects a parport pin to LinuxCNC. Everything

Added: 105a106,121



Hall based Limit Switches


At the request of folks on the mailing list I have posted the (Eagle PCB) design for the limit switches I use on my machines here:


upload:CNC-Hall%20Board.sch

upload:CNC-Hall%20Board.brd


All passives are 0603 except for C1 which is 1206

The hall is an allegro A3213 (A3213ELHLT-T)

The connector is an RJ11-6P4C Digikey A31421-ND


The board is designed such that the RJ connector can be reversed at assembly time.

Doug Metzler


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