Contactor for 115V...

[salewis]

I begin by saying that I'm nervous running 115vac out to the EPO switches that I am planning (one on gantry, one on table, probably one on control box) which is what the TECO CU-16-F6 from factorymation.com wants for the coil voltage..

What are the options (other than two-wire with braid for the 115vac)? Pros and cons?

[jhiggins7]

I had the same concerns about running 115 volts out to the table unnecessarily. So, I used 12 volts for the E-Stop circuit. works fine and no need to run 115 volts to the table except for the router.

[salewis]

so then you have a 12V contactor then in the EPO (emergency power off) circuit?

I use EPO terminology rather than E-Stop to help remind myself that this is different than Mach3 E-Stop.

Stan

[jhiggins7]

Stan,

Yes.

My design is described in this post including a schematic (http://www.mechmate.com/forums/showthread.php?p=18839&highlight=schematic#post18839).