Topics

1

PoKeys / Lathe - Quadature configuration and setup

« on: September 23, 2019, 05:27:28 AM »

I have Mach4 & Pokeys up and running on a CNC4PC M16D board but I need an example of the proper PK Pin configuration. I get a true RPM reading when selecting the INDEX(lathe) but I get 1/2 the reading when selecting the Encoder(lathe). It seems that the ENC A & B pulses are not being processed. I have been using PK Pins 8, 12 and 13 but I don't think that I have them set up right.

2

General Mach Discussion / Wiring Power Supplies

« on: March 09, 2016, 03:31:57 PM »

I'm in the process of rewiring my Mach3 Lathe controller due to noise problems and I have a few questions:
1. Should I connect the 5 Volt and the 48 Volt negative returns together or leave the outputs floating?
2. Should the negative outputs be isolated from equipment grounds, like Pc, Lathe and controller which are grounded to the GREEN AC ground.
3. Is it better use an external 5 volt power supply for the BOB or is the USB input OK, PROS & CONS?
4. Is it wise to add EMI/EFI filter and if so where  should they be installed.
Bob