3.3v Limit Switches and Pump on Gas Laser

[silver2row]

Hello Again,

Okay. So, I had the guts. No guts, no glory. FG is something unaccounted for currently. L- is the GND and the other two AC lines are in/out.

I tested the rest of the AC/DC connections while things were on and powered. Phew and okay. It seems that there was no issue w/ the older controller. Someone close played a trick on me and unwired a couple lines on the DC side to create the issue I was seeing. Bastards.

Anyway...

1. This project is now a go.
2. The Gecko drivers from the Acorn should work just fine at 12v or 24v depending on how I power them.
3. I will look and review some more schematics before going through w/ PWM control from the CNC source you produced.

Seth

P.S. Sorry to bother people again. No guts, no glory (sort of).

[silver2row]

For the endstops, my four pin endstops that are optical endstops, could I use them w/ the DB25 connection along w/ the DB9 connection and w/ the H1 (IN5 - IN8)...

The reason I ask is this idea:

Emitter-Collector Voltage 5 V


and...

Collector-Emitter Voltage 30 V


So, I have a max of 30v (covered here w/ the 24VDC input) and a control voltage of 5v (minimum which is covered by many outputs)...

I still have four pins * 2 which results in eight pins/wires total.

I am having an issue now w/ the DB25 connector being allocated for my inputs/endstops.

The issue is that the outputs are not enough since I am using PWM for the Gas Laser.

I need Pin 2 on the DB25 for PWM.

Seth

P.S. I also have a three wire pump (I/O and GND), another I/O in the form of a laser to show where in the world the laser will be directed, and some issues w/ the 5v-/+ on two pins that are output on the PSU:

This is the old controller. It is compensating for the deter of the two pins, that are neither 5v or 5v that lead to the controller, w/ a resistor as a helpful "build".

Also:

This is the PSU in question:

I have an issue w/ it so far. My 5v on two pins are a bit off by about 0 to 1 volts from the GND for my DC. So, I am in guess work. If you have ever come across any issues like this idea, please try to understand guidance may help for now. Also, send rations!

[silver2row]

This may help you help me!

This is what I am trying so far w/out doing incremental builds.

Seth

[silver2row]

Okay and Still Trying,

The reason I am rehashing this idea is because I am still dealing with the slotted, optical switches for basing the 20" * 12" surface for laser usage.

Pin # / Color - Purpose

1 / Black - Cathode
2 / Red - Anode
3 / White - Collector
4 / Green - Emitter

I have my pump and motors done. Just to update people...

1. I am not sure what to do with the 1 - 4 from above so far.
2. The CO2 laser is pretty much accounted for currently. So, I will not need help wiring that component.
3. I looked on the older controller for the 1 - 4 from above and found that white and green wires, from their respective switches, were tied together.

So, white and green from switch one were tied together.

And, white and green from switch two were tied together in the same I/O.

Seth

P.S. OPB830 and OPB840 (L and W) with my package being the W form are the optical switches. I am just not sure so far how to connect them to the Acorn CNC headers.