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Type: Posts; User: JerryGarcia

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  1. Re: hybrid Closed Loop Stepper vs dmm servo

    The downside with servos is that you’re looking at reduction of some variety, and of course, cost. It also seems somewhat dicey to run a non linear rail machine at those speeds, and while I know many...
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    Re: Wierd Anomaly with Post to Mach3

    Give that a shot and see if it simulates better.
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    Re: Centroid Acorn experiences?

    I landed on UCCNC after running Mach3 for years (with ESS), then demoing Mach4, LinuxCNC, and Acorn as I tried to move into a modern platform. My neighbor has a machine with LinuxCNC that I taught...
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    Re: MX3660 with SainSmart Relay

    So I got "free" relays to replace the incorrect ones as I got to keep the incorrect ones (I do have some DC plans so it will work out nicely). I connected it all up tonight and with little surprise...
  5. Re: Is a Harmonic Drive best solution for a 4th axis?

    For the HD I used on my fourth, a 50:1 unit, I sized my Oldham couplers so that it would fail before I damaged the HD. It’s also possible to do that with belt drives. Obviously there is a bit of a...
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    Re: MX3660 with SainSmart Relay

    Case closed, boys. I ordered the 24v-380v AC solenoids, I received the 5v-200v DC solenoid. I didn’t read the label, and so I spent two our three hours messing around with the wrong parts. Seems like...
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    Re: MX3660 with SainSmart Relay

    Well, no luck with those tests. Same results. It also seems my fan blew after leaving it run on 70v for a half hour, it won't run on any outlet.

    It seems these SSRs are leaking like 70v when off....
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    Re: MX3660 with SainSmart Relay

    I soldered up a 15k resistor with a bunch of 2.8k and 3.5k resistors (not sure wattage). I connected it across 1 & 2 on the SSR. Same result.

    I measure dthe voltage from the "off" side of the SSR...
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    Re: MX3660 with SainSmart Relay

    Okay, 2w it is.
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    Re: MX3660 with SainSmart Relay

    14k if my math is right?
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    Re: MX3660 with SainSmart Relay

    I’m in the US, so 110/120 AC.

    Edit: fat fingers, lazy proofing
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    Re: MX3660 with SainSmart Relay

    Thanks!

    The main thing is that I have four distinct and switchable relays now, which is a huge improvement. I'm close to being functional again should I get the leakage worked out.

    Any guess on...
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    Re: MX3660 with SainSmart Relay

    Came across this video, same guy that was posted earlier with the tear down on the Fotek unit.

    https://www.youtube.com/watch?time_continue=288&v=tzWz_guJHvY

    So yeah, I'll have to test with my...
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    Re: MX3660 with SainSmart Relay

    My wife hasn't showered since like Sunday, she's been too sick to get out of bed for the most part. I don't think she noticed my lack of hygiene. She's improving though, she could come home as early...
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    Re: MX3660 with SainSmart Relay

    I got the Fotek units connected up. I ended up installing four of them, all running on 5v, all connected to the four outputs on the MX3660.

    I can switch them all on and off, but they all have a...
  16. Re: Anybody know what "PathPilot Controller - Next Generation" means?

    I bet they replaced Kirk with Picard.
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    Re: Tormach sales

    I ship to CA all the time for my business. It's a real bummer when I'm sending $100 USD of parts and it costs $43 to get it there.

    Many of my customers have U.S. shipping addresses that they cross...
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    Re: MX3660 with SainSmart Relay

    I think the hand writing is on the wall here. I need to buy the Fotek units. Continuing to mess with this relay board simply doesn't make any sense.

    I certainly appreciate everybody's contribution...
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    Re: MX3660 with SainSmart Relay

    The C10 is connected to the UC300eth-5lpt.

    The behavior of the MX3660 outputs are consistent with the C10 removed or plugged in.

    I have not even attempted to configure the C10 jumpers, I've...
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    Re: MX3660 with SainSmart Relay

    I get 0V (off) and 5V (on) across the 1k5 resistor. This solves the dimly lit LED issue when off.

    The multiple output issue is persistent.
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    Re: MX3660 with SainSmart Relay

    The SSR switches on/off, though sometimes gets caught in the unknown state, meaning the LED light in this video sort of flickers unpleasantly. I tried to catch it in the unknown state, of course it...
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    Re: MX3660 with SainSmart Relay

    Here’s a video.

    Note how the LED’s lit dimly despite being in an off state on the controller, then when the pin is activated they turn on fully. Also, sorry for the shaky video, I was recording...
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    Re: MX3660 with SainSmart Relay

    I totally misinterpreted the drawing. I really need to take a class on fundamentals of this stuff.

    I recently installed a C10 BOB as I needed additional inputs for encoder and some proximity...
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    Re: MX3660 with SainSmart Relay

    Thanks, I'll give it a shot with something like .7k, maybe .5k.
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    Re: Retrofit for CNCMaster Junior Mill

    Britt's suggestion is a good one, definitely consider it. I think there's an offshoot the Grbl that has backlash comp, but I can't remember the name.

    Fusion360 is the go to software these days. It...
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