Electronics Forum: power supplies (Page 1 of 34)

MPM UP500 blowing power supplies

Electronics Forum | Tue Nov 29 11:45:35 EST 2016 | ttheis

I was able to repair the original power supply for the printer again with parts from another similar power supply on ebay. At first the machine didn't power up properly even though the supply voltages were all good on a volt meter when tested befor

MPM UP500 blowing power supplies

Electronics Forum | Sun Nov 27 16:53:39 EST 2016 | ttheis

Our UP500 has been running great for a few months then the AC/DC 5/12/24V power supply stopped working and the PC could not communicate with the cage. The PC screen also got very noisy. We replaced the power supply with a used replacement and the ma

MPM UP500 blowing power supplies

Electronics Forum | Thu Dec 01 13:35:21 EST 2016 | ttheis

I decided to replace the psu with three din supplies since it was a repeatable issue with the 5v rail. Machine is back in operation now with no signs of problems.

MPM UP500 blowing power supplies

Electronics Forum | Wed Nov 30 20:43:06 EST 2016 | ttheis

OK, so went to power up again today and had the same kind of issues. The 24V and 5V lights on the cage flicker dimly about every 500ms. I tried my trick of disconnecting the +24v lead to the lift table amp and it acted the same, so it didn't work th

power supply

Electronics Forum | Wed Feb 07 08:41:10 EST 2001 | dliechti

I have to design a power supply which converts 220V AC into 5V smothed DC. It has to be very small, so it shouldn't have a big transformer. Has somebody a scheme of a circuit? Thanks

siplace F5HM power conversion

Electronics Forum | Wed Nov 01 23:59:23 EDT 2017 | lkdhde1

F5HM power supply unit 00375503-02,consion document which I have is not suitable since this is new power supply unit, want to find out suitable document

Dek265 mk1 power problem

Electronics Forum | Mon Jan 06 05:53:47 EST 2020 | richardcargill

First switch on after the holidays and this year it's the Dek265 playing up. On switch on, the screen comes up with "motor comms failure, card 0 axis123 " . On looking at the cards there seems to be a power feed missing ( see attached pict

driving triacs in power supply

Electronics Forum | Sat Jul 24 06:00:50 EDT 2004 | zlatkon

I need to build regulated power supply 0-30V 0-20 Amps. The only solution possible for minimizing the thermal loss is to use triacs on the secondary Trafo side in order to cut the sine for low voltage output and great current. (like 5V, 20A). Please

Omniflo 10 power failure detected

Electronics Forum | Fri Apr 26 12:39:05 EDT 2013 | mmjm_1099

First started with having to replace the power supply in the computer. Once we did this now I am getting a "power failure detected" error on the screen as an alarm for the oven program. Anyone have some advice or input on this?

Omniflo 10 power failure detected

Electronics Forum | Tue Apr 30 10:03:31 EDT 2013 | mmjm_1099

Got it powered back on Friday.... We did check the UPS (power-supply)and indeed it was bad. So we referenced the manual and found you can bypass the UPS all together. So we just directly plugged the machine past the UPS. Well the machine is running b

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