Build and Intro

**AndyGuid** · 01-11-2013

Originally Posted by swisscheese

Also ive heard a lot about a 'ground star point' or similar. Can someone take me through this, never really understood it. What grounds go back to it?

Rightly or wrongly I've filed away Jazz's summary at posting.... http://www.mycncuk.com/forums/genera...html#post35083 .... as gospel.

Btw @swisscheese, whereabouts in this great city are you based?

**swisscheese** · 06-11-2013

Originally Posted by AndyGuid

Rightly or wrongly I've filed away Jazz's summary at posting.... http://www.mycncuk.com/forums/genera...html#post35083 .... as gospel.

Btw @swisscheese, whereabouts in this great city are you based?

Thanks for the info, makes sense. I'm located in the south eastern suburbs, Caulfield area.

Here's where the machines at. I finish exams tomorrow so will be working on it full time now

Nice and pretty now all painted.

**swisscheese** · 08-11-2013

Hi all, some help with respect to a motor drive would be really good.

It's a 2m982 driver.

Anyway me being stupid some motor wires got crossed and there was a spark and now it doesn't work is the short of it. I looked a bit on the net and it says it has voltage and amp protection. I opened it up and no current flowed over the 10a 250v fuse. I then got some new fuses, however the ones I brought are an enlarged version, they also don't have the wire coming out the ends. I put this in. I then powered it up and what happens is the PSU powers it for a fraction of a second then the psu shuts off then the red led on PSU dims. I also soldiered a piece of wire where the fuse would be, exactly the same things happens as above. The PSU works fine on the other two drivers.

Any help would be greatly appreciated. Don't want to have to wait two weeks for new driver :(

Here's some pics

**swisscheese** · 10-11-2013

Anyone have any ideas about the above? I've already brought another but looking at a two week wait

cheers

**danilom** · 10-11-2013

I once fixed Leadshine DM856 after a short of one wire with ground, changed one mosfet IRF540 and a 2W resistor.
I have couple of 2M982 on my machine will look in the morning what parts could be the problem on it.

**swisscheese** · 11-11-2013

Originally Posted by danilom

I once fixed Leadshine DM856 after a short of one wire with ground, changed one mosfet IRF540 and a 2W resistor.
I have couple of 2M982 on my machine will look in the morning what parts could be the problem on it.

That would be great thanks. Is the easiest way to find what's wrong to get two drivers side by side, one working, one not and pretty much test resistance across the separate components?
I hooked they driver to PSU with a 5 A fuse between the two. It blew it straight away so somethings shorting.