Emco PC120 Turn

**cropwell** · 11-03-2017

5 V +on Vcc on the relay board or you will burn it out !

**Clive S** · 11-03-2017

Chaz wrong time of night for sense

But I think you need to supply the bob with two power supplies one 5V and the other 12-24V before you will get any sense from it. Those bob's are £3,20 from ebay (China) inc PoP

**Chaz** · 12-03-2017

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So, is this correct? If so, assuming the PC setup is right, my BoB is broken. P17 never changes state / voltage.

**cropwell** · 12-03-2017

If you have set up the BoB OK with 12-24v GND and 5v from the PC using the USB cable AND the jumper on the BoB is off, AND ports and pins are set properly in Mach3, - then if your BoB is working it should work.

At the moment I am very pissed off that I have to rebuild my system from square 1 as after the hard drive failure, I have to reload all software. Fortunately I backed up all the work files but the Mach3 .xml has been lost and I thought I had a backup, but can't find it, so it looks like I have to go back to basics. I was up till 4:30 this morning trying to sort it, so I think today will be a 'FCUK It' day.

**Chaz** · 12-03-2017

Originally Posted by cropwell

If you have set up the BoB OK with 12-24v GND and 5v from the PC using the USB cable AND the jumper on the BoB is off, AND ports and pins are set properly in Mach3, - then if your BoB is working it should work.

At the moment I am very pissed off that I have to rebuild my system from square 1 as after the hard drive failure, I have to reload all software. Fortunately I backed up all the work files but the Mach3 .xml has been lost and I thought I had a backup, but can't find it, so it looks like I have to go back to basics. I was up till 4:30 this morning trying to sort it, so I think today will be a 'FCUK It' day.

Thanks. Sorry to hear about your issues. I try and backup mach3 often for the same reasons.

**Chaz** · 12-03-2017

Pretty sure the BOB is screwed. I tried to use its relay output and did something wrong. So a new one should be ordered I believe.

**Chaz** · 25-03-2017

Fcking electronics.

New BOB, all works. Awesome.

I then start to permanently solder the wires. I solder the 0V Gnd wire, sparks. Seems like my 24V PSU (x 2) have taken offence to me soldering whilst they were powered and both are now faulty. Really surprised. On my machine, they simply dont power. On the bench, it trips a 16A breaker once the PSU powers. Odd.

Ive got two of these units. 24V 5A each it seems.

http://www.ebay.co.uk/itm/VERO-MONOV...-/281969319232

Ill contact the manufacturer to see if they can look at them or repair.

One PSU powers two of these - http://jmcmotion.en.made-in-china.co...ler-3m860.html - suppose could go higher voltage?

The other powers the BOB and a very small stepper driver for the turret.

Argh.

**m_c** · 25-03-2017

Soldering the 0V/GND should not of had that effect.
Is your soldering iron grounded properly?

**Clive S** · 25-03-2017

Chaz most soldering irons are earthed so if you touch any live point you are basically shorting it to earth.. also those PS seem very expensive for a 24V 5A supply even a RS one like this http://uk.rs-online.com/web/p/din-ra...plies/1238020/ is cheaper.