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help in setting up needed for a noob
« on: September 03, 2010, 06:48:34 AM »
hey guys
i am very new to all this and cant get my homemade cnc machine (with a Toshiba tb6560 and motors bought of ebay) working on mach3. i have tried to follow the video tuts but still no joy so heres what i've done.

first off the wiring for the motors black to A+, green to A-, red to B+, blue to B-, if this is wrong can you please let me know as i had to search the net to find it (the ebay seller tried to be helpful but really didn't know their wears).

second i have put all the inputs into mach3 parallel port address, Hz, motor outputs, input signals, and output signals.

i then press the RESET button in mach3 and everything goes well in Diagnostics page

i then load gcode of roadrunner and then hit CYCLE START button and everything starts on the program but nothing happens with my  motors

any help would be great please im truly stumped and have been trying to get it working for a week now

cheers
Ben

Offline Hood

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Re: help in setting up needed for a noob
« Reply #1 on: September 03, 2010, 07:22:41 AM »
Got a link to documents?
Hood

Offline Tweakie.CNC

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Re: help in setting up needed for a noob
« Reply #2 on: September 03, 2010, 01:33:19 PM »
Ben,

If you have a continuity tester / meter you can identify the motor wires. Two wires are connected to one set of internal coils and two wires are connected to the other set of internal coils. Check for continuity then connect this pair to A+ / A- check for continuity and then connect the other pair to B+ / B-. It doesn't matter which way round the pair of wires go, as the direction of rotation is taken care of later in the Mach settings.

Tweakie.
Success consists of going from failure to failure without loss of enthusiasm.  Winston Churchill.
Re: help in setting up needed for a noob
« Reply #3 on: September 03, 2010, 05:01:04 PM »
thanks for the replies guys

hood here is all that they gave me hope it helps

Ben

Offline Hood

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Re: help in setting up needed for a noob
« Reply #4 on: September 03, 2010, 05:17:44 PM »
Have you got the enables set like in Fig 5 in the document?
Do the enables show as working on the diagnostics page in Mach?
Make sure your parallel port cable is a straight through cable and not a crossover.
Hood

Offline RICH

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Re: help in setting up needed for a noob
« Reply #5 on: September 04, 2010, 08:44:58 AM »
Hmm,
Just a FWIW, I helped a young fellow out who bought a Chinese dirver similar to that and the motor pin outs were wrong in the document.
Was a PITA, but we figured it out. Lots of combinations to try ......
I will assume that is not your case.

RICH
Re: help in setting up needed for a noob
« Reply #6 on: September 04, 2010, 05:29:05 PM »
ok heres a picture of the diagnostic page

cheers ben

Offline Hood

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Re: help in setting up needed for a noob
« Reply #7 on: September 04, 2010, 05:49:48 PM »
That looks fine so only other thing I can think of is that your dont have the correct port assigned or as before your cable is not straight through.
Hood