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Author Topic: Gecko G540 Setup Help  (Read 6820 times)

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Gecko G540 Setup Help
« on: July 09, 2015, 05:56:15 PM »
I am building a Momus CNC 2.1 machine and I just received a Gecko G540 Stepper Motor Kit from Automation Technology

The Kit includes:
1: 1 pcs 48V 7.3A switching power supply (110VAC/220VAC)

2: 1 pcs Gecko G540 4 axis stepper motor driver, Current Version

3:  3 pcs High-torque Nema 23 1/4" shaft 381 oz-in stepper motors. These are optimized for the G540  at  3.5A  current , KL23H2100-35-4B

4: 3pcs High-performance flexible, Shielded  motor cables  12 feet cables.  No soldering

One side wired with BD9 connector, one side wired with motor plug

- See more at: http://www.automationtechnologiesinc.com/products-page/g540-stepper-motor-kits/3-axis-stepper-motor-cnc-router-mill-electronics-kit-gecko-g540-110vac220vac#sthash.qg7rEBWt.dpuf

I have fresh install of 32bit Windows 7 and have followed all of the documentation instructions from Gecko and Momus perfectly (I think...) The kit is basically "plug & play" so there was no soldering and resistors to install. Everything has gone exactly like it should have until I tried jogging the motors. All they will do is randomly shake and vibrate when I try to jog them. All 3 motors do the exact same thing so I am sure it is a problem with my Mach3 setup. I downloaded and installed the G540 XML into Mach3 file as well.
Here is a video of the problem I am experiencing:

https://www.youtube.com/watch?v=hAMr-3WTziA

Any ideas???

Offline dude1

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Re: Gecko G540 Setup Help
« Reply #1 on: July 09, 2015, 05:59:35 PM »
you motor`s will need calibrated it`s in the m3 manual how to do it
« Last Edit: July 09, 2015, 06:01:13 PM by daniellyall »
Re: Gecko G540 Setup Help
« Reply #2 on: July 09, 2015, 06:24:04 PM »
you motor`s will need calibrated it`s in the m3 manual how to do it

Thanks daniellyall!
I have looked through the manual and I can't find anything in it in regards to "Motor Calibration". Can you be a little more specific?
I used the "Motor Tuning" settings provided by the Momus instructions.

Offline dude1

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Re: Gecko G540 Setup Help
« Reply #3 on: July 09, 2015, 07:08:58 PM »
5.5 Tuning Motors in the manual
Re: Gecko G540 Setup Help
« Reply #4 on: July 10, 2015, 10:47:38 AM »
Well, I have been through the entire motor tuning section again and have tested all the settings. I still only get the shaking/vibration but it will start and stop slower with a change in acceleration or shake/vibrate faster or slower with a change in velocity. I have been testing only a single motor at a time. I had to leave for an hour or so to go to a meeting and when I returned, the motor was extremely hot. l left it plugged in but there was no motion.
If I unplug the parallel cable, sometimes there is an audible hum from the motor and it immediately begins to get warm when the system is powered up.

Any suggestions?
Re: Gecko G540 Setup Help
« Reply #5 on: July 10, 2015, 01:13:50 PM »
I talked to Gecko support and I was told it sounds like the motors are not wired correctly. I purchased a pre-wired "Plug & Play" kit. I know I should have an ohmmeter but I don't.
Does this look correct to you?



Re: Gecko G540 Setup Help
« Reply #6 on: July 10, 2015, 01:24:13 PM »
Based on this, it looks to be wired incorrectly...

Re: Gecko G540 Setup Help
« Reply #7 on: July 10, 2015, 01:41:04 PM »
Looks like you have the red and green crossed.

The black and green are one coil, and the red and blue (now white) is the other coil.
Russ
« Last Edit: July 10, 2015, 01:43:11 PM by Overloaded »
Re: Gecko G540 Setup Help
« Reply #8 on: July 10, 2015, 01:43:18 PM »
Looks like you have the red and green crossed.


That is what I thought! I just wanted to hear it from someone else.
This was purchased as a pre-wired "Plug & Play" Kit from Automation Technology.
Re: Gecko G540 Setup Help
« Reply #9 on: July 10, 2015, 01:53:38 PM »
You should maybe verify it with them first to cover yer a$$, but it looks like a mistake to me. Easy mistake to make I guess ... if not tested afterwards.