Greetings,

I turned on the power to my system today and my 180 pound gantry shot full 
speed crashing hard into the end of my table.

It hit with so much force it actually lifted the front two legs of the 500+ 
pound table 6+ inches off the floor! Yikes!

Luckily the machine only suffered minor damage, but needless to say I really 
would like to avoid this from ever happening again.

I was a stumped at first as the last time I used it everything was stable. It 
turns out that I had a loose connection to the encoder. I am going to soldier 
the wires on the pins of the encoder to prevent that from happening again, but 
I was wondering if there is anything I can do to disable motor power in the 
event a connection to a encoder is lost.

I understand why it happened - without the encoder live the motor was just 
attempting to position itself at 0.

I am guessing there is not an easy way to detect this condition, but I wanted 
to see if anyone else has any thoughts on the subject.


Thanks,

Jeshua Lacock
Founder/Engineer
3DTOPO Incorporated
<http://3DTOPO.com>
Phone: 208.462.4171


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