Mecanumeric MF2040 LI retrofit (Pantograph)

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1 year 4 months ago #330234 by jackj120
I don't know if the driver it's enabled, its hard to understand something with that display and buttons . But i'm trying to operate with motion studio that won't give me access to the driver, could be the chinese CH340 usb A to rs232 that i'm using . For the mesa i tryied boot up linuxcnc with the mesa offline and it didn't boot up(with the mesa online it boot fine), so the problem now is that i need to know what the driver it's doing and why i can't connect with it.
Tomorrow i try to check if i can enable the driver with the buttons .

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1 year 4 months ago #330273 by jackj120
So, I've done a lot of progress . After I changed the usb  to RS232 cable( don't buy low quality RS232 to usb cable) I've been able to connect to my driver and configure the external enable and the internal disengage of the motor brake(you need to power the io from external 24v source with Leadshine) . After all this i wired a 24v Finder relay for the motor enable commanded by the mesa,when i launch the program the mesa power  the relay and enable all the drivers. Now  I'm able to move the axis from linuxcnc, but i think I'll change the basic Axis gui with probebasic for more userfriendly interface. For the motor wiring I have to thank the Leadshine tech support, they reply very fast, and for mesa i refered to this guy video  (very helpfull, the 7i76EU version it's same wiring confirmed by Mesa tech support , for shematics and 3d support prototipe refer to this  and official 7i76E pdf ). So now i've to do some tests and project all the electrical supply for all that stuff, and i have to adapt the motors to the mecanical part with new mounting plates(i think i will design them with Fusion 360 and buy them from PCBway machining or other). That's all.

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1 year 1 month ago - 1 year 1 month ago #334432 by jackj120
It's been a while since the last post .  So i've mounted all the machine and today i've done the first work with it , but there is a problem it's mirrored (like the second photo) . So searching online and talking with chatgpt i saw that someone change the sign of the  step_scale and so I did , but than i've problem with the limits . And i have to change them and adapt but i did not figured out yet how to do that properly , so any advice for that is well accepted. Other thing, i've to leave the normal axis gui and change that with one mine personalized because i need custom buttons (and it's more cool) .Can someone give me some advice?
Last edit: 1 year 1 month ago by jackj120.

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1 year 1 month ago #334455 by tommylight
Probably would need also changing the - sign for home_search_velocity and maybe home_latch_velocity for that axis/joint.

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1 year 1 month ago #334474 by jackj120
Ok but, when i'm done with the homing , the machine have a problem with the limits. It's convinced that it have the two meters going to the limit homing switch but after the homing it would have to do go to the others side for two meters. Maybe today i figure out how to do that.

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