Mariss: Once upon a time, you were working on a 3phase servo driver and testing with the Shinano Kenshi LA052-040E4NL1 motor. Where did you end up on that? I...
Hi Doug, I don't remember ever working on a 3 phase driver, I remember someone looking for one for a high speed spindle. This would probably be beyond my ...
Hi Everyone, Please ignore this post! A little bit of finger trouble here! Greg ... From: "Belli Button" <belli@...> To: <geckodrive@yahoogroups.com> ...
Hi On the G2002 Rev3 board what is the significance of the "Reset" LED. I cannot see it on the copy of the Schematic diagram (although I printed this a good...
... normal? ... while ... need ... or ... There are a couple additoinal options. one is to use a seperate opto so the 3.3 runs that one, and you can use 5V to...
Hi John, Download the March19 pdf and you will see the LED. It is triggered if the watchdog is not reset meaning the RCM is not processing interrupts. Best, Ed...
... I assume you are using the MAINFIRMWARE.bin from this group files/G2002 Project/G2002 misc/ that claims to be version 3.2? There has been a version on the...
Mariss, My first excursion with a PMDX 120 and G320 drives ain't workin out too well, Was doing ok ,good smooth movements,quiet when "at rest" . One axis ...
... get a test meter and check that the direction pin on the Gecko is changing in level .. you should measure between the "v opto" pin and the "direction" pin...
Hi all, I'm trying to do backlash compensation on acme leadscrew of a knee mill but i get more position error, and looks like the error is accumulated. I've...
... Robin and Ed Thanks for your help. It was "removing the programming cable" that I had left out. I had totally forgotten that the cable tells the RCM to ...
Reduce the gib tightness on the knee. Its a combination of oil film with the oneshot oiling, temperature,and gib tightness and stickyness of the way oil....
thanks, The wiring is good, I think it is the opto,probably because I had 2 axis going way too fast, I was just testing to see "how fast will it go", I am sure...
... John, if you havent already tried it, have a go at flashing a G2002 with Steves code from the G2002-Misc directory (it should go in OK with the RFU) and...
"So you made the test with the meter? or you are just guessing thats what it is?" Yes, I have done test with meter, at the drive and on the PMDX board with...
Remove the main connector and measure the resistance from: POWER GROUND to ARM- POWER GROUND to ARM+ +18 TO 80VDC to ARM- +18 TO 80VDC to ARM+ These readings...
... variants, ... and ... Robin, Steve or others I have flashed the G2002 (fine Slab_3_3_050203.bin) and on bootup Reset LED is out. I cannot decide what to...
... It shouldn't 'hang' if you specify a non-existent COM port. Basically, to find the COM port number which Windows assigns, you have to navigate through the...
Mariss thanks for suggestion, I replaced the opto ,did the meter tests you suggested, it all checks out and runs fine. I reduced the accel and max velocity[s]...
... Steve Thanks - that will be it - Silly of me not to make the mental link to COM ports. I will get the VCP driver and it should be plain sailing. John...
... I repeat what I said twice already: If your opto blows when the machine faults, you have a serious wiring problem. Probably got your earthing messed up. In...
... Robin and Steve Thanks for the encouragement to do the experiment and help with the USB- VCP driver. The results *are* pretty stunning. No scientific tests...
... Hey :) .. glad you enjoyed it! If you are running this on a machine rather than just a test rig, you'll probably find you certainly can run 2 stack rather...
Hello all, Yesterday i have sent the same message, probaly i did something wrong so i try it again. What kind off problems do i get, when i switch off the...
Just wait until the "unstallable stepper" feature gets implemented. It will more than double the output of any stepper connected to any drive so long as the...
... Well, I can say that hardware step generation really helps. I built a hardware step pulse generator with an FPGA, and it enabled me to run a 150 Lb. ...
... This is what really excites me ... at the moment I use "fairly meaty" motors, and run them well within limits ... rapids are not that rapid, because I...
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