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Hardware & Machines
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Computers and Hardware
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Remora - ethernet NVEM / EC300 / EC500 cnc board
Remora - ethernet NVEM / EC300 / EC500 cnc board
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21 Apr 2025 13:14 #326804
by qaywsxedc
Hi Guys,
as easter project, i tried to put 32v von my nvem v2... damn it ...a capacitor blew up
can someone please give the values of it?
i can not read it anymore.
thanks in advance
best wishes
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22 Apr 2025 14:32 #326893
by DarkPhoinix
Hello
I ran a test to verify the problem I have,
that is: on the A-AXIS output (join 3) there is no signal
I enabled all the axes in the .ini .hal file inverted in the nvem-rt1052.txt file, the joint 3 pins (A-AXIS) with the joint 4 pins (B-AXIS)
it happens that joint 3 and joint 4 are inverted and on the B-AXIS output I find the joint 3 signals working, while on the A-AXIS output the join 4 signals do not work,
on the C_AXIS joint 5 output the signals work
it seems that the A-AXIS output on the NVEM card is physically interrupted, is it possible?
Hi,
I have prepared the hardware to check if yours is a hardware or software problem. Could you please tell me where you got the files from?
I have now used this link:
github.com/scottalford75/Remora-RT1052-c.../remora-rt1052-basic
and the machine works even if there should be a better setup for the servos, but the signals arrive for XYZ.
The following user(s) said Thank You: jjdege
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Thank you received: 32
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22 Apr 2025 15:55 #326898
by jjdege
hi
thanks for the feedback,
for testing I downloaded again from the link you posted, I loaded the configuration file that is in the folder, the I/O seem not to be suitable for the NVEM, however dir/step are suitable,
my result does not change XY works, Z pressing forward and backward only turns in one direction, the dir channel does not work, and I think that by also setting the A axis it does not work.
I think it is a hardware problem.
thanks
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22 Apr 2025 17:47 - 22 Apr 2025 18:48 #326903
by DarkPhoinix
hi
thanks for the feedback,
for testing I downloaded again from the link you posted, I loaded the configuration file that is in the folder, the I/O seem not to be suitable for the NVEM, however dir/step are suitable,
my result does not change XY works, Z pressing forward and backward only turns in one direction, the dir channel does not work, and I think that by also setting the A axis it does not work.
I think it is a hardware problem.
thanks
Hi, I used your configuration by copying your files to mine and all the axes work. Did you get a board with only 3 axes? Or do you have a 6 axes? Because the manufacturer could have not soldered the bga. Or simply there is some faulty circuit, I don't know if there are opto-isolators in the output but there should be.
but I didn't compile any hal file like this "nvem-rt1052.hal"
Last edit: 22 Apr 2025 18:48 by DarkPhoinix.
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22 Apr 2025 18:50 #326907
by jjdege
Hi
the board is a 3-axis, but I don't think it depends on that, I think.
Ultimately, on six axes XYB working, Z and C turning in one direction, dir doesn't work, A doesn't work.
I haven't had any luck....
this is the second board, the first one in understanding how to flash it I must have made it unusable, I can't get it back.
I don't want to buy another one, never mind.
Thanks for the feedback
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22 Apr 2025 19:29 - 22 Apr 2025 19:31 #326908
by DarkPhoinix
Hi
the board is a 3-axis, but I don't think it depends on that, I think.
Ultimately, on six axes XYB working, Z and C turning in one direction, dir doesn't work, A doesn't work.
I haven't had any luck....
this is the second board, the first one in understanding how to flash it I must have made it unusable, I can't get it back.
I don't want to buy another one, never mind.
Thanks for the feedback
try this:
mkdir ~/linuxcnc/configs/remora-rt1052-test
pair the contents in this dir:
github.com/scottalford75/Remora-RT1052-c.../remora-rt1052-basic
download this:
github.com/scottalford75/Remora-RT1052-c...xCNC/nvem-rt1052.txtpython3 upload_config.py nvem-rt1052.txt
pair your files:nvem-rt1052.hal,nvem-rt1052.ini
then:
and try again please
Last edit: 22 Apr 2025 19:31 by DarkPhoinix.
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23 Apr 2025 06:48 - 23 Apr 2025 06:51 #326935
by jjdege
Thank you
it's not a configuration problem
I tried the procedure you described, but nothing changes
XYB works, ZC dir doesn't work, A doesn't work
it's a hardware problem.
Thanks
Last edit: 23 Apr 2025 06:51 by jjdege.
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23 Apr 2025 10:09 - 23 Apr 2025 10:11 #326945
by DarkPhoinix
Thank you
it's not a configuration problem
I tried the procedure you described, but nothing changes
XYB works, ZC dir doesn't work, A doesn't work
it's a hardware problem.
Thanks
www.ti.com/lit/ds/symlink/sn74alvc164245...2Fwww.mouser.kr%252F
can you desoldering and test this? or replacing it shouldn't cost too much.
Last edit: 23 Apr 2025 10:11 by DarkPhoinix.
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23 Apr 2025 10:21 #326947
by jjdege
can you desoldering and test this? or replacing it shouldn't cost too much.
I guess the culprit is that chip, I already tried to redo the soldering, but it was no use.
I have the first unusable board with two of those chips, I'll see what I can do, I've never unsoldered/soldered chips like that.
thanks
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Remora - ethernet NVEM / EC300 / EC500 cnc board
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