GT 2560 3pin modification for BL touch sensor

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shiva
Posts: 48
Joined: Sat Jun 13, 2015 2:51 am

GT 2560 3pin modification for BL touch sensor

Post by shiva » Thu Jan 05, 2017 1:36 am

hi
Today i brought BL Touch sensor for My I3 pro X.I read wiki and somany topics related sensor.
But my problem is My board have only 2 pin in Z maximum.how to make it 3 pin or any other place possiable to place 3 pin?
Please explain me

bang
Posts: 402
Joined: Wed Dec 28, 2016 2:12 pm

Re: GT 2560 3pin modification for BL touch sensor

Post by bang » Thu Jan 05, 2017 11:10 am

Hi,Shiva
Have a look at this picture,and refer to the manual of 3Dtouch:
Catch45DD(12-16-09-14-59).jpg
Catch45DD(12-16-09-14-59).jpg (180.39 KiB) Viewed 9998 times

shiva
Posts: 48
Joined: Sat Jun 13, 2015 2:51 am

Re: GT 2560 3pin modification for BL touch sensor

Post by shiva » Thu Jan 05, 2017 11:54 am

Hi
this picture iSeen in wiki,But i get confuse where i have to solder 3rd pin.I guess next to 2nd pin there is place like small Dot is there.
Also one more doubt,I am using repetier-Host Cura.So please let me knowwhere I have to hek G28 and G29 command in Cura?

bang
Posts: 402
Joined: Wed Dec 28, 2016 2:12 pm

Re: GT 2560 3pin modification for BL touch sensor

Post by bang » Thu Jan 05, 2017 1:48 pm

1.You need solder 3-pin connector on "Z_max" position(you can see the printed chars on the back of the board).
2.I didn't find the entrance to type in the Gcodes in Cura,and i'm afraid you have to use Repetier Host...

shiva
Posts: 48
Joined: Sat Jun 13, 2015 2:51 am

Re: GT 2560 3pin modification for BL touch sensor

Post by shiva » Sat Jan 07, 2017 4:58 pm

Hi
I connected every thing as per instruction, updated frimwere .If I give print 3d touch sensor not blinking or not sensing .But all printers axis working.Please tell me what is problem?

Cup
Posts: 123
Joined: Fri Jul 15, 2016 6:11 pm

Re: GT 2560 3pin modification for BL touch sensor

Post by Cup » Wed Jan 18, 2017 3:44 pm

Did you fix it?I guess it is the firmware issue.

shiva
Posts: 48
Joined: Sat Jun 13, 2015 2:51 am

Re: GT 2560 3pin modification for BL touch sensor

Post by shiva » Sat Jan 21, 2017 11:39 am

I fixed it,the third pin not solder proper.i re solder that.now its working.thanks

Tamadite
Posts: 2
Joined: Mon Oct 10, 2016 2:39 pm

Re: GT 2560 3pin modification for BL touch sensor

Post by Tamadite » Tue Jul 18, 2017 10:40 pm

If you, as I do, have a GT2560 Rev.A and do not get comfortable soldering onto the GT2560, you can get the BLTouch to run by following this workaround:
1) Connect the black and white wires to Z-min as explained on the Geeetech wiki
2) Connect the brown and orange wires to two-pins socket where you should solder the three pins that is, to the right of the Z-min connector: the brown on the bottom pin and the orange on the upper pin (looking at the board with the USB connector facing downwards)
3) Connect the red wire to the available stepper socket: on the blue strip, second pinhole starting from below.

See attached picture.

That is what it takes on the hardware side. Now on the software side you have to activate "#define SERVO0_PIN 32". See Geeetech wiki for 3DTouch.

I have attached the Marlin version I adapted based on based on NiklasO (see NiklasOlofsson in GitHub) configuration I use in my printer for your reference. I have successfully compiled it with Arduino IDE 1.8.1.
Attachments
Marlin.zip
(876.54 KiB) Downloaded 590 times
GT2560.jpg
GT2560.jpg (152.54 KiB) Viewed 9021 times

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