Hi Volks, the proximity sensor of my 3D printhead is broken, i need a new. unfortunatly i dont can read nothing on the sensor, but i found this in the net. [image] %product-title% kaufen Top %brandid% Auswahl ✓ Schnelle & versandkostenfreie Lieferung ab 59,50 € möglich ➥ Jetzt günstig o…

I think youre looking for a Öffner / NC contact as the Contact is reported as 0x00 when the LED lights up but 0x01 when it turns off. Luban on the other hand reports “Open” when the LED is dark and “Triggerd” when its lit. So i cant 100% tell you what you need. Is the stuff on the case fo the senso…

Yes its nothing readable on my sensor, perhaps anybody can look on his for the needed Information? Since the I do manual calibration :wink: Not as bad as I thought My printjob will need over 60h thats worth the little work I think

Before you go too crazy, have you taken a moment to remove the side cover and reseat all the connectors on the control board? I would probably fashion a guess that you would need the normally open contact in NPN (which is what you have loaded up) but that is not necessarily accurate, it could be N/…

[image] Proximity Sensor specification Snapmaker 2.0 I searched a month ago for the part number but came up empty. I can tell you it appears to be a 24v NPN type proximity sensor with a 2mm sensing range. 3-wire connector with Gnd, sig and 24v and the signal wire is pulled…

I lay around this night and let my toughts spinning… Is it possible to exchange the sensor with a little circuit that is triggert by a swich a opener or a closer? I am a noob in electronics. But I think it must be possible. What do you think? @MooseJuice Yes it is a 3 wire sensor. @xchrisd Th…

There are ready to use sensors like industrial initiators to buy, it should not be really difficult to print or buy a holder and connect. Sry not at the PC, quick Google search here: [image] proximity sensor 2mm 24v - Google Search Alternative, a hardware switc…

Yes, you can infact do that If the voltage goes low upon sensing, you would need to consider this a normally closed contact instead of a normally open. i am surprised but not surprised at the same time, thanks so much for adding that information to the conversation @xchrisd Its possible I am mixin…

@MooseJuice You mean I have to measure the voltage on the sensors connector on the pcb in the Printhead? Is this right? The bouncing is no problem i think it reacts on first contact, then goes up a little bit and does the next.

Yeah I would just make sure the output pin reads 12 or 24V if you probe between the sensor output and + voltage, if it reads something else then we have to find a different way to wire it up, in the event the existing sensor has some kind of voltage reduction in its output. This is not likely but e…

I did some reconnaissance for the purposes of replacement here A350 - printing on glass Output out the bench, out of the circuit is: Triggered: 0.7V Not triggered: 2.0V Supply Voltage is 24V

Need help with the proximity sensor of the 3D Printhead

Snapmaker 2.0 (3-in-1)

xchrisd December 14, 2020, 8:28am 5

Hope this helps!

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Need help with the proximity sensor of the 3D Printhead

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