Questions tagged [inductive-sensor]

For questions dedicated about the mounting or useage of Inductive sensors

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8
votes
3answers
8k views

Inductive Sensor in 24 V machine?

I am getting a 24 V based Ender 3. From the factory, it has an aluminium bed. So I also put this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current into the box together with ...
7
votes
1answer
4k views

Issues with Auto Bed Leveling

I have enabled auto bed leveling on my 3D printer. I have used a 6-36 V inductive sensor with a 7805 voltage regulator running the sensor at 10.78 V. I am using Marlin 1.1.9. This is my configuration ...
6
votes
1answer
3k views

Using auto-bed leveling, do I need to initiate G29 before every print?

Various methods to scan the top surface exist to improve the bed adhesion to prevent prints to come loose from the bed during printing: e.g. BLTouch and clones or inductive and capacitive sensors/...
5
votes
1answer
163 views

Automatic Bed Leveling (ABL) with a sensor (BLTouch, inductive, capacitive), how does it work?

A frequently discussed update to a 3D printer is the so-called leveling sensor; this sensor can be inductive, capacitive, optical or mechanical (i.e pressure or physically touching, like a BLTouch). ...
5
votes
1answer
7k views

How to wire P.I.N.D.A. v2 to an SKR V1.3 board?

I bought a BigTreeTech SKR v1.3 main board and a P.I.N.D.A v2 for my P3Steel MGN. Does anyone know to wire them together and which part in Marlin 2 do I need to change?
3
votes
1answer
58 views

Inductive Sensor Causes Print To Stop

Just added inductive sensor to my printer (MKS Gen L Board) using Marlin 1.1.9 After some tweaking it works great! The problem ...
3
votes
1answer
549 views

Hooking up an optocoupler in a 24V Machine, is a 2 kOhm resistor sufficient?

I am going to buy an inductive probe for my Creality Ender 3 to enable ABL (Automatic Bed Leveling). And now, I have one last question left on my mind: I am going to buy a Vishay Optokoppler ...
3
votes
1answer
2k views

Anet A8 with Marlin firmware: Auto Home is crashing into bed

I got things moving from the answer to a previous question. Now, since the base-video I'm following is non-English, I want the next phase fixed: Probing failed ...
2
votes
1answer
79 views

X axis doesn't lift after levelling

So, I recently installed an inductive sensor to my 3D printer for auto bed levelling and now I'm stuck on Z probe offset as it doesn't seem to do much apart from changing number is given on display ...
2
votes
1answer
1k views

Tevo Tarantula auto bed leveling config

As discussed previously on a post, Tevo tarantula Z- port burnt, I've burnt one of my Z endstops ports (I solved this issue and I'm using the Z+ port, normally). I did that trying to install an auto ...
2
votes
1answer
144 views

M12 vs M18 V5 inductive probe

I currently have my printrbot with a LJ12A3-4-Z/BX-5V Inductive Proximity Sensor ( 61mm M12 DC 5V NPN NO 300mA) That detects my aluminium bed at around 1.2 mm distance. While it works, if the ...
1
vote
1answer
427 views

How to wire an LJ18A3-8-Z/BX sensor with an optocoupler to a stock Ender 3?

I have this optocoupler. and this sensor. I want to wire them together and use them for auto bed leveling. Note, stock Ender 3 board (Creality v1) has 2 pins for its endstop, not 3, so this: won't ...
1
vote
0answers
144 views

PL-08N inductive sensor not turning off

I have one of these inductive sensors marked as PL-08N which should work within a 4-30 VDC range and trigger at 8 mm or ...
0
votes
1answer
364 views

Ender 3 ignores signal from optocoupler

Optocoupler used in conjuction with an inductive sensor on a stock Ender 3, wired like this: Except I also wired a switch to the Z endstop signal and ground. I don't know the switch pin layout so I ...
0
votes
2answers
368 views

Can I use a 12 V single channel optocoupler module in a 24 V machine?

I have a Tevo Tornado Gold 24 V. I want to use this LJ12 A3-4-Z/BX Inductive NPN NO 4 mm with 6-36 V operation current as a Z probe. I do not want to fry my machine by putting in 24&...