Electronics Forum: sensor pulse inching (Page 1 of 4)

SIEMENS S20 Y axis - correct zero pulse not found

Electronics Forum | Mon Jan 28 13:40:53 EST 2019 | liquidspacie

Hello, I'm trying to fix this error and what I've done so far I cleaned (no scratches) measuring scale and swapped cards (gantry 1 & 2) and cleaned scale reader sensor. There are no spare parts, I'm just trding to narrow down the cause. Any suggestio

CP642 Ballscrew Replacement

Electronics Forum | Wed Jun 24 08:19:59 EDT 2009 | fujiphil

Hi, Procedure how to replace the x-ballscrew of CP642. 1. Before you remove the x-motor, remember the pulse of x-axis motor just it turn ON the zero set sensor. Pulse usually at 1000pls. +/-50pls. 2. Turn Off the machine. 3. Compress the two ballsc

Problem with y-axis Yamaha84 SMT mounter

Electronics Forum | Tue Oct 25 22:50:16 EDT 2005 | KEN

What is the (initial position) ratio of pulse counts to home encoder pulse (relative to the home sensor). It should be 50% +/- 15% Run this test several times in between a warm up. I bet your numbers are all over the place. I bet you have a loos

Samsung CP40 Z height motor alarm detected Error Code 1523

Electronics Forum | Mon Jun 12 21:16:41 EDT 2017 | kahrpr

you can not just take the motor off and change it. the motors have a home pulse singnial. the motor has to be in a certian position the home pulse position when the flag hits the sensor. When you remove the motor you have to mark the motor gear when

Problem with y-axis Yamaha84 SMT mounter

Electronics Forum | Tue Oct 25 22:54:55 EDT 2005 | KEN

sorry. re-read your post. The problem is the home sensor relative to the home pulse. You're catching the wrong home pulse. a 10mm offset sounds about right for a 360 degree error. You need 50% +/- 15 % to ensure you always zero to the same phys

MPM Up2000 and SMEMA

Electronics Forum | Tue Sep 13 02:31:50 EDT 2016 | bukas

board input sensor sensitivity? maybe conveyor movement triggers it and because of that it sends pulse. conveyor moves few millimeters, how does machine act?

Fuji FCP 2 Check Servo issue

Electronics Forum | Thu Sep 16 18:25:22 EDT 2010 | slwolbert

Thanks for the response Travis. I'd think the table would inch or move if it were stuck inching keys. The table would eventually trigger one of the overtravel sensors on this ancient machine. Much Appreciated, Steve

SMEMA Conveyor into Reflow Oven? How to handle end of line signal.

Electronics Forum | Wed Dec 30 11:10:53 EST 2015 | ilavu

Tom, Mount one sensor at about 6 inch inside of the beginning of the oven conveyor and use its output as ready to accept the board signal. That 6 inch distance will give you timing and space between two boards entering in the oven. Tushar

Noob needs a little help

Electronics Forum | Thu Nov 06 09:38:57 EST 2008 | iziris

Thanks, I am extremely new to this, in fact it's my first board that I am attempting to put together. I just needed an out put that pulsed between 0v-.09v. I am using it for an oxygen sensor simulator and found this diagram. I will try that site that

Samsung CP 45 NEO, servo motors

Electronics Forum | Fri Mar 22 13:32:15 EDT 2019 | kahrpr

all the motors on the head are the same just the connecting cable are different length. the motors have a home position for the zero pulse that home position has to match when the flag passes through the homing sensor all servos have a home position

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