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X axis not working correctly
#4
I am using Chinese Calipers with 1.5v systems. I have one LM339AN with an LM317T supplying the 1.5v. If a caliper is connected to the level shifter it works perfectly on the Z and Y inputs on the Launchpad. However when connected to the X input the display is erratic. I can set 0.0 on Tablet and scale then move read head and the Tablet display jumps to completely different numbers to the scale. The values do not increment perfectly as I move the read head. However if I move the read head back to 0.0 the scale and tablet agree at 0.0. If I connect to Y or Z everything is perfect with either scale on either input. I am powering down the Launchpad between changing inputs. Counts are set at 20480/inch on all inputs and scales and tablet read correctly in mm when on Y and Z. DRO settings - 2.5.10 Build 2016-08-12. Launchpad is Rev 1.5 and I have tried two different Launchpad units.
Thanks for the response
Richard

Not sure if I completely covered your query but
Level shifter his A and B, Scale 1 and 2
If 1 connected to A output to Z ok
If 1 connected to A output to X Erratic
If 1 connected to B output to Z ok
I 1 connected to B output to X erratic
Same with and 2 and Y
Richard
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Messages In This Thread
X axis not working correctly - by edeeec - 01-03-2017, 09:50 AM
RE: X axis not working correctly - by edeeec - 01-08-2017, 04:56 PM
RE: X axis not working correctly - by Yuriy - 01-10-2017, 03:27 AM
RE: X axis not working correctly - by edeeec - 01-11-2017, 09:41 AM
RE: X axis not working correctly - by edeeec - 01-28-2017, 04:15 PM
RE: X axis not working correctly - by Yuriy - 01-30-2017, 05:41 PM
RE: X axis not working correctly - by edeeec - 02-05-2017, 03:23 PM
RE: X axis not working correctly - by edeeec - 02-23-2017, 08:37 AM
RE: X axis not working correctly - by Yuriy - 02-24-2017, 03:26 PM
RE: X axis not working correctly - by edeeec - 02-25-2017, 03:08 PM
RE: X axis not working correctly - by Yuriy - 02-25-2017, 04:39 PM
RE: X axis not working correctly - by edeeec - 02-27-2017, 08:43 AM
RE: X axis not working correctly - by Yuriy - 02-27-2017, 03:25 PM
RE: X axis not working correctly - by edeeec - 03-11-2017, 06:58 PM
RE: X axis not working correctly - by edeeec - 03-22-2017, 09:53 PM
RE: X axis not working correctly - by Briney Eye - 03-22-2017, 09:59 PM
RE: X axis not working correctly - by heavyg603 - 03-26-2017, 12:59 AM
RE: X axis not working correctly - by Briney Eye - 03-26-2017, 10:58 PM
RE: X axis not working correctly - by keesk - 10-10-2017, 01:04 PM
RE: X axis not working correctly - by Philcobt - 02-26-2018, 11:26 PM
RE: X axis not working correctly - by Yuriy - 02-27-2018, 02:30 AM
RE: X axis not working correctly - by Philcobt - 02-27-2018, 04:05 PM
RE: X axis not working correctly - by qtron - 06-28-2018, 03:44 PM
RE: X axis not working correctly - by qtron - 10-29-2020, 12:27 PM
RE: X axis not working correctly - by Yuriy - 10-29-2020, 05:00 PM
RE: X axis not working correctly - by qtron - 10-30-2020, 01:02 AM

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