On 03/28/2017 12:27 PM, Stuart Stevenson wrote: > Gentlemen, > Setup at Helix (my shop) > Wheezy > Linuxcnc2.7 - git pull and compile this morning > PPMC interface > Jog Wheel - Fanuc type A60-0201-5001 - 100 detents per wheel revolution John Kasunich gave out some old Fanuc MPGs at a code fest quite some years ago. There are two pots inside the back that set the level for the two photosensors. I had to turn mine all the way up to get reliable signals out of them. I think the LED in the encoder had faded. It was obvious when checking the A and B outputs that they were "spotty" and very far from 50% pulse width. So, you ought to check the A and B outputs.
The PPMC encoder card, when in single-ended input mode, has a logic threshold of 2.5 V. If the encoder output has weak pull-up, it might be helpful to put a 1K Ohm pull-up resistor to +5V on the A and B lines. Jon ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
