Perfect quality - way better than generic after market MPG's
As you would expect from Fanuc, the quality is, well, perfect! It doesn't cost much more than the generic DIY MPG's but the difference in quality & feel when using it is worth any difference.
It has a standard A, B TTL interface with a 5v Supply - though it works just as well at 3.3V. It draws 20mA at 3.3V or 5V.
There are 100 clicks per 360 degrees and each click coresponds to 1 complete quad (4 edges).