INDUSTRIAL INDEXING SYSTEMS, INC. IB-11B012
MOTION CONTROL SYSTEM, MSC-250 USER'S GUIDE
AUGUST 1998 MAINTENANCE 4 - 11
f. Move the encoder shaft to find two different voltages. The greater voltage
should be no less than +2.5 VDC. The lesser voltage should be no more
than -2.5 VDC. If the readings are out of specification, replace the encoder.
6. Check the encoder connection cable for shorts or breaks in the cable.