Yaskawa SmartTrac PG Card - Manual (Page 37)

SMART TRAC PG Card
Technical Manual TM 3554-0020 Glossary of Terms
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Glossary of Terms
A device that changes one digital code to another digital code.
Inverter - A device that converts Direct Current (DC) to Alternating Current
(AC).
Sometimes called an "index pulse," a marker pulse is an encoder output that
pulses once each revolution of a rotating device. Position control often employs
marker pulses to home or zero the position.
An encoder output of two channels, one of which is 90 degrees out of phase with
the other. The phase relationship changes depending on the direction of rotation.
Providing a current path to ground.
encoder
Inverter
marker pulse
quadrature
sinks