User guide

CME 2 User Guide Homing Methods

Copley Controls 211

E.3.14: Upper Home Outside Index

Direction of Motion: Positive

Home is the first index pulse on the positive side of the positive edge of a momentary

home switch. Initial direction of motion is positive. If the initial motion leads away from the

home switch, the axis reverses on encountering the positive limit switch; then, if a

negative limit switch is activated before the home switch, an error is generated.

Home Switch

Index Pulse

Positive Limit

Switch

Direction of Motion: Negative

Home is the first index pulse on the positive side of the positive edge of a momentary

home switch. Initial direction of motion is negative if the home switch is inactive. If the

initial position is right of the home position, the axis reverses on encountering the home

switch.

Home Switch

Index Pulse

Negative Limit

Switch