User guide

Homing Methods CME 2 User Guide

212 Copley Controls

E.3.15: Upper Home Inside Index

Direction of Motion: Positive

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

home switch. Initial direction of motion is positive. If 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 negative side of the positive edge of a momentary

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

motion leads away from the home switch, the axis reverses on encountering the negative

limit; then, if a negative limit switch is activated before the home switch, an error is

generated.

Negative Limit

Switch

Home Switch

Index Pulse