Copley Controls Serial Encoder Guida Utente Pagina 212

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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
H
H
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
H
H
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