Copley Controls Serial Encoder Guida Utente Pagina 209

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CME 2 User Guide Homing Methods
Copley Controls 209
E.3.12: Lower Home Outside Index
Direction of Motion: Positive
Home is the first index pulse on the negative side of the negative edge of a momentary
home switch. Initial direction of motion is positive if the home switch is inactive. 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
H
H
Direction of Motion: Negative
Home is the first index pulse on the negative side of the negative edge of a momentary
home switch. Initial direction of motion is negative. If the initial motion leads away from the
home switch, the axis reverses on encountering the negative limit switch; then, if a
negative limit switch is activated before the home switch, an error is generated.
Home Switch
Index Pulse
Negative Limit
Switch
H
H
H
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