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4. OPERATION
4.4.5 Stopper type home position return
In stopper type home position return, a machine part is pressed against a stopper or the like by jog
operation, manual pulse gener ator operation or the like to make a home po sition return and that position
is defined as a home position.
(1) Signals, parameters
Set the input signals and parame ters as follows.
Item Device/Parameter used Description
Automatic/manual selection (MD0) Short MD0-SG (ON).
Point table No. selection 1 (DI0) Open DI0-SG (OFF).
Manual home position return
mode selection Point table No. selection 2 (DI1) Open DI1-SG (OFF).
Stopper type home position
return Parameter No.8 3 : Stopper type home position return is
selected.
Home position return
direction Parameter No.8 Refer to section 4.4.1 (2) and choose the home
position return direction.
Home position return speed Parameter No.9 Set the speed till contact with the stopper.
Stopper time Parameter No.44
Time from when the part makes contact with
the stopper to when home position return data is
obtained to output home position return
completion (ZP)
Stopper type home position
return torque limit Parameter No.45 Set the servo motor torque limit value for
execution of stopper type home position return.
Home position return
acceleration time constant Point table No.1 Use the acceleration time constant of point table
No.1.
Home position return
position data Parameter No.42 Use to set the current position on completion of
home position return.