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6 POSITIONING CONTROL
(d) Valid/invalid of the setting value for home position shift amount by the home
position return method is shown below.
Home position return
methods
Valid/invalid of home position shift
amount
Proximity dog type
Count type
Data set type
Dog cradle type
Stopper type
Limit switch combined type
: Valid, : Invalid
POINT
(1) Home position shift function is used to rectify a home position stopped by the
home position return. When there are physical restrictions in the home position
by the relation of a proximity dog installation position, the home position is
rectified to the optimal position. Also, by using the home position shift function,
it is not necessary to care the zero point for an installation of servomotor.
(2) After proximity dog ON, if the travel value including home position shift amount
exceeds the range of “-2147483648 to 2147483647” [
10
-1
µ
m,
10
-5
inch,
10
-5
degree, PLS], “travel value after proximity dog ON” of monitor register is
not set correctly.
(4) Torque limit value at the creep speed
(a) Torque limit value at the creep speed (on press) is set in the case of using
the pressed position as the home position by the home position return of
stopper type 1, 2.
(b) Valid/invalid of the torque limit value at the creep speed by the home
position return method is shown below.
Home position return
methods
Valid/invalid of torque limit value at the
creep speed
Proximity dog type
Count type
Data set type
Dog cradle type
Stopper type
Limit switch combined type
: Valid, : Invalid