Mitsubishi Electric MELSEC Q Series Programming Manual page 392

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
Proximity dog method
Count method
Data set method
Dog cradle method
Stopper method
Limit switch combined method
Scale home position signal
detection method
Dogless home position signal
reference method
Driver home position return method
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 setting position, the home position is rectified
to the optimal position. In addition, by using the home position shift function it is
not necessary to consider the zero point when mounting the servo motor.
(2) After proximity dog ON, if the travel value including home position shift amount
exceeds the range of "-2147483648 to 2147483647" [ 10
10 -5 degree, pulse], "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 method 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
Proximity dog method
Count method
Data set method
Dog cradle method
Stopper method
Limit switch combined method
Scale home position signal
detection method
Dogless home position signal
reference method
Driver home position return method
Valid/invalid of home position shift amount
Valid/invalid of torque limit value at the
6 - 205
: Valid, : Invalid
µ m, 10
-1
creep speed
: Valid, : Invalid
inch,
-5