6 SERVO MOTOR DRIVING
6.1 Homing mode (hm)
73
6
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Method 7, 8, 11, 12: Homing on home switch and index pulse
These types include the operation at stroke end detection in addition to the operation of Method 3 to Method 6. Thus, the
home position is the same as that of Method 3 to Method 6. Method 7 has the operation of the dog type last Z-phase
reference home position return. Method 8 has the operation of the dog cradle type home position return at a forward rotation
start. Method 11 and 12 are the same as Method 7 and 8 except that the starting direction is forward in Method 7 and 8, and
reverse in Method 11 and 12.
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Method 17 to 30: Homing without index pulse
Method 17 to 30 have the operation of Method 1 to Method 14; however, these types set the home position on the dog but not
on the Z-phase. The following figure shows the operation of the home position return type of Method 19 and Method 20.
Method 19 and Method 20 have the operation of Method 3 and Method 4; however, these types set the home position on the
dog but not on the Z-phase. Method 19 has the operation of the dog type front end reference home position return. Method 20
has the operation of the dog cradle type home position return; however, the stop position is on the dog but not on the Z-phase.
7
7
7
8
8
8
Index Pulse
Home Switch
Positive Limit Switch
19
20
19
Home Switch
20
