Mitsubishi Electric MR-JE-C, Instruction Manual

Page: 105 / 312

6. HOMING MODE
6 - 12
(3) 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.
7
7
7
8
8
8
Index Pulse
Home Switch
Positive Limit Switch
(4) 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.
19
20
19
Home Switch
20