Panasonic GM1 User Manual page 382

11.2 Basic Preparations for Operation
Limit method 2 (Edge detection of limit switch)
The rising edge of the limit switch in the home return direction is detected and the motor stops.
The stopping position is set as the home position.
Home position method [Edge detection of home position (Z phase)]
The axis moves from the current value toward the direction of home return. Then, the rising
edge of the first home position (Z phase) is detected and the motor stops. The stopping position
is set as the home position.
The reference home position can be selected from the three types shown in the following table.
Type
Z-phase method 1
EXT2 method
EXT3 method
(Note 1) The reference home position differs according to the selected home return type. (Z-phase, EXT2,
EXT3)
11-20
Reference home position
Edge detection of home position (Z phase)
Edge detection of external latch input 2 (EXT2)
Edge detection of external latch input 3 (EXT3)
WUME-GM1RTXOP-01