Settings And Operations Of Home Return - Panasonic FP7 User Manual

10.9.3 Settings and Operations of Home Return

• The parameters for home return operations are specified in the positioning paramter setting
menus of Configuration PMX.
• When the home return start contact turns on, the pulse output starts and the home return
operation is performed.
• In the following example, the DOG1 method is selected. After the start, it moves at a target
speed and reverses at the time of near home detection. After the redetection of near home
input, it moves at a creep speed until the home position is detected.
 Operation diagram
Home return target speed
Home return creep speed
Near home switch (DOG)
Home switch
Home return start contact
Deviation counetr clear signal
BUSY flag
Home return done flag
 Operations of each contact
• The BUSY flags (X30-X33), which indicate that the motor is running, will turn on when the
home return operation starts, and they will turn off when the operation completes.
• The deviation counter clear signal will turn on after the completion of the home return
operation. The ON time is set in the axis setting area of the unit memories.
• The home return done flags (X38-X3B), which indicate the completion of home return
operation, will turn on when the current operation is completed, and they will be held until
any opeartion of the positioning control, JOG operation and home return operation starts.
The timing of turning on the flags is on the completion of the home return.
10.9 Home Return
10-43