Data Set Type Home Position Return - Mitsubishi Electric MELSERVO-J4 Instruction Manual

5. HOW TO USE THE PROGRAM

5.4.4 Data set type home position return

To specify any position as the home position, use the data set type home position return. To shift the
position, you can use the JOG operation, the manual pulse generator operation, or others. The data set type
home position return is available at servo-on only.
(1) Device/parameter
Set input devices and parameters as shown below.
Item
Automatic operation mode of
the program method
Data set type home position
return
Home position return position
data
Program
(2) Timing chart
SON (Servo-on)
MD0 (Operation mode selection 1)
MEND (Travel completion)
PED (Position end)
CPO (Rough match)
ZP
(Home position return completion)
Forward rotation
Servo motor speed 0 r/min
Reverse rotation
ST1 (Forward rotation start)
ST2 (Reverse rotation start)
The setting value of [Pr. PT08 Home position return position data] is used as the position address at the
home position return completion.
Used device/parameter
MD0 (Operation mode selection 1)
[Pr. PT04]
[Pr. PT08]
DI1 (Program No. selection 1) to
DI7 (Program No. selection 8)
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
3 ms or shorter
ON
OFF
ON
OFF
Travel to home position
Switch on MD0.
_ _ _ 2: Select the data set type.
Set the current position at the home position return
completion.
Select a program containing a "ZRT" command,
which performs the home position return.
Execution of data set type home position return
5 - 44
Setting
Home position return
position data
5 ms or longer