Mitsubishi Electric MELSERVO-J4 Instruction Manual page 198

5. HOW TO USE THE PROGRAM
(2) Parameters for home position return
To perform the home position return, set the DOG (Proximity dog) polarity selection of [Pr. PT04 Home
position return type] and [Pr. PT29 Function selection T-3] as shown below.
(a) Select a home position return type.
(b) Select the starting direction for the home position return. Setting "0" starts the home position return
in the address increasing direction from the current position. Setting "1" starts the home position
return in the address decreasing direction from the current position.
(c) Select a polarity to detect a proximity dog. Setting "0" detects a proximity dog when DOG (Proximity
dog) is switched off. Setting "1" detects a proximity dog when DOG (Proximity dog) is switched on.
(3) Program
Select a program containing a "ZRT" command, which performs the home position return.
[Pr. PT04]
0 0
How to execute home position return
0: Dog type (rear end detection, Z-phase reference)
1: Count type (front end detection, Z-phase reference)
2: Data set type
3: Stopper type
4: Home position ignorance (servo-on position as home position)
5: Dog type (rear end detection, rear end reference)
6: Count type (front end detection, front end reference)
7: Dog cradle type
8: Dog type (front end detection, Z-phase reference)
9: Dog type (front end detection, front end reference)
A: Dogless type (Z-phase reference)
Home position return direction
0: Address increasing direction
1: Address decreasing direction
[Pr. PT29]
0 0 0
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DOG (Proximity dog) polarity selection
0: Detection with off
1: Detection with on
(a)
(b)
(c)