Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 148

• Select the polarity where the proximity dog is detected with the DOG (Proximity dog) polarity selection of [Pr. PT29
Function selection T-3].
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.
[Pr. PT29]
0 0 0
4 STARTUP
146
4.6 Home position return mode
DOG (Proximity dog) polarity selection
0: Dog detection with off
1: Dog detection with on