Mitsubishi Electric MELSERVO MR-J3-xT Instruction Manual page 189

5. STARTUP
(3) Timing chart
Automatic/manual selection
(RYn0)
Selected point table No.
Forward rotation start
(RYn1)
Reverse rotation start
(RYn2)
Forward
Servo motor speed
rotation
0r/min
Z-phase
Proximity dog (DOG)
Rough match (RXn2)
Movement finish (RXnC)
Home position return
completion (ZP)
The parameter No.PC07 (home position return position data) setting value is the positioning address after
the home position return is completed.
(4) Adjustment
In dog type home position return, adjust to ensure that the Z-phase signal is generated during dog
detection. Locate the rear end of the proximity dog (DOG) at approximately the center of two consecutive Z-
phase signals.
The position where the Z-phase signal is generated can be monitored in "Within one-revolution position" of
"Status display" of the MR Configurator or the parameter unit.
Servo motor Z
phase
Proximity dog
ON
(DOG) OF
ON
OFF
ON
6ms or more
OFF
ON
OFF
Point table No. 1
Home position return
Acceleration time
speed Parameter No. PC04
constant
3ms or less
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
0 131072 0
Proximity
dog
0
Point table No. 1
Deceleration time constant
Creep speed
Parameter No. PC05
td
Proximity dog
5 - 33
Home position shift
distance Parameter No. PC06
Home position
Home position address
Parameter No. PC07