Dog Type First Z-Phase Reference Home Position Return - Mitsubishi Electric MELSERVO-J3 Series Instruction Manual

5. OPERATION

5.6.10 Dog type first Z-phase reference home position return

After the proximity dog front end is detected, the current position moves in the reverse direction at creep speed.
After this moving away from the proximity dog, the home position is determined to be where the first Z-phase
pulse is issued.
(1) Devices, parameters
Set the input devices and parameters as indicated below.
Item
Manual home position return mode
selection
Remote register-based
position/speed setting
(Only when two stations are
occupied)
Dog cradle type home position return
Home position return direction
Dog input polarity
Home position return speed
Creep speed
Home position shift distance
Home position return
acceleration/deceleration time
constants
Home position return position data
Device/Parameter used
Automatic/manual selection (RYn6)
Point table No. selection 1 to 8
(RYnA to RYnE, RY(n 2)3 to RY(n 2)5)
Position/speed specifying system selection
(RY(n 2)A)
Parameter No.PC02
Parameter No.PC03
Parameter No.PD16
Parameter No.PC04
Parameter No.PC05
Parameter No.PC06
Point table No.1
Parameter No.PC07
5 - 48
Description
Turn RYn6 ON.
RYnA to RYnE, RY(n 2)3 to
RY(n 2)5 are turned off.
Turn RY(n 2)A ON.
8: Select the dog cradle type.
Refer to section 5.6.1 (2) and select the
home position return direction.
Refer to section 5.6.1 (2) and select the
dog input polarity.
Set the speed till the dog is detected.
Set the speed after the dog is detected.
Set when the home position is moved
from the Z-phase signal position.
Use the acceleration/deceleration time
constant of point table No.1.
Set the current position at home
position return completion.