Mitsubishi Electric Melservo-J3 Series MR-J3-B, Instruction Manual

Page: 227 / 802

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