Mitsubishi Electric MELSERVO-J4 series, Инструкция по эксплуатации

Страница: 161 / 646

4 STARTUP
4.6 Home position return mode
159
4
Operation example of Manufacturer-specific Homing method
The following shows an operation example of the Manufacturer-specific home position return.
Method -1 and -33 (Dog type home position return)
The following figure shows the operation of Homing method -1. The operation direction of Homing method -33 is opposite to
that of Homing method -1.
*1 After the front end of the proximity dog is detected, if the distance after proximity dog is traveled without reaching the creep speed, [AL.
90] occurs. Set the travel distance after proximity dog enough for deceleration from the home position return speed to the creep speed.
• When a home position return is started from the proximity dog
• When the movement is returned at the stroke end
*1 This is not available with the software limit.
Home position return speed
Home position
shift distance
Creep speed
td
Proximity dog
*1
Home position return
position data
Deceleration time
constant
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation
Statusword bit 10
Target reached
ON
OFF
ON
OFF
Statusword bit 12
Homing attained
ON
OFF
ON
OFF
Controlword bit 4
Homing operation start
ON
OFF
Z-phase
DOG (Proximity dog)
Acceleration time
constant
3 ms or shorter
Home position
return direction
Home position return start position
After retracting to before proximity dog,
the home position return starts from here.
Servo motor speed
Reverse
rotation
0 r/min
Proximity dog
The home position return starts from here.
Home position
return direction
Home position return start position
Servo motor speed
Forward
rotation
Reverse
rotation
0 r/min
Proximity dog
Stroke end *1