Mitsubishi Electric MELSERVO MR-J2 C Series, Инструкция по эксплуатации

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4. OPERATION
4.4.5 Stopper type home position return
In stopper type home position return, a machine part is pressed against a stopper or the like by jog
operation, manual pulse generator operation or the like to make a home position return and that position
is defined as a home position.
(1) Signals, parameters
Set the input signals and parameters as follows:
Item Device/Parameter Used Description
Automatic/manual selection (MD0) Short MD0-SG (ON).
Point table No. selection 1 (DI0) Open DI0-SG (OFF).
Manual home position
return mode selection
Point table No. selection 2 (DI1) Open DI1-SG (OFF).
Stopper type home position
return
Parameter No.8
3 : Stopper type home position return is
selected.
Home position return
direction
Parameter No.8
Refer to Section 4.4.1 (2) and choose the home
position return direction.
Home position return speed Parameter No.9 Set the speed till contact with the stopper.
Stopper time Parameter No.44
Time from when the part makes contact with
the stopper to when home position return data
is obtained to output home position return
completion (ZP)
Stopper type home position
return torque limit
Parameter No.45
Set the servo motor torque limit value for
execution of stopper type home position return.
Home position return
acceleration time constant
Point table No.1
Use the acceleration time constant of point
table No.1.
Home position return
position data
Parameter No.42
Set the current position at home position
return completion.
(2) Timing chart
In position (INP)
Rough match
(CPO)
Home position
return completion
(ZP)
Servo motor speed
Forward rotation
start (ST1)
Reverse rotation
start (ST2)
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
5ms or less
Home position address
Parameter No. 42
ON
OFF
Automatic/manual
mode selection
(MDO)
10ms or more
Limiting
torque (TLC)
ON
OFF
Torque limit value
Stopper
Parameter No. 28
Parameter No. 45
Parameter No. 28
Point table No.1
Acceleration time constant
Home position return
speed Parameter No.9
Stopper time
Parameter No. 44
The address on completion of home position return is the value automatically set in parameter No.42
(home position return position data).
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