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

Page: 656 / 802

16 - 101
16. INDEXER POSITIONING OPERATION
(3) Stop method for forward rotation stroke end (LSP) off or reverse rotation stroke end (LSN) off
The setting of the first digit of parameter No.PD20 enables to select a stopping method of the servo motor
when the forward rotation stroke end (LSP) or reverse rotation stroke end (LSN) turns off.
Stop method for forward rotation stroke end (LSP) off or
reverse rotation stroke end (LSN) off
Parameter No.PD20
0:Sudden stop (home position erased)
1:Slow stop (home position erased)
2:Slow stop (Setting contents is the same as for “1”.)
3:Sudden stop (Setting contents is the same as for “0”.)
Setting
value of
parameter
No.PD20
Operation status
Remarks
When rotating at constant speed When decelerating to stop
0
(Initial
value)
3
With S-pattern
acceleration/deceleration
Without S-pattern
acceleration/deceleration
LSP
or
LSN
Servo motor
speed
0r/min
ON
OFF
LSP
or
LSN
Servo motor
speed
0r/min
ON
OFF
With S-pattern
acceleration/deceleration
Without S-pattern
acceleration/deceleration
Clears droop pulses
and stops.
Erases the home
position.
A difference occurs
between the command
position and the current
position.
Execute a home
position return again.
1
2
Amount of
droop pulse
LSP
or
LSN
Servo motor
speed
0r/min
ON
OFF
With S-pattern
acceleration/deceleration
Without S-pattern
acceleration/deceleration
Amount of
droop pulse
With S-pattern
acceleration/deceleration
Without S-pattern
acceleration/deceleration
LSP
or
LSN
Servo motor
speed
0r/min
ON
OFF
Moves for the amount
of droop pulse and
stops.
Erases the home
position.
A difference occurs
between the command
position and the current
position.
Execute a home
position return again.