14.2 Overtravel Function
14-11
14
(2) Selecting Motor Stopping Methods for Overtravel
When using the overtravel function has been enabled, the following parameters are used to set the methods for
stopping the motor. Select the methods for stopping when the P-OT or N-OT is input during motor running.
(a) SGDH-
E or SGDS-
1
SERVOPACK
Select the stopping method and processing after stopping when the OT signal is input during motor running.
Select the stopping method and processing after stopping when the Servo turns OFF.
Parameter Contents
Setting
Item
Default
Pn001.1
Overtravel Stop Mode
0
Stops the motor according to Pn001.0 set-
ting (dynamic brake or coasting) when
overtravel is detected.
0
1
Decelerates the motor to a stop by applying
the torque specified in Pn406 (Emergency
Stop Torque) when overtravel is detected,
and then sets it to zero clamp (servolock)
mode.
2
Decelerates the motor to a stop by applying
the torque specified in Pn406 (Emergency
Stop Torque) when overtravel is detected,
and then sets it to coast (servo OFF) mode.
Parameter Contents
Setting
Item
Default
Pn001.0
Servo OFF Stop Mode
0
Stops the motor by applying dynamic
brake (DB) and then hold the DB.
0
1
Stops the motor by applying dynamic brake
(DB) and then releases the DB.
2
Makes the motor coast to a stop.
Current is not supplied to the motor and the
machine stops due to friction.
Dynamic brake
Coasting
Deceleration
Zero clamp
Servo OFF
Servo OFF
Stopping Method
After Stopping
Pn001.1 = 1 or 2
Pn001.0 = 0 or 1
Pn001.0= 2
Pn001.1 = 0
Overtravel
Stopping Method
After Stopping
Coasting
Dynamic brake
DB held
DB released
0
1
Pn001.0 = 0 or 1
Servo OFF
Pn001.0 = 2
