User`s manual

5 Parameter Setting and Functions
5.3.2 Overtravel
5-6
(2) Changing Input Signal Settings
The settings of the input signals for overtravel can be changed with the parameters below.
Note: During the overtravel state or software limit state, the servomotor is not positioned to the target position specified by
the controller. Check the current position to confirm that the axis is stopped at a safe position.
(3) Motor Stopping Method When Overtravel is Used
Set the following parameter to specify the motor stopping method when overtravel is used.
Set the deceleration rate when decelerating to a stop in PnB2B.
Parameter Meaning When Enabled
PnB0F
0
[Factory setting]
When input signal is OFF (open), forward run is prohibited (forward
overtravel).
After restart
1
When input signal is ON (close), forward run is prohibited (forward
overtravel).
2 Forward run is always prohibited (forward overtravel).
3 Forward run is always enabled. (P-OT signal is not used.)
PnB10
0
[Factory setting]
When input signal is OFF (open), reverse run is prohibited (reverse
overtravel).
1
When input signal is ON (close), reverse run is prohibited (reverse
overtravel).
2 Reverse run is always prohibited (reverse overtravel).
3 Reverse run is always enabled. (N-OT signal is not used.)
Parameter Meaning When Enabled
PnB1F
0
[Factory setting]
Stops motor by the same method as when servo is turned OFF
according to Pn001.0 setting.
After restart
1 Stops motor immediately, and then changes motor state to servo lock.
2
Decelerates motor to a stop at deceleration rate set with PnB2B, and
then changes motor state to servo lock.
PnB2B
Deceleration
Setting Range Setting Unit Factory Setting When Enabled
1 to 99999999
1000
(Reference units/min)
/ms
1000 Immediately
If the servo turns OFF due to overtravel, the servo will not turn ON even if the overtravel
is released. To turn ON the servo, turn the /S-ON signal OFF and then ON or send the
SVON serial command. If parameter PnB0E is set to 2 to keep the /S-ON signal always
ON, turn the power supply OFF and then ON again.
Overtravel
Pn001.0 = 0 or 1
Pn001.0 = 2
PnB1F = 0
Stop by
dynamic brake
Coast to a
stop
PnB1F = 1
PnB1F = 2
Emergency
stop
Decelerate to
a stop
Servo lock
Servo lock
Coast status
Coast status
After stoppingStopping Method