ProNet Series AC Servo User's Manual
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(2)Enabling/Disabling the Overtravel Signal
A parameter can be set to disable the overtravel signal. If the parameter is set, there is no need to wire the overtravel input
signal.
Parameter Meaning
Pn000
b.□□0□ Inputs the forward rotation prohibited (P-OT) signal from
CN1-16 (factory setting).
b.□□1□ Disables the forward rotation prohibited (P-OT) signal. (Allows constant
forward rotation.)
b.□0□□ Inputs the reverse rotation prohibited (N-OT) signal from CN1-17.
(factory setting)
b.□1□□ Disables the reverse rotation prohibited (N-OT) signal. (Allows constant
reverse rotation.)
·Applicable control modes: Speed control, position control, and torque control.
·After changing these parameters, turn OFF the main circuit and control power supplies, and then turn them ON again to
enable the new settings.
·A parameter can be used to re-allocate input connector number for the P-OT and N-OT signals. Refer to 3.2.2 I/O Signal
Names and Functions.
（3）Selecting the Servomotor Stop Method
This is used to set the stop method when an overtravel(P-OT,N-OT)signal is input while the servomotor is operating.
Parameter Stop Mode
Mode After
Stopping
Meaning
Pn004
H.□□□0
Stop by dynamic
brake
Coast
Rapidlly stops the servo motor by dynamic braking(DB),
then places it into coast (power OFF) mode.
H.□□□1
Coast to a stop
Stops the servo motor in the same way as when the
servo is OFF (coast to a stop ), then places it into
coast(power OFF) mode.
H.□□□2
S-OFF
/Overtravel
Coast
Stops the servomotor by dynamic braking (DB) when
servo OFF, stops the servo motor by plug braking when
overtravel, and then places it into coast (power OFF)
mode.
H.□□□3
Makes the servomotor coast to a stop state when servo
OFF, stops the servomotor by plug braking when
overtravel, and then places it into coast (power OFF)
mode.
H.□□□4
Zero Clamp
Stops the servomotor by dynamic braking (DB) when
servo OFF, stops the servomotor by plug braking when
overtravel, and then places it into zero clamp mode.
H.□□□5
Makes the servomotor coast to a stop state when servo
OFF, stops the servomotor by plug braking when
overtravel, then places it into zero clamp mode.
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