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5.11.2
Setting to Enable/Disable Overtravel
You can use Pn50A = n.X
n.
X (N-OT (Reverse Drive Prohibit) Signal Allocation) to enable and disable the overtravel
function.
You do not need to wire the overtravel input signals if you are not going to use the overtravel
function.
Parameter
n.0
(default setting)
Pn50A
n.8
n.
(default setting)
Pn50B
n.
You can also use Pn590 (P-OT (Forward Drive Prohibit Input) Signal Allocation) and Pn591 (N-
OT (Reverse Drive Prohibit Input) Signal Allocation) to enable and disable the overtravel func-
tion. Refer to the following sections for details.
5.19.1 Input Signal Allocations on page 5-50
11.1.2 List of Servo Parameters on page 11-3
You can allocate the P-OT and N-OT signals to other connector pins. Refer to the following
section for details.
5.19.1 Input Signal Allocations on page 5-50
5.11.3
Motor Stopping Method for Overtravel
You can set the stopping method of the Servomotor when overtravel occurs in Pn001 =
n.
XX (Motor Stopping Method for Servo OFF and Group 1 Alarms and Overtravel Stopping
Method).
Parameter
n.
(default setting)
n.
n.
n.
Pn001
n.
n.
n.
*
You cannot decelerate a Servomotor to a stop during torque control. For torque control, the Servomotor will be
stopped with the dynamic braking or coast to a stop (according to the setting of Pn001 = n.
ping Method for Servo OFF and Group 1 Alarms)), and then the Servomotor will enter a coasting state.
Refer to the following section for information on stopping methods other than those for over-
travel.
5.13.1 Stopping Method for Servo OFF on page 5-36
(P-OT (Forward Drive Prohibit) Signal Allocation) and Pn50B =
The forward overtravel function is enabled and
the P-OT (Forward Drive Prohibit Input) signal
is input from CN1-3 for axis A and CN1-9 for
axis B.
The forward overtravel function is disabled.
Forward drive is always enabled.
The reverse overtravel function is enabled and
1
the N-OT (Reverse Drive Prohibit Input) signal
is input from CN1-4 for axis A and CN1-10 for
axis B.
The forward overtravel function is disabled.
8
Reverse drive is always enabled.
Motor Stop-
ping Method *
00
Dynamic brake
01
02
Coasting
1
Deceleration
according to
setting of
2
Pn406
3
Deceleration
according to
setting of
4
Pn30A
5.11 Overtravel Function and Settings
5.11.2 Setting to Enable/Disable Overtravel
Meaning
Status after
When Enabled
Stopping
Coasting
Zero clamp
After restart
Coasting
Zero clamp
Coasting
When Enabled
Classification
After restart
Setup
Classification
Setup
X (Motor Stop-
5
5-29
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Troubleshooting
