YASKAWA Sigma-7 SGD7S Series

Parameter Meaning When Enabled Classification
Pn50A
n.1
(default
setting)
The forward overtravel
function is enabled and
the P-OT (Forward Drive
Prohibit) signal is input
from CN1-7.
After restart Setup
n.8
The forward overtravel
function is disabled. For-
ward drive is always
enabled.
Pn50B
n.2
(default
setting)
The reverse overtravel
function is enabled and
the N-OT (Reverse Drive
Prohibit) signal is input
from CN1-8.
n.8
The reverse overtravel
function is disabled.
Reverse drive is always
enabled.
You can allocate the P-OT and N-OT signals to other connector pins. Refer to the fol-
lowing section for details.
Ä Chap. 7.2.2 ‘Input Signal Allocations’ page 196
6.11.4 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, Overtravel Stop-
ping Method).
Parameter Motor Stopping
Method*
Status after
Stopping
When Ena-
bled
Classifica-
tion
Pn001
n.1
Deceleration
according to setting
of Pn406
Zero clamp After restart Setup
* 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.X (Motor Stopping 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
overtravel.
Ä Chap. 6.13.2 ‘Stopping Method for Servo OFF’ page 174
To stop the Servomotor by setting emergency stop torque, set Pn406 (Emergency Stop
Torque).
If Pn001 = n.X is set to 1 or 2, the Servomotor will be decelerated to a stop using
the torque set in Pn406 as the maximum torque.
The default setting is 800%. This setting is large enough to allow you to operate the Ser-
vomotor at the maximum torque. However, the maximum emergency stop torque that you
can actually use is the maximum torque of the Servomotor.
Stopping the Servomotor
by Setting Emergency
Stop Torque
Sigma-7 Series SERVOPACKs
Basic Functions That Require Setting before Operation
Overtravel and Related Settings > Motor Stopping Method for Overtravel
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