Yaskawa Large Capacity Sigma II Series - Manual (Page 81)

4.1 Settings According to Device Characteristics
4-5
4
4.1.2 Setting the Overtravel Limit Function
The overtravel limit function forces movable equipment parts to stop if they exceed the
allowable range of motion.
„ Using the Overtravel Function
To use the overtravel function, connect the overtravel limit switch input signal terminals
shown below to the correct pins of the SERVOPACK CN1 connector.
Connect limit switches as shown below to prevent damage to the devices during linear
motion.
Drive status with an input signal ON or OFF is shown in the following table.
→ Input P-OT CN1-42 Forward Run Prohibited
(Forward Overtravel) Speed/Torque
Control,
Position Control
→ Input N-OT CN1-43 Reverse Run Prohibited
( Reverse Overtravel) Speed/Torque
Control,
Position Control
P-OT CN1-42 at low level
when ON Forward rotation allowed. Normal operation status.
CN1-42 at high level
when OFF Forward run prohibited (reverse rotation allowed).
N-OT CN1-43 at low level
when ON Reverse rotation allowed. Normal operation status.
CN1-43 at high level
when OFF Reverse run prohibited (forward rotation allowed).
Forward rotation end Reverse rotation end
Limit
switch
Servomotor
SERVOPACK
CN1-42
CN1-43
N-OT
P-OT
Limit
switch