Datasheet

G9SX-NS
28
Application Examples
Example 1: Connection with D40A
Note: The PL evaluation result on this connection example applies to safety functions related to the D40A Non-Contact Door Switch. The above
PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming the usage
conditions.
● Application Overview
• The power supply to the motor M is turned OFF immediately when the emergency stop switch S1 is pressed.
• The power supply to the motor M is turned OFF immediately when the S2 detects that the guard is opened.
• The power supply to the motor M is kept OFF until the reset switch S3 is pressed while the guard is closed and the emergency stop switch S1
is released.
Highest achievable
PL/safety category
Model Stop category Reset
PLd/3 equivalent
Emergency Stop Switch A165E/A22E
Non-contact Door Switch D40A
Non-contact Door Switch Controller G9SX-NSA222-T03-@
0 Manual
M
OFF
AND
NC
G9SX-NSA222-T03-@
Control circuit
KM2
KM1
+24 V
NCNC
Guard
Black
Brown
White
blue
NC
S3
S2
+24 V
Feedback Loop
+24 V
PLC etc.
X2X1L1S54S44A2
A1
S24S14
T11 T12 T21 T22 T31 T32 T33 T41 T42Y1 D1 D2 D3 D4
Non-contact Door Switch
Actuator
KM2KM1
KM1
KM2
S1
Emergency
Stop Switch
Emergency stop
switch operation
Emergency stop switch S1
KM1, KM2 N.O. contact
G9SX-NSA S14, S24
Rotation of motor M
Reset switch S3
Non-contact Door Switch S2
Guard closesGuard opens
Timing chart
S1: Emergency Stop Switch
S2:
Non-contact Door Switch (D40A)
S3: Reset Switch
KM1, KM2: Magnetic contactor
M: Motor
Note: For details on Non-contact Door Switch wiring, refer to page 19 or to the Instruction Sheet.