Appendix
A - 40
NX-series Safety Control Unit User’s Manual (Z930)
Motor M stops when emergency stop pushbutton S1 is pressed.
If either of the S3 safety doors (D40A Non-contact Door Switches) is opened, motor M will stop.
A-3-7 D40A Non-contact Door Switches
Application Overview
Safety category/PL Safety device Stop category Reset
Equivalent to 3/PLd
(Non-contact Door
Switch)
• Emergency stop pushbutton
• D40A Non-contact Door
Switch
0 Manual
Wiring
24 VDC
Black
Blue
Brown
White
Ye l l ow
S1: Emergency stop pushbutton
S2: Reset switch
S3: Non-contact door switch
KM1 and KM2: Contactors
M: Motor
Unit 2 (NX-SIH400)
Unit 3 (NX-SIH400)
Unit 4 (NX-SOD400)
KM1
KM2
S2
Si0 Si1 Si2 Si3
T0 T1 T0 T1
Si0 Si1 Si2 Si3
T0 T1 T0 T1
S3
GND
KM1 KM2
M
KM1
KM2
So0 So1 So2 So3
IOG IOG IOG IOG
S1
Std I/O
(NX-ID)