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Application Templates Appendix A
D40A Non-Contact Switch Application
Application Overview
Motor M stops when emergency stop pushbutton S1 is pressed.
Motor M is stopped by opening the connection with the safety door (D40A No-contact Switch) at S2.
Wiring Example
Note Refer to SECTION 2 Part Names and Specifications for the terminal arrangement.
Timing Chart
Safety category/PL Safety device Stop category Reset
Equivalent to 3/PLd. • Emergency stop pushbutton
• D40A Non-contact Switch
0 Manual
E1 and E2: 24-VDC power supplies
S1: Emergency stop pushbutton
S2: D40A Non-contact Switch
S3: Reset switch
KM1and KM2: Contactors
M: Motor
More than 350 ms
More than 350 ms
More than 350 ms
Idle → Run
Reset ON
E-Stop pressed
E-Stop released
Gate close
→
Open
Gate open
→
Close
E-Stop S1
Non-contact Switch S2
Reset switch S3
KM1 and KM2
EDM feedback
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