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Application Templates Appendix A
Safety Light Curtain Application 1
Application Overview
The output goes OFF when light is intercepted for both safety light curtain 1 (S2)
and safety light curtain 2 (S3) simultaneously.
The output also goes OFF when emergency stop pushbutton S1 is pressed.
Wiring Example
Note Refer to SECTION 2 Part Names and Specifications for the terminal arrangement.
Safety category/PL Safety device Stop category Reset
Equivalent to 4/PLe. • Emergency stop pushbutton
• Safety light curtain 1 (to
detect human bodies)
• Safety light curtain 2 (to
detect hazards)
0 Manual
S1
S2
S3
S4
E1 and E2: 24-VDC power supplies
S1: Emergency stop pushbutton
S2: Safety light curtain 1
S3: Safety light curtain 2
S4: Reset switch
KM1 and KM2: Contactors
M: Motor
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