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Application Templates Appendix A
Safety Light Curtain Application 2
Application Overview
The output goes OFF when light is intercepted for the
safety light curtain and the safety limit switch turns OFF
simultaneously.
The output also goes OFF when emergency pushbut-
ton 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 (to detect
human bodies)
• Safety limit switch (to detect
hazards)
0Manual
S1
S2
S3
S5
S4
Safety limit switch turns OFF
when the robot arm goes to
the side with the worker.
E1 and E2: 24-VDC power supplies
S1: Emergency stop pushbutton
S2: Safety light curtain
S3: Safety limit switch
S4: Limit switch
S5: Reset switch
KM1 and KM2: Contactors
M: Motor
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