Safety light curtain wiring steps
Feb 14, 2026
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Safety Light Curtain Working Principle
The safety light curtain forms a protective barrier through an infrared beam between the transmitter and receiver. When the beam is blocked, the device immediately triggers a safety response. This non-contact protection method is ideal for work areas requiring high-frequency access, ensuring safety without affecting work efficiency.
Detailed Wiring Steps
Power Connection: Confirm the operating voltage and connect the appropriate wire to the power terminal.
Signal Line Connection: Connect the output signal line to the corresponding interface of the control system.
Grounding: Ensure the device is reliably grounded to avoid interference.
Functional Testing: Check the indicator light status after powering on and test the blocking response.
Common Problem Troubleshooting
Indicator Light Not Illuminated: Check the power connection and fuse.
Maloperation: Adjust the installation position to avoid direct sunlight.
Response Delay: Clean the optical window and check the tightness of the wiring terminals.
Communication Abnormalities: Verify the signal line connection is correct and check the terminating resistor setting.
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