ABUS LS2120 Profiline infrared Light beam - Manual (Page 13)

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6. Laser beam for alignment
7. Switch for laser beam 5. Tamper contact
6. Contacts for measuring voltage
level
7. Screw for vertical alignment
8. Horizontal
alignment
9. Lenses
10. Laser beam for alignment
11. Switch for laser beam
5.2 Description of connectors
Transmitter (Tx): Receiver (Rx):
1/2 Voltage supply 10-30 V DC
3/4 NC Tamper output
1/2 Voltage supply 10-30 V DC
3 COM alarm contact
4 NC alarm contact
5 NO alarm contact
6/7 NC Tamper output
6. Installation
6.1 Important notes
• Remove all obstacles (plants, washing lines and other objects) between
the transmitter and the receiver.
• Avoid direct light or sunshine on the transmitter and receiver.
• Avoid installation where dirt and water can fall directly on the transmitter
and receiver.
• Install the transmitter and receiver on a stable, vibration-free surface.
• Avoid positioning so that the beams reflect on surfaces or objects.
• Reduce the recommended range if there is a high probability of mist or
similar unfavourable weather conditions.