Beam Fence

Multiplexed IR beam barriers

  • Technology : Infrared beams
  • Range : 30 m.
  • Alarm OUT: Contact relay
  • Applications: Governmental, Industrial, Residential

Midi patented bi-directional infrared beam barriers for the protection of industrial buildings, long balconies and corridors.
It is made up of two microprocessor logic circuits mounted with the SMD technique which manages up to 8 pairs of optical circuits within up to 3 meters aluminium pillars.
Optics are multiplexed, and the alarm sounds when two optics are obscured (AND function).
Maximum outdoor range 30 meters.

OPERATION

Transmitters and Receivers are crossover mounted on both pillars, allowing at least one beam to work when the other is obscured by sunlight. The installation of Beam Fence is very simple due to the automatic detection and setup of the beams, you can add additional beams to the system (BSN050HS) and the microprocessor logic automatically recognize them with no need of any setup procedure.

Codes and Technical Features

CODES BSN150HS BSN200HS BSN250HS BSN300HS
RANGE 30 m. (outdoor) - 60 m. (indoor)
PILLAR HEIGHT 1,5 m. 2,0 m. 2,5 m. 3,0 m.
MAX NUM. OF BEAMS 8
OPTICAL LENS Policarbonate Fresnel lens (18 mm diameter)
OPTICAL COMMUNICATION Bi-directional + Synchronization (by wire)
BEAM INTERRUPTION TIME 80 - 200 msec.
ALARM OUTPUT 1 Contact Relay (C/NC) + 1 Tamper Switch (C/NC)
POWER SUPPLY 12 VDC
MAXIMUM CONSUMPTION 120mA (TX + RX)
OPERATING TEMPERATURE -25° + 70°C
DIMENSIONS 50 x 35 x (H) mm (W x D x H)
HOUSING Aluminium extruded

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