FORTEZA JSC
FORTEZA FM-30(24)-BT
Please visit our internet sites:
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mounting kit on a support (MK-1):
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bracket – 1 pc
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buckle – 2 pcs
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key S8x10 – 1 pc
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protective visor and 2 self-tapping screws 3,9x19 to fasten it
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user manual – 1 pc
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package
4.2 The following components can be supplied by order:
- USB cable A-B for connection with a PC
- interface converter RS485 (RS485-Com, RS485-USB)
- software*
- mounting kit for mounting on the wall (BRACKET-120, BRACKET-350, BRACKET-500)
- power supply unit PSU-U-15-0,15
- junction box JB-15 or JB-30
- SUPPORT-2 (SUPPORT-2,5, SUPPORT-3, SUPPORT-3,5)
*The software you can download on our website
5 OPERATION
5.1 Principle of operation.
The principle of operation is based on the method of linear frequency modulation, where the
generator operating frequency is changed linearly within small range. The super-high-
frequency transmitter of the transceiver unit radiates electromagnetic oscillations in the
direction of the protected area. The electromagnetic oscillations are reflected from the goal
and surrounding objects, and get to the super-high-frequency receiver of the transceiver unit.
When an intruder moves in the detection zone, the changes in the received signal caused by
the Doppler Effect are intensified and processed according to the algorithm. If these changes
exceed the threshold value, the sensor generates an alarm.
The method of linear frequency modulation and 12 cross-cut subzones increase the sensor
interference immunity and the mean time to failure.
6 SENSOR CONSTRUCTION
6.1 The sensor construction and its installation on the support are given in Fig.6.1. The
sensor construction is the following: the monoblock placed in the dust- and splashproof
enclosure. The bearing structure is base 4. On base 4 there are the microstrip antenna and the
signal processing board, protected with the radio transparent cover 5. There are two bores in
the lower part of cover 5 to prevent condensation inside the unit. It is necessary to take off
