Bosch REG Sentry Access Control Bedienerhandbuch PDF herunterladen (Seite 3)

INST-164 Revision 4

Page 3 of 18

Description

The Reg-Sentry is a self contained access controller that uses automatic licence plate recognition

(ALPR). It requires a single video input (we recommend only using a Bosch security systems ALPR camera)

and provides a switched relay output (NO/COM/NC) that can be utillised for access control.The switched

output operates in conjunction with a user defineable black/white list that is downloadable to the Reg-Sentry

via an ethernet (TCP/IP) connection .

Installation

The REG-SENTRY will accept an input supply of 12V-24V AC or DC and is supplied with 4m of power

cable already fitted. The input current at 24Vdc is typical 0.15A (3.6W). The recommended rating of a 12Vdc

power supply is 0.34A minimum (4.1W).

The operating temperature range for the unit is -40°C to +50°C.

Camera Installation

Please refer to the installation manual for the ALPR camera unit

Camera Positioning

The camera should be mounted in such a way that in the resulting image of a single line license plate

a horizontal line can be drawn which crosses both the left edge and the right edge of the license plate.

Figure 1 Camera view angles ok

Figure 2 Camera view angles too big

Mount the camera in such way that an ideal image of the license plate is captured when the license

plate is in the centre of in the recorded image. The camera should be focussed on the spot where the

incoming vehicle is likely to stop. It is advantageous to mark this area with a stop sign e.t.c. so that you

can ensure a good image of the vehicles licence plate.

NB The capture software requires that the license plate should take up from 25 to 33% of the image

horizontally. The licence plate should be situated at the specified operating distance of the attached ALPR

camera, please refer to the manufacturer’s installation manual.

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