Manual de instrucciones de Philips LDH 0462/00

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Philips LDH 0462/00 (VCM 6459/00T) Information Sheet
Power Connector
The camera can operate from either a 24V AC or 12V DC power supply. Connection is on an
8-pin mini-DIN socket.
AC Operation: Use pins 6 and 8.
DC Operation: Pin 5 is +12V DC. Pin 2 is GROUND.
Iris Connection
A standard iris lens (one that has a built-in video amplifier and motor drive) can be connected
to the 3-pin mini-DIN connector on the rear of the camera.
Pin 1: GND
Pin 2: Video Out
Pin 3: +12V DC
The camera also has a sta

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Iris Adjustment (Auto-iris lenses) Auto-iris lenses are usually pre-adjusted for an acceptable image under average conditions. Re- adjustment may be necessary to obtain optimum picture quality. 1. Aim the camera at a grey-scale test chart. 2. Set the ‘ALC’ variable resistor on the lens to its Average position. 3. Connect an oscilloscope to the iris control output (3-pin DIN pin 2). Adjust the setting of the ‘Level’ variable resistor until the maximum signal from the scene (peak white) reads 1 vo

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Specification This specification has been derived from various sources, principally from the specification of the similar LDH0460/00 camera. I cannot therefore guarantee that this specification is accurate, but it does give a broad indication of the LDH0462/00 camera’s performance. Power supply 12V d.c (+10%, -2% inc. ripple) 24V a.c. Power Consumption 2.1W @ 12V d.c. or 3.5W @ 24V a.c. Video Output 1Vpp, 75 Ohm (main output); 1Vpp, 10 kOhm (iris output). Sync. Standard CCIR 625 lines/50Hz 2:1 i