General To The Conduit In Tcs Video Systems; 6-Wire Operation - TCS IVW2221-015x Product Information

Video indoor station sky
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acceptable ambient temperature: -5 °C to 40 °C
input current (stand-by)
max. input current:
video module
screen diagonal
resolution
video signal input
floor input
Video 6-wire technique necessary!

General to the conduit in TCS video systems

6-wire operation

The 6-wire operation is the standard operation mode. Video operation,
where two separated masses (b und M) are used.
The conduit of the lines is defined by the structural conditions and is only
limited by length.
 Please observe when selecting the length of the lines: the loop resistance
a-b and M-P must not exceed 8 Ω (table 1).
 Loop resistance > 8 Ω: plan multiple wiring of the strands (double twisted
lines).
 optional strand or star shaped wiring
 Do not use more than 20 video indoor stations per strand. For systems
with more video indoor stations plan to use video distributors (FVY1200,
FVY1400).
 Up to 64 front-door stations (16 of them video front-door stations) and
almost an unlimited number of indoor stations can be connected within
one system polarity-free (a/b | polarity-free only in 6-wire operation). Thus
a suitable power supply and control unit is to be used.
I(a) = 0.03 mA, I(P) = 8.5 mA
I(Pmax) = 210 mA
TFT color module
8.9 cm (3.5 inch)
320 x 240 Pixel, RGB
symmetric 1 Vss FBAS,
asymmetric 1 Vss FBAS
29

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