Inhaltsverzeichnis
Werbung
Verfügbare Sprachen
Verfügbare Sprachen
CONNECTION
1. A power supply of 12V DC is required.
2. Connect the power cable to the 12V DC Power
Terminal on the rear panel of the camera.
−
Resistance of copper wire [at 20°C (68°F)]
Copper wire
#24
size (AWG)
(0.22mm
2
)
Resistance
0.257
ohms/ft
Resistance
0.078
ohms/m
+
12 VDC
(10.5 V - 16 V)
#22
#20
#18
(0.33mm
2
)
(0.52mm
2
)
(0.83mm
0.165
0.099
0.059
0.050
0.030
0.018
• Calculation method of maximum cable length
between camera and power supply.
10.5V DC ≤ V
L : Cable length (meter)
R : Resistance of copper wire (ohms/meter)
V
: DC output voltage of power supply unit
A
L standard =
L minimum =
L maximum =
2
)
-8-
− (R x 0.42 x L) ≤ 16V DC
A
− 12
V
A
(meter)
0.42 x R
− 16
V
A
(meter)
0.42 x R
− 10.5
V
A
(meter)
0.42 x R
Werbung
Kapitel
Inhaltsverzeichnis
