Connecting Power; Control Via Rs-485 Interface - Samsung SHC-735 User Manual

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Installation Procedures

Connecting Power

Since power specifications differ depending on the model, make sure to check your
model name and specifications before connecting power.
You can connect power as shown in the following figure.
For AC / DC power
• Since the power specification supports both AC and DC, connect AC 24V, 500mA
Adaptor or DC 12V, 500mA Adaptor.
When the resistance value of copper wire is at [20°C(68°F)]
Copper wire size(AWG)
#24(0.22mm
2
)
#22(0.33mm
Resistance value(Ω/m)
0.078
Voltage drop(V/m)
0.028
• As shown in the table above, voltage decreases as the wire gets longer.
Therefore use of an excessively long adaptor output line for connection to the
camera may affect the performance of the camera.
Standard voltage for camera operation : DC 12V±10%, AC 24V±10%
There may be some deviation in voltage drop depending on the type of wire and the manufacturer.
20
COLOR CCD CAMERA
2
)
#20(0.52mm
2
)
#18(0.83mm
2
)
0.050
0.030
0.018
0.018
0.011
0.006
User's Manual

Control via RS-485 Interface

The camera can be controlled by using external controllers like a Remote controller.
(RS-485 Communication)
(1) To control by PC
Connect the RS-485 control port of the camera and the serial cable through an
RS-485 converter.
Example) PC Serial Port (COM1)
Serial Cable
RS-485 Control Port
(2) To control using a DVR or System Controller
Connect the RS-485 cable (TRX+, TRX-) to the connection port of the 485 control
board that is connected to the DVR or System Controller.
485 Control Board Connection Port
(+) CONNECTION TERMINAL (TRX+)
-
(
) CONNECTION TERMINAL (TRX-)
* RS-485 Communication establishment initial value
Camera ID
BAUD RATE
Item
Initial value
1
9600
Notes
• To control the camera by constructing an additional controller, use Pelco-D
protocol or STW protocol (Samsung Techwin protocol).
COLOR CCD CAMERA
RS-485 Converter
Camera
RS-485 Control Port
485+
485-
UART MODE
PET PKT
8-NONE-1
ENABLE
21
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