Videotec MICRODEC485, Руководство по эксплуатации

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Page 6 MICRODEC485 9951
Connection of the Pan & Tilt motor cables, of the communication channel zoom lenses and of
the power supply
ATTENTION:
Before carrying out the following operations, make sure that the control tension of the Pan & Tilt
motor and the zoom lenses used are of “polarity inversion” type.
- Connect the zoom lens and the Pan & Tilt motor according to the indications on the terminal board
- Connect the cables for 24V
Ûý
power supèply according to the indications on the terminal block
- Connect the cables for data reception according to the indications on the following scheme:
Connection RS485: max distance 1200 m.
DCS3 MICRODEC485
RS485-A White ------- RX485-A
RS485-B Yellow ------- RX485-B
Cables
In the example schemes, different lines have been used to show different types of functions:
video cable:
coaxial RG 59 or equivalent cable.
multipolar cable:
each Pan & Tilt function is enabled/desabled by a relay inside the receiver.
Define the cable final number, following these directions:
5 wires for Pan & Tilt movement: right, left, high, up, low, common
4 control wires for polarity inversion zoom lenses (zoom, focus)
Note: We recommend the use of different multipolar cables for high tension and low tension functions.
Minimum section area recommended: 0.56 mm.² (AWG 20) for high tension wires (Pan & Tilt)
0.34 mm.² (AWG 22) for low tension wires (zoom, lens, auxiliary)
cable for control digital reception/transmission:
2 wires for the control unit reception (twisted pair cable, section 0,22 mm² AWG 24) shieldless
Note: the maximum connection distance is about 1200 in Rs485.
R X 4 85 -A (W H IT E)
R X 4 85 -B (Y E L LO W )
R
X
48
5-
B
R
X
48
5-
A