bolid S2000M 설치 매뉴얼 - 페이지 4
{카테고리_이름} bolid S2000M에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. bolid S2000M 10 페이지. Fire and intrusion monitoring and control panel
페이지 인쇄4.1.5 If devices connected to the RS485 interface are powered from different power
supplies, please integrate them into 0V circuits (see Fig. 4). As in integrating wire, it is
recommended using a free conductor or pair in RS485 cable. Using an ungrounded cable
screen (if available) for 0V circuit is also acceptable.
A
B 0V
620
Device
Device: Orion system device connected to the S2000M panel over RS-485 (up 127) or S2000M
panel (1 only.);
1: RS-485 line (twisted pair)
2: Potential equalization conductor
3: Screen (if screened cable is used).
Figure 4.
Connecting to RS485 Interface
Panel
A
B
0V
Device
A
∞
B
0V
Panel – S2000M Panel
Device – Device of Orion security system;
PI – RS485 Interface Converter/Repeater w/ galvanic isolation (S2000-PI);
Figure 5.
RS485 Extension Using Interface Converter
4
RS-485 Line (no more than 3,000m)
A
B 0V
∞
Device
PI
isolated
A
A
620 620
B
B
GND
0V
Device
Device
A
A
∞
∞
B
B
0V
0V
1
2
PI
A
620 620
B
GND
Device
A
∞
B
0V
A
B 0V
3
620
Device
isolated
A
B
0V
Device
A
∞
B
0V
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Device
A
B
0V