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4. INSTALLATION
4-25
Serial Interface
Input port (RD-A, RD-B)
Isolation Voltage: 2500 Vrms
Input Impedance: 110 ohms
Thereshold: ±0.2 V (A-B)
Output port (TD-A, TD-B)
4.11.1
Input sentences
ACK - Acknowledge alarm
2
J7
3
1
31160R̲LF1
T1
1
3
4
5
2
6
C37
0.1u
C35
0.1u
C38
0.1u
16V
C36
10u
16V
C34
10u
NOT MOUNT
CR33
NOT MOUNT
CR32
NOT MOUNT
1SS226̲TE85L̲F
CR31
NOT MOUNT
CR30
LTC1535ISW̲TRPBF
U27
16 A
15 B
17 RO2
13 Y
12 Z
18 SLO̲N
14 VCC2
11 GND2
4
GND
1
VCC
27
RE̲N
28
R0
26
DE
25
DI
3
ST2
2
ST1
FL51
1
2
3
FL52
1
2
3
NFM21CC102R1H3D
FL49
1
2
3
FL50
1
2
3
1W
R138
330
1W
R137
330
1W
R136
330
R141
10k
R139
10
R140
10
(1D2)
TXD0
(1D2)
RXD0
SN65LBC176ADR
U28
A
6
B
7
RE̲N 2
D 4
DE 3
R 1
GND
5
VCC
8
236̲406
TB20
1
2
3
6
5
4
3.3V
5V
5V
5V
5V
5V
VCC2
5V
VCC2
CR
SJPB̲L4VR
CR
SN74LVC1G08DCKR
U29
1
2
4
U29
5
3
3.3V
RD̲A
TD̲B
RD̲B
TD̲A
Z̲252
P7
Shield
Shield
VCC
GND
ISOLATION BARRIER
$**ACK,xxx,*hh<CR><LF>
-xxx: Unique alarm number (identifier) at alarm source
Alarm mode: [Legacy]
010: Communication failure
011: Power failure AC
012: Power failure DC
Alarm mode: [AlertI/F1]
Null: routine transmission from AMS
001: Power failure DC
002: Power failure AC
250: Malfunction
Содержание BR-500
Страница 1: ...BRIDGE NAVIGATIONAL WATCH ALARM SYSTEM BNWAS BR 500 OPERATOR S MANUAL www furuno com Model ...
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