Furuno VR-7000 Installation Manual page 36

2. WIRING
2.1.4 Alarm Monitoring System
Connect the AMS (Alarm Monitoring System) to J310 of the DCU. The connector J310
can output/input signals shown below.
Output
• System failure
• Power failure
• Local ACK
Pin #
1 RD_H_AMS
2 RD_C_AMS
3 TD_A_AMS
4 TD_B_AMS
5 GND
6 SYS_FAIL+
7 SYS_FAIL-
8 POWER_FAIL+
9 POWER_FAIL-
10 LOCAL_ACK+
11 LOCAL_ACK-
12 REMOTE_ACK+
13 REMOTE_ACK-
14 BUZZER_STOP+
15 BUZZER_STOP-
16 NC
System failure (output)
The VR-7000 notifies the AMS that an alert has been generated. The system failure
signal is output as normally closed (NC).
Contact Rating
Voltage: Less than 32 V
Current: Less than 30 mA
System failure
ON
OFF
Normal condition
Alert occurred
2-6
Connector J310
Signal name Input/Output
Buzzer
Alert activated
ACK
Buzzer stop
Alert continued
Input
• Remote ACK
• Buzzer stop
Input
TTYCSLA-4
Output
- No connection
Output
Output
Output MPYC-12
Input
Input
- No connection
J310
6
SYS_FAIL+
7
SYS_FAIL-
500 ms
Alert stop
Buzzer
Alert activated
Another alert occurred
(2nd alert)
Cable
ACK