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7.4 FAQs
Q7: Can FR-2165DS be connected to the BNWAS?
A7: No, FR-21x5 and FR-28x5 series radar does not output the operator fitness signal.
Only FAR-2xx7 series radar outputs the operator fitness signal.
Q8: When the BNWAS is installed on board an existing ship, is it necessary to connect
to the VDR and the autopilot?
A8: The NK does not define these connections, but it is recommended to connect them
as below.
Autopilot: Connect the autopilot to the BNWAS. If the autopilot does not output the
contact closure mode signal, consult the ship classification societies.
IA
L
VDR: Connect the VDR to the BNWAS if possible. Both ALR sentence and
System Failure signal are connected.
EN
T
Q9: Can the timer reset panel be installed outside the bridge?
A9: No, it must be installed in the bridge according to MSC128 (75).
NF
ID
Q10: Which terminal board is used for the cabin panel in Captain and Backup officers?
A10: The captain is always connected to TB7. It is recommended that the chief officer,
second officer, and third officer are connected to TB8 to TB10 respectively so that
it is not necessary to change the officer name through menu.
Q11: How to connect an external alarm.
A11: A buzzer or LED is connected via a relay circuit as shown in Fig.7.6. The resister
in the relay circuit is selected so that the output current from the BR-520 is 10 mA
or less.
CO
ALM Output Circuit
Relay Circuit
BR-520
Relay
10mA MAX.
Buzzer or
ALM
LED
Fig.7.6 Connecting external buzzer
7-6
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