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3.22 CONNECTING CONTACT SIGNALS TO
EXTERNAL DEVICES
This equipment has a function that outputs alarm status as contact signals.
Dry contacts are output from pins 6 and 7 of the 8-pin connector of J5.
Caution
The capacity of the output contacts is up to 1A/30V.
When a larger current/voltage is applied, install an external device with a
sufficient contact capacity such as a relay.
1) Connection
When connecting an external buzzer to this radar, connect the necessary signal line to the attached
NMEA data connector P5 (for J5) LTWBD08BFFA-LL7001 using the following diagram as the
reference.
JMA-5200MK2 side External buzzer side
(6) ALM + Dry contact output 1
(7) ALM - Dry contact output 2
Connector for GPS compass/NSK equipment (J5)
To GPS compass or NSK unit
(1) NSKTX- : Output of receiving signals from NSK+
(2) NSKTX+ : Output of receiving signals from NSK-
(3) NSKRX+ : Input of receiving signals from NSK+
(4) NSKRX- : Input of receiving signals from NSK-
(5) GND : Power GND for NSK
(6) ALM+ : Dry contact output 1
(7) ALM- : Dry contact output 2
(8) +5V : Power for NSK (+5V)
(1)
(2)
(3)
(4)
(7)
(6)
(5)
(8)
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