a.NMEA device capable of listening to DBT, DPT, VHW, VLW, MTW

b.Temperature sensor (10K ohms at 77°F)

c.12VDC alarm buzzer (400mA max current draw)

WIRE COLOR FUNCTION

BLACK

GND

RED

Not connected

WHITE

NMEA Output(+)

GREEN

NMEA GROUND

GRAY

Not connected

YELLOW

Temp 2 INPUT(+)

BROWN

Not connected

BLUE

Alarm OUTPUT(+)

ORANGE

Not connected

PINK

Not connected

Figure 2.6 - The FF520 Optional Connections

2.6.0NMEA Output

The following sentences are output: DPT and DBT (Depth), VHW (Speed), VLW (Trip Log), MTW (Water Temperature), XDR (External Sensor Temperature).

2.6.1Alarm Buzzer

This connection has the capability to drive a buzzer that draws 400mA. Any 12VDC buzzer within the current draw requirements can to be connected.

2.6.2Temperature Sensor

Any thermistor type temp sensor that produces 10K ohms at 77°F can to be connected.

White, NMEA output

 

 

 

 

Green, common

 

 

NMEA

 

 

 

Device

 

 

 

 

Black, ground

 

 

 

 

 

 

 

 

 

 

 

 

 

External

 

 

 

 

 

 

Yellow, Ext. Temp sensor

 

 

Temp Sensor

 

 

 

 

 

 

 

 

 

Blue, Alarm output

12VDC

 

+

 

 

Buzzer

12V Battery

 

 

 

 

 

 

 

Figure 2.6.2 - Optional Connections

FF520

 

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Image 13
Standard Horizon Ff520 installation and operation guide Nmea Output, Alarm Buzzer, Temperature Sensor