Actisense NBF 1B

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Actisense NBF-1B NMEA Buffer
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Actisense MArine Electronics
NBF-1B
1 In / 5 Out NMEA Buffer

The Actisense™ NMEA Buffer module is the best solution for buffering weak NMEA sources, allowing them to drive many NMEA inputs such as chart plotter's, radar's, and/or an on-board PC / Laptop.

The NBF-1 Buffer is required wherever an NMEA source cannot provide sufficient power to drive all the equipment that requires the NMEA data it supplies. It is also ideal for safely interfacing an onboard PC to all the NMEA equipment on board a vessel.

Designed for use with all NMEA output types (RS422, RS485 and RS232), this buffer produces an amplified copy on each of its outputs. The buffer's input is fully Opto-isolated to provide electrical spike protection to the driver source, and meets the requirements of the latest NMEA 0183 specifications.

Simple to use, high quality screw connectors that are angled to allow easy access, make wiring up the NMEA Buffer a joy.

Part No.

Description (Click to view & order)

Price

pysNBF1B

Specifications

Parameter	Description	Min.	Max.	Unit
Supply voltage		8	35	V
Supply current	Supply voltage 12v (Min. load, Max. load)	6	70	mA
	Supply voltage 24v (Min. load, Max. load)	4.8	40	mA
NMEA in
Input voltage tolerance	Continuous operation	-15	+15	V
	Short term operation (< 1 sec)	-35	+35	V
Differential input voltage	Required level for data to be detected	1.8	-	V
Input current		-	2	mA
Input to output protection	Full Galvanic Opto-isolation	-	2000	V
RS485 / RS422 out	NMEA 0183 version 2-3
Output current	RS485 / RS422 compatible	15	40	mA
Differential output voltage	50 ohm load	2	-	V
RS232 out	NMEA 0183 version 1-3 & PC serial
Output current		5	10	mA
Output voltage	3k ohm load	+/-5	-	V
General
Baud rate		-	57.6	kbits/sec
Ambient temperature		-20	+70	°C

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