PRO NMEA Buffer - 1 OPTO Input, 6 ISO-Drive Outputs, Serial Port, Pluggable Screw Terminals

Safely connect one Talker to six Listeners with full isolation.

The Type-approved NMEA Buffer PRO-NBF-1 Buffer isolates and buffers NMEA 0183 data, with the power to drive multiple devices.

Able to distribute up to six identical, amplified streams of data from one source, the NMEA signals are buffered to ensure that each Listener receives the data at the required voltage levels, providing consistent data quality.

Isolation of the input and outputs ensures the protection of the source Talker device and Listener devices.

The NMEA Buffer has ISO-Drive™ technology on the outputs and OPTO-isolation on the input, which enables you to connect the NMEA 0183 Buffer with complete peace of mind.

The stainless steel housing makes the device rugged, sturdy, and gives it increased durability. The metal case also acts as an RF Shield, making the device an ideal addition to commercial installations.

To make installation quick and simple, the PRO-NBF-1 features 2-part pluggable connectors that allow use of screw terminals*, and a professional DIN Rail mounting system (DIN Rail not included). The device can also be mounted directly to the bulkhead.

The optional strain relief brackets can be provided to ensure reliable professional cable management.

Helpful LEDs indicate power, input, and output operation.

Features:

One Opto-Isolated Input
Six ISO-Drive™ outputs
Outputs automatically track the input baud rate
RS-232, RS-422 and RS-485 Listener compatible
ISO-Drive separates the Listener from the Talker to protect both the PRO-NBF-1 and each connected device
Wide compatibility means simplified installation
Simple installation saves time and money and provides peace of mind
Type Approved (RINA)

Technical Specifications:

Power Supply

Input Supply Voltage - 9 to 35V DC
Input Supply Current - 150mA max @ 12V DC (all outputs @ full drive into 100Ω loads)
Input Protection - Continuous reverse polarity and ESD protection
Power Indicator - LED, Blue – Indicates unit is functioning correctly
Input Supply Connector - Pluggable 2-way screw terminal, 5.08mm pitch

NMEA 0183 Port – Listener & Talkers

Number of Listener / Input Ports - One isolated NMEA 0183 Listener
Number of Talker / Output Ports - Six isolated NMEA 0183 Talkers
Compatibility - Fully NMEA 0183, RS422 & RS232 compatible. RS-485 Listener compatible
Speed/baud rate - 4800 to 115200 bps
Talker Output Voltage drive - >= 2.2V (differential) into 100Ω
Talker Output Current drive - 20mA max.
Talker Output Protection - Short circuit and ESD
Talker Data Indicator - LED, Orange (Flashes at data rate)
Listener Input Voltage Tolerance - -15V to +15V continuous, -35V to +35V short term (<1 second)
Listener Input Protection - Current limited, overdrive protection to 40V DC, and ESD protection
Listener Data Indicator - LED, green (Flashes to indicate valid input)
Connectors - Pluggable 2/3-way screw terminals, 5.08mm pitch

Isolation

NMEA 0183 Listener - OPTO-Isolated, Hi-Pot tested to 1000V
NMEA 0183 Talker - Uses IsoDriveTM, Hi-Pot tested to 1000V

Mechanical

Housing Material - 316 Stainless Steel
Dimensions - 139mm (L) x 128mm (W) x 27mm (H)
Weight - 335g
Mounting - Bulkhead mount or DIN rail mount (DIN kit 1)

Approvals and Certifications

EMC - EN 60945:2002 (Fourth Edition – 2002), DNVGL-CG-0339:2019
Compass safe distance - 600mm
Type Approval Certificate - RINA
Operating Temperature - -25 to +70°C
Storage Temperature - -40 to +85°C
Maximum Relative Humidity (RH) - 95% @ 55°C
Environmental Protection - IP40
Guarantee - 5 Years

Specifications:

Data Interface: NMEA 0183
Box Dimensions: 2"H x 6"W x 10"L WT: 1 lbs
UPC: 5060998710546

Quick Guide (pdf)
Owner's Manual (pdf)
Brochure (pdf)

Marine Navigation & Instruments - NMEA Cables & Sensors

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