Actisense PRO NMEA Buffer Part Number PRO-NBF-1 with 1 OPTO Input and 6 ISO-Drive Outputs

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 100 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 100


• 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 +70C


• Storage Temperature - -40 to +85C


• Maximum Relative Humidity (RH) - 95% @ 55C


• Environmental Protection - IP40


• Guarantee - 5 Years

The Actisense PRO NMEA Buffer (Part Number PRO-NBF-1) is a robust and reliable device designed to isolate and buffer NMEA 0183 data signals, ensuring consistent communication between marine navigation devices. Featuring one opto-isolated input and six ISO-Drive buffered outputs, this unit allows a single talker to safely distribute data to up to six listeners with full galvanic isolation. The isolation protects connected devices from voltage spikes and interference, making it ideal for demanding marine or industrial environments. The device's compatibility with RS-232, RS-422, and RS-485 standards simplifies integration with a wide range of equipment. The outputs automatically track the input baud rate, maintaining data integrity across different communication speeds, from 4800 to 115200 bps. The buffered signals provide sufficient drive current and voltage to ensure each listener receives high-quality data, even over long cable runs. Its construction from durable stainless steel enhances ruggedness and RF shielding, making it suitable for both commercial and recreational applications. Installation is straightforward with pluggable screw terminals and a professional DIN rail mounting system, with optional strain relief brackets available for professional cable management. LED indicators provide clear visual confirmation of power, input, and output operation, facilitating quick troubleshooting and setup. The device’s wide operating temperature range, combined with comprehensive EMC and environmental certifications, ensures reliable operation in harsh conditions. The PRO-NBF-1 is equipped with a 9 to 35V DC power supply input, with protections against reverse polarity and ESD, ensuring safe and stable operation. Certified by RINA and compliant with EN 60945 standards, this buffer is a trusted solution for marine instrumentation networks, offering both performance and peace of mind for professional installations.

Features:

• One opto-isolated input for safe signal reception

• Six ISO-Drive buffered outputs for multiple device distribution

• Outputs automatically track the input baud rate for seamless communication

• Compatible with RS-232, RS-422, and RS-485 standards

• ISO-Drive technology and opto-isolation protect devices and signal integrity

• Durable stainless steel housing provides ruggedness and RF shielding

• Easy installation with pluggable screw terminals and DIN rail mounting options

• Optional strain relief brackets for professional cable management

• LED indicators for power, input, and output status, aiding troubleshooting

• Wide power supply voltage range with reverse polarity and ESD protection

• Certified by RINA and compliant with EN 60945 standards for marine environments

• Operating temperature from -25°C to +70°C, suitable for demanding environments