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PRO-NDC-1E Intelligent NMEA 0183 Multiplexer


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The PRO-NDC-1E is more than just an NMEA 0183 Multiplexer…

Rugged, Robust, Type Approved Multiplexer with powerful, advanced features enable baud rate adjustments, auto-switching and sentence level filtering.

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5 OPTO-Isolated NMEA 0183 inputs
2 ISO-Drive NMEA 0183 outputs
Dedicated bi-directional Serial port (fully isolated utilising ISO-Drive technology)
Serial port can be used as additional input / output
Ethernet port supports direct and network connection
NMEA 0183 streaming via Ethernet
Configurable input and output baud rates
Allows Data combining and rate conversion
2 independent Autoswitch virtual inputs with priority
Isolation to battery supply
Diagnostic LED’s
Optional DIN rail mount
Type Approved
Quick and easy to install
Configuration using standard web browser, no PC operating system compatibility issues
Advanced features solve NMEA 0183 data routing problems
Fully isolated with ISO-Drive technology for peace of mind
Easy firmware updates make the device future-proof
Type Approved (RINA)
Power Supply
Input supply voltage 9 to 35 V DC
Input supply current 150mA max @ 12V DC (all outputs @ full drive into 100 ohm loads)
Input protection Continuous reverse polarity, transient overvoltage and ESD protection
Power indicator LED, Blue – indicates unit is functioning correctly
Input Supply connector Pluggable 2-way screw terminal, 5.08mm pitch (12 to 30 AWG)
NMEA 0183 Port – Listener & Talker
Number of Listener / Input Ports 5 isolated NMEA 0183 Listeners
Number of Talker / Output Ports 2 isolated NMEA 0183 Talkers
Compatibility Fully NMEA 0183, RS422 & RS232 compatible. RS485 Listener compatible
Speed / baud rate 4800 to 38400 bps
Talker Output Voltage Drive >= 2.2V (differential) into 100 ohm
Talker Output Current Drive 20 mA maximum per output
Talker Output Protection Short circuit and ESD
Talker Data Indicator LED, Orange (Flashes with data rate)
Listener Input Voltage Tolerance -15 V to +15 V continuous, -35 V to +35 V short term (< 1 second)
Listener Input Protection Current limited, overdrive protection to 40 VDC and ESD protection
Listener Data Indicator LED, Green (Flashes with data rate)
Connectors Pluggable 2/3 way screw terminals, 5.08mm pitch (12 to 30 AWG)
Serial Port
Compatibility RS422 & RS232 compatible. RS485 Listener compatible
Speed / baud rate 115200 bps
Output voltage drive >= 2.1V (differential) into 100 ohm
Output current drive 20 mA max
Output protection Short circuit and ESD
Input voltage tolerance -15 V to +15 V continuous, -35 V to +35 V short term (< 1 second)
Input protection Current limited, overdrive protection to 40 VDC and ESD protection
Data Indicators LED’s: Green = Receive, Orange = Transmit
Connectors Pluggable 3-way screw terminals, 5.08mm pitch (12 to 30 AWG)
Ethernet Port
Host interface 10/100BaseT, automatic polarity detection
Supported protocols TCP/IP for configuration and firmware updating
TCP/IP and UDP for NMEA 0183 comms
Connector RJ45
Indicators Green – Link, Yellow – 100 Mbps
NMEA 0183 Listener Uses IsoDriveTM, Hi-Pot tested to 1000V
NMEA 0183 Talker Uses IsoDriveTM, Hi-Pot tested to 1000V
Serial Port Uses IsoDriveTM, Hi-Pot tested to 1000V
Ethernet Port 2kv for 60s
Housing Material 316 Stainless Steel
Dimensions 139mm (W) x 98mm (H) x 26mm (D)
Weight 360g
Mounting Bulkhead mount or DIN rail mount (DIN kit 1)
Approvals and Certifications
EMC IEC 60945:2002-08, DNVGL-CG-0339:2019 & IACS UR E10 Rev7
Compass Safe Distance 300mm
Type Approval Certificate RINA
Operating Temperature -25 to +70°C
Storage Temperature -40 to +85°C
Relative Humidity (RH) 95% @ 55°C
Environmental Protection IP40
Guarantee 3 years (5 Years if registered)
Feature NDC-4 PRO-NDC-1E
Inputs (inc. serial port) 5 6
Outputs (inc. serial port) 2 3
Dedicated serial port Yes
Ethernet port Yes
Config tool Windows only Any popular web browser on any OS
Basic data filtering Yes Yes
Advanced data routing Yes
Safe USB connection while powered via a battery Yes
Pluggable connectors (quicker and easier installation) Yes
Weather sealed IP66 IP40
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