Simrad RI-50 Radar Power Supply, For HALO 2000/3000 Radars, 12/24V

Overview

The Simrad 000-15757-001 is the RI-50 radar interface and power module for Simrad HALO 2000 and HALO 3000 series open array radars, taking 12 V or 24 V DC and supplying the pedestal with 50 V DC (nominal) when the radar is transmitting. It accepts 12 V input from 10.8 to 15.6 V DC, and 24 V input from 20 to 31.2 V DC at the RI-50 terminals.

It also handles the radar network connection, so radar control and returns travel over Ethernet. The module uses the Navico yellow 5-pin Ethernet style at the radar end, with an adapter that lets you interface from a standard RJ45 connection.

For commissioning and troubleshooting, the front panel has LED indicators for power, fault, status, and Ethernet activity. The housing is rated IPX5 for wet marine environments, which suits typical mounting in a console, electronics bay, or technical locker where it stays out of standing water.

Key features

• Compatible with Simrad HALO 2000 and HALO 3000 series open array radar systems
• 12/24 V DC input support with defined limits: 10.8 to 15.6 V (12 V) and 20 to 31.2 V (24 V)
• Generates 50 V DC (nominal) to the radar pedestal during transmit
• Ethernet-based radar connection for data and control, with LED for link and traffic
• Adapter included to interface between RJ45 Ethernet and Navico yellow 5-pin Ethernet style
• Front LED indicators for power, fault, status, and Ethernet to speed up dockside diagnostics
• IPX5-rated enclosure for exposed marine installations

What's included

• RI-50 radar interface and power module
• Ethernet cable, 1.8 m (6.0 ft)
• Ethernet adapter cable, RJ45 male to 5-pin female (Navico yellow), 150 mm (5.9 in)

Compatibility and fit

This module is used with HALO 2000 and HALO 3000 series systems. Pedestals built for older RI-12 interface modules are not compatible with an RI-50, so confirm the radar series before swapping hardware.

Installation and setup

Plan the mounting location so the pedestal interconnect and Ethernet leads can be routed without tight bends and so the heatsink area can shed heat. IPX5 covers spray and washdowns, but the unit should be mounted above bilge level and away from places that can flood.

Set the 12/24 V selection correctly before applying power, and verify the supply remains within the stated input limits at the RI-50 terminals. During startup, the status LEDs help confirm that power, pedestal output, and network communications are behaving normally.

Electrical and network integration

The RI-50 sits between your DC distribution and the radar pedestal, so it should be fed from a dedicated, properly protected circuit sized for the radar installation. Use marine-grade wiring and secure terminations to avoid voltage drop at the interface module.

Radar video and control are carried over Ethernet. The included RJ45-to-Navico-yellow adapter supports connection to a compatible multifunction display or through an Ethernet switch. For functions that depend on position and heading on board, those sensors typically feed the display over NMEA 2000 and the display passes the data to the radar over Ethernet.

On-board use

This is a good match for boats running HALO 2000 or HALO 3000 open array radar on 12 V or 24 V systems where you want a single interface box that handles the power conversion and gives clear status feedback when you are commissioning the radar or chasing an intermittent power or network issue.

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