EMRI Rudder Angle Indication System
RUDDER ANGLE INDICATION BUILT FOR PRECISE AND RELIABLE FEEDBACK
Redundant System Design
System architecture and independent amplifier channels ensure continuous, reliable rudder-angle information without single-point failures.
Clear, High-Visibility Readout
LED-illuminated indicators and wide scale options provide excellent readability across bridge, wing consoles, and steering-gear rooms.
Flexible, SOLAS-Ready System
Modular system with SOLAS-compliant enclosure options, configurable for different vessel layouts and easily integrated into larger control systems.
KEY ADVANTAGES OF EMRI RAI SYSTEM

Systems are always designed with redundancy for safe and reliable indication.
Independent amplifier channels to avoid single-point failures.
SOLAS-compliant enclosure options for bridge, steering-gear room, and wing console installations.
Customizable system design adaptable to vessel requirements.
Available as a stand-alone solution or integrated into a complete EMRI Steering Control System.
Decades of proven maritime performance, supporting safe and cost-efficient vessel operation.
STANDARD SYSTEM COMPONENTS
RIB51x/RIB71x Indicators
Compact 144×144 mm indicators with LED illumination and a clear 50–0–50° or 70–0–70° scale. Optionally housed in durable, high-protection, watertight enclosures. Suitable for wing consoles, bridge panels, and steering gear rooms, offering excellent readability.

RIF51X / RIF71X Indicators
Larger 200×200 mm indicators with LED illumination and a clear 50–0–50° or 70–0–70° scale. Optionally housed in durable, high-protection, watertight enclosures. Suitable for wing consoles, bridge panels, and steering gear rooms, offering excellent readability.

TPL Indicators
Wide-angle, overhead indicators with a 45–0–45° or 70–0–70° scale. Designed for quick interpretation from across the wheelhouse, helping operators maintain immediate awareness during manoeuvring.

SAB10 Supply & Amplifier Box
A rugged amplifier and distribution module delivering stable, calibrated output to multiple indicators. Each channel is independently processed, bolstering system reliability and ensuring precise synchronization across all displays.

Rudder Feedback Units (RFU / RFB Series)
Reliable single or dual-potentiometer feedback units designed for mechanical or belt-drive linkage. Engineered for accuracy, smooth signal output, and long service life.


OPTIONAL COMPONENTS
Enclosures
Bracket or console mountable watertight enclosures for EMRI RIB & RIF indicators.


Dimmers
Dimmer potentiometers for console mounting, including a watertight option.


INTERCONNECTION DIAGRAM

*1 Needed for displaying UKHO®ADP chart
*2 The level of pitch, roll and yaw compensation may vary depending on the performance and data conversion rate of the connected equipment.
*3 When 3 or more instruments are connected to the FMD-3100, the sensor adapter MC-3000S is required.
*4 Windows 10®, Microsoft NET Framework® v4.0, LAN pot, FURUNO CAST ADP software, UKHO® ADP software installation and a valid license are needed.
Contact us for all inquiries regarding our Rudder Angle Indication System.
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