DQ144-C Analog Lighting Wing Indicator DEIF-DQ144-C-Zhangzhou Fengyun Electrical Equipment Co., Ltd.

Supports direct connection to SIN/COS synchronous sensors (dedicated to compass bearing), supports background calibration of pointer zero point and left/right deflection angle, and the potentiometer on the rear cover can be flipped 180° to adjust the scale direction. It is an outdoor waterproof analog backlit pointer instrument designed specifically for the bridge wing of ships, suitable for open-air, high-humidity, and salt spray environments on both sides of the bridge. It is mainly used for displaying rudder angle, main engine speed, pitch, azimuth angle, and steering rate.

Description

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　　The DQ144-C is an outdoor waterproof analog backlit pointer instrument designed by DEIF of Denmark specifically for the bridge wing of ships. It is suitable for the open, high-humidity, salt spray environment of the bridge wing and is primarily used for displaying rudder angle, main engine speed, pitch, azimuth, and steering rate.

　　II. Core Hardware Specifications

　　Dimensions and Structure

　　Dial Diameter: 144mm; Overall Depth: 70mm

　　Protection Rating: IP66, with blue waterproof gaskets, resisting rain and sea splashes.

　　Cable Outlet: 2 PG9 cable glands, compatible with 5–8mm cables, gland specifications cannot be changed.

　　Dimming: Rear-mounted built-in potentiometer for local adjustment of LED backlight brightness (BRW-2 has front dimming).

　　Installation: Asymmetrical rotating bracket, can be suspended/standing, bracket hole spacing 125mm.

　　Weight: Approximately 0.25kg

　　Core Mechanism (X-Coil patented coil)

　　Accuracy: 0.5 High precision, error ±0.5% FS

　　Pointer travel: 360° full-angle deflection

　　Shock resistance: Withstands 50g marine vibration/impact, suitable for turbulent navigation

　　Backlight: Long-lasting uniform LED white light, visible day and night, supports global dimming bus linkage

　　Bus: Dual-channel CANopen (sCAN), can be connected to DEIF rudder angle system, XDi main unit, VDR navigation data recorder

　　Supports direct connection to SIN/COS synchronous sensor (dedicated to compass bearing)

　　Environmental conditions

　　Operating temperature: -40℃ ~ +85℃

　　Storage: -55 ~ +125℃, resistant to marine high and low temperatures and salt spray corrosion

　　III. Core technology principle: X-Coil patented coil

　　Built-in microprocessor controls X-type coil, supports 360° full-range pointer rotation, unlike traditional single-coil instruments;

　　Accuracy: Class 0.5 (±0.5%) FS)

　　Supports background calibration of pointer zero point and left/right deflection angle; the potentiometer on the back cover can be flipped 180° to adjust the scale direction.

　　IV. Key Features

　　1. Dedicated for Marine Outdoor Use: IP66 fully sealed housing, no exposed terminals, waterproof for long-term outdoor use; all-white scale recommended for better visibility in strong light.

　　2. Dual Communication Compatibility, Simple System Integration: Can be connected to 4–20mA/0–10V analog sensors individually, or connected to a CAN bus network; one rudder angle transmitter can simultaneously drive multiple DQ144-C, XL, and XDi instruments for unified calibration.

　　3. Adjustable Pointer Zero Point: The potentiometer on the back panel can flip the pointer zero point 180° (6 o'clock/12 o'clock mode switching), adapting to different ship installation angles.

　　4. Classification Certification: Standard configuration includes MED marine equipment certification scales and pre-certification of the entire DEIF bridge instrument system, reducing ship classification and auditing costs; custom scales are available (rudder angle ±35°, main engine RPM, propeller pitch, etc.).

　　5. Flexible Installation: Unlike the wall-mounted BRW-2, the DQ144-C features a rotatable base, allowing for direct floor mounting when there are no panel openings on the ship's side hull.

　　V. Typical Ship Application Scenarios

　　Rudder Angle Indicator (Most Commonly Used): Paired with the RTC600 rudder angle transmitter, synchronously displays rudder blade angles on both sides of the bridge.

　　Main Engine/Side Thruster Tachometer, Propeller Pitch Indicator

　　Compass Bearing, Ship Turn Rate Indicator

　　Engine Room Extension to Side Flanks: Simulated Pressure and Liquid Level Display

　　VI. Installation and Wiring Points

　　Removing the rear cover requires a T10 long-handled Torx screwdriver; remove the instrument body using the 8 fixing screws.

　　The blue sealing ring should be flatly embedded in the frame groove with the arc facing outwards; otherwise, the IP66 waterproof rating will be compromised.

　　When networking multiple instruments via CAN bus, the start and stern terminating resistors must be connected.

　　If the pointer deflection direction is inconsistent with the system, adjust the potentiometer A on the back panel to reverse it 180° to match the system scale.

　　VII. Common Supporting Systems

　　Rudder Angle System: RTC600 Transmitter → CAN Bus → DQ144-C Axle Wing Gauge + Cab XDi Digital Gauge;

　　Power Monitoring: Main Engine Speed Sensor → 4–20mA Analog Signal → DQ144-C Local Display on Both Wings

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