Introduction to WARTSILA PAAE065774
PAAE065774 Product Overview
The WARTSILA PAAE065774 is a high-reliability intelligent control module, specifically engineered for Wärtsilä’s Valve Remote Control System (VRCS)—a core component in marine automation for cruise ships, merchant vessels, and offshore platforms. As a dedicated digital valve control unit (VCU), it serves as the “execution core” for electro-hydraulic actuated valves, translating commands from the Integrated Automation System (IAS) into precise valve opening/closing actions, while feeding back real-time status data (e.g., valve position, operation status) for centralized monitoring. A standout advantage is its redundant design, featuring dual 24V DC power supplies and redundant RS-485 communication buses with the IAS—ensuring uninterrupted operation even in case of single-point failures, which is critical for emergency shutdown (ESD) systems and fuel supply control valves.
PAAE065774 Technical Specifications
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Product Model: PAAE065774
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Product Type: Intelligent Valve Control Module (VCU) for Marine VRCS
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Core Functions: Valve opening/closing control, real-time status feedback, self-diagnosis, ESD signal response, local/remote control switching
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Compatible Systems: WARTSILA Valve Remote Control System (VRCS); WARTSILA Integrated Automation System (IAS); WARTSILA WECS 2000 Engine Control System
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Control Performance: Valve position control accuracy ±1% of full stroke; Response time ≤100ms for command signals; Supports 0-100% stroke adjustment
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Input Specifications: 2× digital command inputs (open/close); 1× ESD signal input (dry contact); 2× position feedback inputs (4-20mA)
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Output Specifications: 2× relay outputs (5A/250V AC) for actuator control; 1× analog output (4-20mA) for position feedback to IAS
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Communication Capability: Redundant RS-485 communication bus; Supports Modbus RTU protocol; Data transmission rate 9600-115200 bps (configurable)
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Power Supply: Redundant 24V DC input (18-30V DC); Power consumption ≤5W per module
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Protection Features: Overvoltage protection (30V DC); Short-circuit protection (output channels); ESD protection (±15kV contact); Reverse polarity protection
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Local Operation: 3 tactile buttons (Local/Remote, Open, Close); LED status indicators (power, control mode, valve position, faults)
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Operating Environment: Temperature -20°C to +60°C; Humidity 5-95% (non-condensing); Vibration resistance 10g (10-2000Hz); IP20 (panel-mounted), IP54 (with enclosure)
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Mechanical Dimensions: 80mm (W) × 120mm (H) × 40mm (D); DIN rail mount or motherboard mount; Weight ~0.2kg
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Certifications: DNV GL, ABS, LR marine certifications; CE, IEC 60945 compliant
Recommended WARTSILA Products
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WARTSILA E-ACT-MB: Motherboard supporting up to 8 PAAE065774 modules, enabling centralized control of multi-valve systems in cruise ships.
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WARTSILA WECS 2000: Engine control system that integrates PAAE065774 for fuel valve regulation in marine diesel engines.
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WARTSILA Smart-PMD: Portable maintenance device, wirelessly controlling PAAE065774-equipped valves during on-board maintenance.
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WARTSILA UNIC: Unified engine control system, using PAAE065774 to manage cooling water valve operations for retrofitted engines.
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WARTSILA ESD-100: Emergency shutdown module, sending priority signals to PAAE065774 for rapid valve closure in offshore platforms.
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WARTSILA SWO IS: Power plant management software, collecting PAAE065774’s status data for onshore remote monitoring.
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WARTSILA PAAE065775: High-temperature variant of PAAE065774, designed for valve control in exhaust gas systems of marine engines.
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WARTSILA LDU: Local display unit, showing real-time valve position and fault data from PAAE065774 in the engine control room.
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