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Wärtsilä Valves Remote Control System - 2 Pages

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Catalogue excerpts

Electrical & Automation Valve Remote Control System Key Elements E-ACT-MB Motherboard E-ACT-MB Motherboard can hold up to 8 E-ACT-VCU cards, thus controlling up to 8 valves. Each E-ACT-MB is equipped with following connections: redundant power Supply 24Vdc, redundant communication bus RS 485 and 230Vac power supply for E-ACT power. Wartsila Valve Remote Control System (VRCS) interfaces with the IAS (Integrated Automation System), with Mimic Diagram and with Emergency Shut Down (ESD) System. E-ACT-VCU technology has been developed for both Cruise and Mercantile Vessels. This technology is suitable for controlling electro hydraulic actuated valve systems. This innovative technology and many years of successful experience enable us to provide turn-key solutions. Key Benefits • Redundant power supply • Redundant digital communication with the IAS • Hot-swappable cards • Compatible with any IAS • Easy configuration and maintenance • Self-diagnostic • Cost effective • Full monitoring of valves and actuators • All data available to the automation system • Distributed architecture over main fire zones (MVZ) E-ACT-VCU digital valve control cards Each E-ACT-VCU card controls one single valve and its feedback and interconnects with the IAS via communication cards or, optionally, directly through a Hardwire Interface. A number of LEDs on the Front Panel and others visible sideways, report the operating status of the card. Every card can be controlled locally via 3 simple push-buttons • Local/Remote pushbutton - Is used for set in control the E-ACT-VCU. This push-button enables Close and Open pushbuttons. • Close push-button - Is used for a full close command on E-ACT-VCU (if local/remote led is lit) • Open push-button - Is used for a full open command on E-ACT-VCU (if local/remote led is lit) Smart-PMD The SMART-PMD is a portable device, for maintenance purposes only, developed to operate during maintenance on WAPSS systems without cables connections. The SMART-PMD will connect wireless to VRCS cabinets under bulkhead deck, and can control all valves in cabinets installed in the same MVZ.

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Engine Control Room • 24 VDC Main missing • 24 VDC Backup missing • ESD loop failure • Valve locked • Database Error • Program CRC error • ESD disabled Warning list • Too many repositionings • Two commands from mimic • Two commands from ESD Data Available Alarm list • Two feedbacks • E-ACT Failure • Calibration Failure • No feedback • Closing fly-time • Opening fly-time • Feedback lost • Feedback over 100% • Feedback under 0% • 230 VAC missing Technical Details Power supply Consumption Operating temperature Serial interface Digital output (hardware Approvals Redundant 18-32 Vdc 5 W 0-70°C Redundant...

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