Brochure Door control units
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Brochure Door control units - 1

Mors Smitt Railway Technology Door control units Gate to safety

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Brochure Door control units - 2

Mors Smitt Railway Technology Door control units M° SMITT ^Mors Smitt

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Brochure Door control units - 3

Mors Smitt, well known for its railway components, has expanded its wide range of railway products with door control units for all types of rolling stock. The door control units (DCU) are developed in close cooperation with the Dutch company Wilee Techniek. Safety Through the last decades door systems have developed tremendously. Safety and reliability are the key points in this development. Accurate controlling and checking of this safety related component are vital for reliable operation, making the door control unit the ‘brain’ of the door system. Door control units control door opening...

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Brochure Door control units - 4

System overview Door Control Unit Control signals • Side selection left / right platform • Central door open command • Central door close command • Forced close command • Speed signal Door signals • Local control signals - Pushbutton - Handicap pushbutton • Local feedback signals - Audio warning - Light warning Feedback • Interlock / Green loop signal • Drag detection loop • Status DCU over communication bus • Emergency lever used Obstruction detection through • Photo cell, feedback on obstruction of door • Motor obstruction (based on motor current) • Sensitive edge, detection of; -...

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Principle A door control unit is the nerve centre of a door system, the door is controlled and monitored to ensure correct functioning whilst ensuring maximum safety. To ensure the function and safety the door control unit is continuously checking its own system and components. At each door cycle critical components are checked: • Open and close switches • Encoder signals • Current measuring system • Safety relay in motor driver • H-bridge transistors • Calibration of open position The design build-up and control allows: • No single point failures • Easy function modifications by uploading...

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Design safety Design approach No single point failures Presence of hard wired signals to enable motor drive Forced door close when doors open on route Obstruction detection Drag detection Guarding maximum force on passengers Door closed proving loop (Interlock / Green loop) Door system diagnostics The door control unit ensures a high system safety level for the passengers. Redundant obstruction detection through: • Deviation in expected door speed. • Deviation in motor current - Motor current is continuously guarded, resulting in max. impact power regardless of door position - Different...

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Brochure Door control units - 7

The SDC-2 type door controller is a single door controller design, which is also capable of driving a step besides the door system. The SDC-2 is the foundation of the SDC-3 platform. For this North American project the system supply voltage of the controller was adapted for 36 VDC. The SDC-4P controller platform is a pneumatic door controller specifically designed for the requirements of the Dutch railroads VIRM train fleet. The SDC-4P is a form, fit & function replacement for the old controller frame, specifically designed for the VIRM-4 series. To be compatible with the system in the...

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Brochure Door control units - 8

Eurotram refurbishment Victoria Line upgrade The TDC-4 is a triple door controller of the 4th generation. The TDC-4 can control three doors simultaneously. For the VLU project in London each TDC-4 controls one set of double doors and one single door. For the Eurotram I refurbishment project in France, the original door control panels were replaced by state-ofthe-art fully electronic SDC-3 units with extensive diagnostic capabilities. Upgrade to the SDC-3 platform was chosen to be able to meet the latest standards; the possibility to guard the maximum obstruction forces very precisely...

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Brochure Door control units - 9

All equipment is designed, tested and manufactured in compliance with the strictest international standards and always with reliability and safety in the front of our mind

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Brochure Door control units - 10

Mors Smitt Railway Technology Door control units

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Brochure Door control units - 11

SALES OFFICES FRANCE Mors Smitt SAS Tour Rosny 2, Avenue du Genéral de Gaulle, F - 93118 Rosny-sous-Bois Cedex, France T +33 (0) 1 4812 1440 F +33 (0) 1 4855 9001 E sales@msrelais.com HONG KONG Mors Smitt Asia Ltd. # 807, Billion Trade Centre, 31 Hung To Road Kwun Tong, Kowloon, Hong Kong SAR T +852 2343 5555 F +852 2343 6555 E info@morssmitt.hk THE NETHERLANDS Mors Smitt B.V. Vrieslantlaan 6 3526 AA Utrecht, The Netherlands T +31 (0)30 288 1311 F +31 (0)30 289 8816 E sales@nieaf-smitt.nl UNITED KINGDOM Mors Smitt UK Ltd. Doulton Road, Cradley Heath West Midlands, B64 5 QB, UK T +44 (0)1384...

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