FLAO Interface Control Document

Presented by A. Riccardi

S. Esposito, A. Tozzi, A. Riccardi, R. Biasi, D. Gallieni

FLAO system external review, Florence, 30/31 March 2009

ICD structure

• Described interfaces for W@LBT and LBT672:– Mechanical– Optical– Cooling– Electrical power and signals– Network– Real time communication

• SW interfaces in a different document

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Overview of connections

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LBT672:M2 unit in Hub

LBT672:Spider-arm cabinet

W@LBT: AGW unit

Overview of physical connections

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Power lines (120VAC, UPS assisted, from tel.)Power lines (208VAC, from telescope)Power lines (48VDC, internal)Gbit ethernet (optical fiber)Fast comm link (optical)I/O signals (diagnostic lines)

Cooling lines (from telescope)

W@LBT: structure

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W@LBT: 264 kg (total AGW: 684 kg)

W@LBT: Mechanical interface

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3x2 connection screws (4 M8, 2 M10)3x2 connection screws (4 M8, 2 M10)

W@LBT: Mechanical interface

FLAO system external review, Florence, 30/31 March 2009 76 connection M10 screws

2 connection M6 screws

W@LBT: Cooling interface

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LBT672: interface sectioning

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1

2

4

3

Spider-arm cabinet

M2 unit in Hub

Mirror unit:303 kgHexapod: 149 kgHub: 253 kg Tot: 708 kg

LBT672: Mechanical interfaces

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Electrical/Communication

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Electrical/Communication/Cooling

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Fiber connector (18 fibers)

Power and digital flags connector

Fluxmeter connector

Hub temperature

End of presentation

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