NASA SpaceLab Shuttle Hardware EXP- Remote Acquisition Unit by SEL For Sale
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NASA SpaceLab Shuttle Hardware EXP- Remote Acquisition Unit by SEL:
$1300.00
MSFC NASA Spacelab/Shuttle HardwareEXP-RAU POWER SUPPLYPN : 8331 15431C.I. No.: 307 004AModel DM2 SN - 78022Contract No: 331 513BMFG: SEL This was a piece of hardware from a Spacelab payload on NASA's Space Shuttle. Part of the Command and Data Management Subsystem and the Data Processing Assy, The Experiment Remote Acquisition Unit was a user interface to payload hardware and experiments on the the Spacelab Pallet. It's capabilities were controlled by software and included : 64 ON/OFF command outputs. The ON state outputs 20 mA at approximately 5 V. 128 flexible inputs arranged in blocks of 16. When acquired as discretes (one to eightblocks may be transferred as one to eight words). When acquired as 8 bit resolution analog inputs, channel pairs may be transferred as single words (single mode) or 1 to blocks of 16 channels may be transferred as 8 to 64 words (scanning mode). 4 serial output channels providing 1 to 32 NRZ-formatted words, including associated burst clock. 4 serial input channels acquiring 1 to 32 NRZ-formatted words on user request with concurrent IOU command. 4 User time clocks (UTC’s) and associated 4 pulse/s UTC resets. The clock is 1024 kHz referenced to the orbiter MTU. This item came directly from MSFC NASA in Huntsville AL. It is attested as flown on 2nd Spacelab Shuttle mission, however flown status can not be guaranteed, and no other history is known. All serial numbers and part ID numbers are present, further research is needed.
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