The STS-121/ULF 1.1 mission was the maiden flight of the programmable thermostat module (PTM) system used to control the 28 V shell heaters on the multi-purpose logistics module (MPLM). These PTMs, in conjunction with a data recorder module (DRM), provide continuous closed loop temperature control and data recording of MPLM on-orbit heater operations. This Technical Memorandum discusses the hardware design, development, test, and verification (DDT&V) activities performed at the Marshall Space Flight Center as well as the operational implementation and mission performance.


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    Title :

    Programmable Thermostat Module Upgrade for the Multipurpose Logistics Module


    Contributors:

    Publication date :

    2007-05-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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