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FSW Requirement 5.3.18.3 (prev, next)


Req. 5.3.18.3: "Post-SAA Reconfiguration"

After SAA transit, the FSW shall verify the configuration of the ACD, TKR, and CAL subsystems against their expected configuration and reconfigure, if necessary.

Basis (help)

[2] (3.2.6.6), [4] (5.5.6)

    2: "LAT Instrument - Spacecraft Interface Requirements Doc." (NASA 433-IRD-0001)

      3.2.6.6: "SAA Entry / Exit Messages"

      The SC shall notify the LAT of SAA Entry and SAA Exit. The timeliness and contents of the message shall be negotiated and documented in the SC-LAT ICD.

    4: "LAT T&DF Subsystem Spec. - Level III Spec." (LAT-SS-00019)

      5.5.6: "South Atlantic Anomaly"

      The trigger and dataflow system shall support instrument configuration, monitoring, and recovery from a mode-save for SAA transits.

Context (help)

Test(s)

    013a: Operational Modes - Safe Modes

    This test shall verify that the SIU FSW can perform the correct transition of the LAT into Safe Mode upon command, can properly execute the Safe Mode algorithms, and can perform the subsequent recovery via Engineering Mode. It shall also verify the correct response to SAA entry commands and subsequent recovery.