GLAST/LAT > DAQ and FSW > FSW

FSW Requirement 5.3.12.3 (prev, next)

Req. 5.3.12.3: "TKR Trigger Check"

Upon receipt of the appropriate command, the FSW shall perform a trigger check as defined below: * Loop through one channel per GTRC. * Inject large pulse (DAC~63) 10 times at low threshold (DAC~10); issue at least one trigger. * Failed channel information should be forwarded to the spacecraft for delivery to the ground.

Basis (help)

[1] (3.1.3.2.2), [4] (5.4.14)

    1: "Mission System Spec." (NASA 433-SPEC-0001)

      3.1.3.2.2: "Calibration"

      The GLAST system shall perform calibration observations as required during the course of the mission.

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

      5.4.14: "Calibration"

      The dataflow system shall provide commands to calibrate and readout the sub-systems.

Context (help)

Test(s)

    014: LAT Diagnostic and Calibration Modes

    This test shall verify that the SIU FSW properly transitions to Diagnostic and Calibration Modes upon command, then properly executes the requested diagnostic and calibration algorithms.