ACS | C&DH | INST | PWR | RF | THERM

Attitude Control

Description of ACS trending files

• ASEON - ACS currents after transition to Initial Acq Mode. Essential Bus at 31.0 Volts.
• ASIMLOWNEG - Coil currents for open-loop negative phasing level 7. Essential Bus at 24.0 Volts.
• ASIMLOWNEGD - Coil currents for open-loop negative phasing level 7. Essential Bus at 24.0 Volts. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• ASIMLOWPOS - Coil currents for open-loop positive phasing level 7. Essential Bus at 24.0 Volts.
• ASIMLOWPOSD - Coil currents for open-loop positive phasing level 7. Essential Bus at 24.0 Volts. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• ASIMHINEG - Coil currents for open-loop negative phasing level 7. Essential Bus at 33.5 Volts.
• ASIMHINEGD - Coil currents for open-loop negative phasing level 7. Essential Bus at 33.5 Volts. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• ASIMHIPOS - Coil currents for open-loop positive phasing level 7. Essential Bus at 33.5 Volts.
• ASIMHIPOSD - Coil currents for open-loop positive phasing level 7. Essential Bus at 33.5 Volts. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• ASPINNEG - Spin coil Currents for open-loop negative phasing levels 0 - 7. Essential Bus at 31.0 Volts or battery voltage. These points are gathered at trend-up and again at trend-down.
• ASPINPOS - Spin coil currents for open-loop positive phasing levels 0 - 7. Essential Bus at 31.0 Volts or battery voltage. These points are gathered at trend-up and again at trend-down.
• APRECNEG - Precession coil currents for open-loop negative phasing levels 0 - 7. Essential Bus at 31.0 Volts or battery voltage. These points are gathered at trend-up and again at trend-down.
• APRECPOS - Precession coil currents for open-loop positive phasing levels 0 - 7. Essential Bus at 31.0 Volts or battery voltage. These points are gathered at trend-up and again at trend-down.

Command & Data Handling

Description of C&DH trending files

• CSTART - MUE/CDH subsystem startup values. Essential Bus at 31.0 Volts.
• CSTARTD - MUE/CDH subsystem values gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.

Power

Description of power trending files

• PSTART - Power subsystem startup values. Essential Bus at 31.0 Volts.
• PSTARTD - Power subsystem values gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• PSIMLOW - Spacecraft wide voltages and currents sampled at low bus voltage. Essential Bus at 24.0 volts.
• PSIMLOWD - Spacecraft wide voltages and currents sampled at low bus voltage. Essential Bus at 24.0 volts. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• PSIMHI - Spacecraft wide voltages and currents sampled at high bus voltage. Essential Bus at 33.5 volts.
• PSIMHID - Spacecraft wide voltages and currents sampled at high bus voltage. Essential Bus at 33.5 volts. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• PBATON - Battery trending points at start-up. Essential Bus at 33.5 volts, VT profile 5, battery near full charge.
• PSHUNTAL - Battery, shunt and solar array parameters when shunt bank A is dissapating 0.5 Amps. These points are only gathered when the battery is on-line.
• PSHUNTAH - Battery, shunt and solar array parameters when shunt bank A is dissapating 4.0 Amps. These points are only gathered when the battery is on-line.
• PSHUNTBL - Battery, shunt and solar array parameters when shunt bank A is dissapating 0.5 Amps. These points are only gathered when the battery is on-line.
• PSHUNTBL - Battery, shunt and solar array parameters when shunt bank A is dissapating 4.0 Amps. These points are only gathered when the battery is on-line.
• PSHUNTALD - Battery, shunt and solar array parameters when shunt bank A is dissapating 0.5 Amps. These points are only gathered when the battery is on-line. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• PSHUNTAHD - Battery, shunt and solar array parameters when shunt bank A is dissapating 4.0 Amps. These points are only gathered when the battery is on-line. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• PSHUNTBLD - Battery, shunt and solar array parameters when shunt bank A is dissapating 0.5 Amps. These points are only gathered when the battery is on-line. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• PSHUNTBLD - Battery, shunt and solar array parameters when shunt bank A is dissapating 4.0 Amps. These points are only gathered when the battery is on-line. These are gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.

RF & Communications

Description of RF trending files

• XSTART - RF subsystem startup values. Essential Bus at 31.0 Volts.
• XSTARTD - RF subsystem values gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• XON - RF subsystem parameters at transmitter turn-on. Essential bus at 31.0 Volts
• XOND - RF subsystem parameters at transmitter turn-on gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.
• XOFFTEMP - RF subsystem temperatures after 30 minute of transmitter use.

Thermal

Description of Thermal trending files

• TSTART - Thermal subsystem startup values. Essential Bus at 31.0 Volts.
• TSTARTD - Thermal subsystem values gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage.

Instrument(s)

Description of Instrument trending files

• IDPUPWRUPU - IDPU startup values. Essential Bus at 31.0 Volts. IDPU and Instrument power relays "A" on even numbered days, relays "B" on odd numbered days. Watch the sequential day convention here, behavior may appear to move from one relay to the other at the year change.
• IDPUPWRUPU - IDPU values gathered before power down (presumably at a steady state). Essential Bus at 31.0 Volts or battery voltage. IDPU and Instrument power relays "A" on even numbered days, relays "B" on odd numbered days. Watch the sequential day convention here, behavior may appear to move from one relay to the other at the year change.
• EFLDPWR - field instrument trending points. Essential Bus at 31.0 Volts.
• EFLDPWRLU - field instrument trending points at low bus voltage. Essential Bus at 24.0 Volts.
• EFLDPWRHU - field instrument trending points at high bus voltage. Essential Bus at 33.5 Volts.
• EFLDPWRLD - field instrument trending points gathered before power down (presumably at a steady state). Essential Bus at 24.0 Volts.
• EFLDPWRHD - field instrument trending points gathered before power down (presumably at a steady state). Essential Bus at 33.5 Volts.
• ESAPWR - ESA trending points. Essential Bus at 31.0 Volts.
• ESAPWRLU - ESA trending points at low bus voltage. Essential Bus at 24.0 Volts.
• ESAPWRHU - ESA trending points at high bus voltage. Essential Bus at 33.5 Volts.
• ESAPWRLD - ESA trending points at low bus voltage. Essential Bus at 24.0 Volts.
• ESAPWRHD - ESA trending points at high bus voltage. Essential Bus at 33.5 Volts.
• TEAMSPWR - TEAMS trending points. Essential Bus at 31.0 Volts.
• TEAMSPWRLU - TEAMS trending points at low bus voltage. Essential Bus at 24.0 Volts.
• TEAMSPWRHU - TEAMS trending points at high bus voltage. Essential Bus at 33.5 Volts.
• TEAMSPWRLD - TEAMS trending points gathered before power down (presumably at a steady state).. Essential Bus at 24.0 Volts.
• TEAMSPWRHD - TEAMS trending points gathered before power down (presumably at a steady state).. Essential Bus at 33.5 Volts.
• IDPUPWRLU - IDPU values after IMODECHK was run at low bus voltage. Data captured at spacecraft trend-up.
• ESAPWRLU - ESA trending points at low bus voltage
• IDPUPWR - IDPU values after proc IMODECHK was run.
• IDPUPWRLU - IDPU values after proc IMODECHK was run. Essential Bus at 24.0 Volts.
• IDPUPWRHU - IDPU values after proc IMODECHK was run. Essential Bus at 33.5 Volts.
• IDPUPWRLD - IDPU values gathered before power down (presumably at a steady state). Essential Bus at 24.0 Volts.
• IDPUPWRHD - IDPU values gathered before power down (presumably at a steady state). Essential Bus at 33.5 Volts.

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