Objectives:

This procedure checks that the instrument is still in good operational condition post landing. It will also get a background measurement at the end.

Block Name: tega_checkout.vml

Version #: R30

Configuration: Landed Operations: Surface Phase Characterization

Assumptions: TEGA can not be turned on below -50C

Gas(es) used: Calibration and Carrier Gas Tanks still sealed. Manifold will be pressurized with Mars ATM during valve checkout.

Filaments used: 0

SW Version (386): V513 SW Version (EGA): V321

Sweep and hop mode version(s): V112

Super modes and Sweep modes used: SM 1 & SM 2, Sweep Modes 37 & 38

Sequences used: 1B (& 2B), 3B (& 4B), 1A, 32A(&33A), 34A(&35A)

1) Turn TEGA ON (tega_power_on)

a) Add preheat pause as pass in duration determined by thermal environment

2) Turn EGA ON, restoring modes from EEPROM 0 (calls tega_ega_on, Restore modes Side 0)

a) EGA Transmit time 5 sec. (done within tega_ega_on)

b) Run Sweep Mode 37 dark. (done within tega_ega_on)

3) Change model power to Ramp1 for Cal Tank and Manifold Heater

4) Start Calibration Heater regulation at 20C

5) Start TA Manifold Heater regulation at 20C

6) Call tega_ega_prep (Filament 0)

a) Jplate 0 = -110V, Jplate 1= -92V

b) Filament current low current, low energy (0,0,0)

c) Start SM 1

d) MV ON @ 2800V

e) Ion Pump ON

f) Change filament current to low current, high energy (0,0,3)

g) Pause 2 minutes

h) Stop SM 1

7) Stop Manifold Heater regulation (~ 3 seconds has elapsed)

8) Call tega_ega_calibration_scans, Calibration Set 2

a) MV @ 3200V

9) Turn Calibration Heater regulation OFF (~ 4 minutes have elapsed)

10) Call tega_ega_gain

a) Start SM 2

b) Pause 1 minute

c) Set MV 2600 – 3400V (1 minute per voltage)

d) Remain at 3200V

e) Stop SM 2

f) Run Sweep 38

11) Start SM 2

12) HEATER TEST

a) Plumbing 1 – ON Wait 5 secs

b) Plumbing 1 – OFF

c) Plumbing 2 – ON Wait 5 secs

d) Plumbing 2 – OFF

e) EGA Manifold – ON Wait 5 secs

f) EGA Manifold – OFF

g) EGA Plumbing – ON Wait 5 secs

h) EGA Plumbing – OFF

i) EGA Warmup – ON Wait 5 secs

j) EGA Warmup - OFF

k) Transfer Tube – ON Wait 5 secs

l) Transfer Tube – OFF

m) Wedge Heater – ON Wait 5 secs

n) Wedge Heater – OFF

13) Call tega_select_oven

14) Setup for TA test

a) Turn on engineering readings for TA test

b) open door time to 10 sec

c) close oven time to 10 sec

d) LED min diff to -1

e) Poke registers to setup oven, shield, and t-heater

f) Change power model to Ramp2

15) Select Oven 0

a) Open Door – 10 secs (This has a 30 sec timeout for GV_TEGA_TA_DONE)

b) Open inlet – wait 5 sec

c) Close inlet –

d) Open Outlet – wait 5 sec

e) Close Outlet –

f) Start Oven fill – Shake for 15 secs (verifies LED operational)

i) Will not shake/LED Diff Parameters set to prevent

g) Close Oven – 10 secs (This has a 30 sec timeout for GV_TEGA_TA_DONE)

h) Poke registers for oven, shield, t-heater (allow enough time to get a linear temperature rise)

i) Turn off power to oven, shield, t-heater for one minute.

16) Repeat 23a-23i through Oven 7

17) Bypass OPEN – Wait 5 secs

18) ass CLOSED –

a) Issue FPGA Register Dump

19) Carrier Valve OPEN – wait 3 sec

a) Issue FPGA Register Dump

20) Carrier Valve CLOSE –

a) Issue FPGA Register Dump

21) Calibration Valve OPEN – wait 3 secs

a) Issue FPGA Register Dump

22) Calibration Valve CLOSE –

a) Issue FPGA Register Dump

23) FPGA Dump to confirm valve states

24) Multiplier Voltage to 2800V

25) Pause 1 minute

26) Stop SM 2

27) Run Sweep 38 (2800) and wait for it to finish

28) EGA OFF

29) TEGA OFF