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Proposal: name each ion pump with respect to its camera (Green/Red) and the side of the spectrometer it is on (Echelle/Collimator). The driver here is that the name then gives the location of the pump (whereas labels like “Green #1” or “Red 10 o’clock” or “Green Prime” require more information to derive the position).
However: Brad - please let me know if this is too cumbersome!
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Relevant Devices
Description | Qty | Source | Part Number |
|---|---|---|---|
Ion Pump Controller | 4 | Gamma | SPC-1-P-S-1-US110-E-S-N |
Ion Pump | 4 | Gamma | 3SDI1V5KNN (3S TiTan) |
Air Cables | 4 | Gamma | 10K-SC10-10K (10 m) |
Vacuum Cables | 4 | Custom | - |
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Software Actions
Action | Notes | |||||||
|---|---|---|---|---|---|---|---|---|
| 1 | GRN_ION_E: Read telemetry | Pressure, Voltage, Current and Current High Voltage Status values reported as telemetry (see below) | ||||||
| 2 | GRN_ION_C: Read telemetry | |||||||
| 3 | RED_ION_E: Read telemetry | |||||||
| 4 | RED_ION_C: Read telemetry | |||||||
| 5 | GRN_ION_E: turn pump on
| These controls should have a lock applied so they cannot be accidentally switched. | ||||||
| 6 | GRN_ION_E: turn pump off
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| 7 | GRN_ION_C: turn pump on
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| 8 | GRN_ION_C: turn pump off
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| 9 | RED_ION_E: turn pump on
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| 10 | RED_ION_E: turn pump off
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| 11 | RED_ION_C: turn pump on
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| 12 | RED_ION_C: turn pump off
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Required Adjustable Settings
Setting | When Needed | Notes | ||
|---|---|---|---|---|
Build | Observing | Maintenance | ||
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Required Telemetry
Pump | Parameter | Report Frequency | Purpose | Notes | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SG needs to update | 2 | 3 | Green controller 1 pressure value | Once per minute (TBC) | Monitor green cyrostat pressure | 4 | Green controller 2 pressure value | Once per minute (TBC) | Monitor green cyrostat pressure | 5 | Red controller 1 pressure value | Once per minute (TBC) | Monitor red cyrostat pressure | 6 | Red controller 2 pressure value | Once per minute (TBC) | Monitor red cyrostat pressure | GRN_ION_E | Pressure | Once per minute
| Monitor cyrostat pressure | ||||||||
| 2 | Voltage | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 3 | Current | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 4 | High Voltage Status | Once per minute
| Ensure pump is on | |||||||||||||||||||||||||||
| 5 | GRN_ION_C | Pressure | Once per minute
| Monitor cyrostat pressure | ||||||||||||||||||||||||||
| 6 | Voltage | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 7 | Current | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 8 | High Voltage Status | Once per minute
| Ensure pump is on | |||||||||||||||||||||||||||
| 9 | RED_ION_E | Pressure | Once per minute
| Monitor cyrostat pressure | ||||||||||||||||||||||||||
| 10 | Voltage | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 11 | Current | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 12 | High Voltage Status | Once per minute
| Ensure pump is on | |||||||||||||||||||||||||||
| 13 | GRN_ION_C | Pressure | Once per minute
| Monitor cyrostat pressure | ||||||||||||||||||||||||||
| 14 | Voltage | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 15 | Current | Once per minute
| Monitor cyrostat pressure | |||||||||||||||||||||||||||
| 16 | High Voltage Status | Once per minute
| Ensure pump is on |
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Required Alarms
Parameter | Threshold | Notes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Green controller 1 pressure high | TBCGRN_ION_E pressure too high |
| Only one pump per cyrostat will be in operation at any time. The alarm system would need to know which pump/controller is in operation at any time to monitor the correct pressure value. | ||||||||
| 2 | Green controller 2 pressure high | TBC | ||||||||||
| 3 | Red controller 1 pressure high | TBC | ||||||||||
| 4 | Red controller 2 pressure high | TBC | ||||||||||
| 5 | 6 | High Voltage turns off | 7 | 8 | 9GRN_ION_C pressure too high |
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| 3 | RED_ION_E pressure too high |
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| 4 | RED_ION_C pressure too high |
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| 5 | GRN_ION_E high voltage off |
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| 6 | GRN_ION_C high voltage off |
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| 7 | RED_ION_E high voltage off |
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| 8 | RED_ION_C high voltage off |
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Relevant Datasheets & Manuals
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Device Command List for KPF
Noted as a ‘draft’ at this point as I need to finalize Arc Detection command setting.
| View file | ||
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