Table of Contents:
Page Status
Date | Initials | Change |
|---|---|---|
June 24, 2021 | SG | Changed page name from “Lakeshore 224-12” to match convention used with other device pages |
May 10, 2021 | SG | First complete draft, ready for Will and Brad |
Relevant Devices
Description | Qty | Source | Part Number |
|---|---|---|---|
High Precision Temperature Sensors | 1 | Lakeshore | 224-12 |
Cryostat Temperature Sensors | 1 | Lakeshore | 224-12 |
NOTE: we have two identical devices. The only difference in the control software between the two will be the look-up table which maps the Lakeshore sensor input names (i.e. ‘C1’) to physical sensor locations within KPF (i.e. ‘Echelle’).
Relevant Functional Block Diagram
Both Lakeshores will be set up the same, with sensors placed at (or within) the vacuum chamber.
Software Actions
Action | Notes | |
|---|---|---|
| 1 | Read 12 temperature values | Values reported as telemetry (see below) |
| 2 | ||
| 3 |
Required Adjustable Settings
Setting | When Needed | Notes | ||
|---|---|---|---|---|
Build | Observing | Maintenance | ||
Temperature measurement frequency | Yes | No | Maybe | |
Device Set-up Parameters
Annotated command list with KPF settings.
Required Telemetry
Parameter | Report Frequency | Purpose | Notes | |
|---|---|---|---|---|
| 1 | Input A Temperature [deg C] | Once every 5 sec [TBC] | Environmental monitoring | |
| 2 | Input B Temperature [deg C] | |||
| 3 | Input C1 Temperature [deg C] | |||
| 4 | Input C2 Temperature [deg C] | |||
| 5 | Input C3 Temperature [deg C] | |||
| 6 | Input C4 Temperature [deg C] | |||
| 7 | Input C5 Temperature [deg C] | |||
| 8 | Input D1 Temperature [deg C] | |||
| 9 | Input D2 Temperature [deg C] | |||
| 10 | Input D3 Temperature [deg C] | |||
| 11 | Input D4 Temperature [deg C] | |||
| 12 | Input D5 Temperature [deg C] |
Lakeshore Input Names/KPF Location Look-up Tables
Green Lakeshore
Lakeshore Input | KPF Location | Notes | |
|---|---|---|---|
| 1 | A | Green Cryostat Individual Locations TBD | |
| 2 | B | ||
| 3 | C1 | ||
| 4 | C2 | ||
| 5 | C3 | ||
| 6 | C4 | ||
| 7 | C5 | ||
| 8 | D1 | ||
| 9 | D2 | Spectrometer Individual Locations TBD | |
| 10 | D3 | ||
| 11 | D4 | ||
| 12 | D5 |
Red Lakeshore
Lakeshore Input | KPF Location | Notes | |
|---|---|---|---|
| 1 | A | Red Cryostat Individual Locations TBD | |
| 2 | B | ||
| 3 | C1 | ||
| 4 | C2 | ||
| 5 | C3 | ||
| 6 | C4 | ||
| 7 | C5 | ||
| 8 | D1 | ||
| 9 | D2 | Spectrometer Individual Locations TBD | |
| 10 | D3 | ||
| 11 | D4 | ||
| 12 | D5 |
Required Alarms
Parameter | Threshold | Notes | |
|---|---|---|---|
| 1 | |||
| 2 |
Relevant Datasheets & Manuals
Description | File | Source | |
|---|---|---|---|
| 1 | Device Manual | ||
| 2 | Rack Mounting Instructions |
Relevant Software
Description | File | Source | |
|---|---|---|---|
| 1 | Python code that sets up a Lakeshore 224 with KPF settings. | Written by S. Gibson for tests at SSL. | |
| 2 |
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