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Table of Contents:
| Table of Contents |
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Page Status
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Date
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Initials
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Change
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June 24, 2021
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SG
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Changed page name from “Lakeshore 224-12” to match convention used with other device pages
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May 10, 2021
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SG
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First complete draft, ready for Will and Brad
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Introduction
Three Lakeshore controllers are used for high precision temperature telemetry within KPF.
A summary of the sensor locations is given on this Google Sheet.
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Relevant Devices
Description | Qty | Source | Part Number | High Precision Temperature Sensors|
|---|---|---|---|---|
Green Lakeshore | 1 | Lakeshore | 224-12 | |
Red Lakeshore | 1 | Lakeshore | 224-12 | |
Cryostat Temperature SensorsSpectrometer Lakeshore | 1 | Lakeshore | 224-12 | |
NOTE: we have two three 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’).
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Relevant Functional Block Diagram
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Both The three Lakeshores will be set up the same, with sensors placed at (or within) the vacuum chamber.
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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 |
Spectrometer Lakeshore
Lakeshore Input | KPF Location | Notes | |
|---|---|---|---|
| 1 | A | ||
| 2 | B | ||
| 3 | C1 | ||
| 4 | C2 | ||
| 5 | C3 | ||
| 6 | C4 | ||
| 7 | C5 | ||
| 8 | D1 | ||
| 9 | D2 | ||
| 10 | D3 | ||
| 11 | D4 | ||
| 12 | D5 |
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Required Alarms
Parameter | Threshold | Notes | |
|---|---|---|---|
| 1 | |||
| 2 |
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