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Table of Contents:
| Table of Contents |
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NOTE: this page was written for the case of all shutters controlled by a Galil RIO. We have since returned to running the spectrometer shutters off the Archons (to simplify timing coordination), but this page hasn’t been updated to match that yet.
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Relevant Devices
Description | Qty | Source | Part Number | ||
|---|---|---|---|---|---|
Shutter Computer Interface | 2 | Galil | Galil RIO-47142 | ||
Power Supply | 2 | Galil | PS-2.50-24 | ||
Timed Shutter Driver | 2 | Uniblitz | VED24 | ||
Source Select Shutter | 2 | Uniblitz | RS20B | ||
Source Select Shutter Power Supply | 2 | TBC | TBC | ||
Calibration Unit Timed Shutter | 1 | Uniblitz | DSS25 | ||
Scrambler Timed Shutter | 1 | Uniblitz | NS65B | ||
Timed Shutter Cable (custom) | 2 | Uniblitz | to be added | ||
Source Select Shutter Cable (custom)BNC cables | 2 | KPF | KPF- |
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Relevant Functional Block Diagram
to be added; will show VED24’s connected to the Archons via BNC cables. Archons are on top of thermal enclosure; VED24s are on the vac cart.
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Software Actions
Action | Notes | |
|---|---|---|
| 1 | Open scrambler shutter | All shutters are Shutter is bi-stable |
| 2 | Close scrambler shutter | All shutters are Shutter is bi-stable |
| 3 | Open calibration unit shutter | Shutter is bi-stable |
| 4 | Close calibration unit shutter | Shutter is bi-stable |
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Required Adjustable Settings
Setting | When Needed | Notes | ||
|---|---|---|---|---|
Build | Observing | Maintenance | ||
None | - | - | - | |
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Required Telemetry
Parameter | Report Frequency | Purpose | Notes | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Science Select Spectrometer Shutter state | On state change | Knowledge of shutter being open or closed | |||||||||||||
| 2 | Sky Select Shutter state | On state change | Knowledge of shutter being open or closed | 3 | Spectrometer Shutter state | On state change | Knowledge of shutter being open or closed | 4 | Calibration Shutter state | On state change | Knowledge of shutter being open or closed | 5 | Ca HK Shutter state | On state change | Knowledge of shutter being open or closed |
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Required Alarms
Parameter | Threshold | Notes | |
|---|---|---|---|
| 1 | |||
| 2 |
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Relevant Datasheets & Manuals
Description | File | Source | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Uniblitz VED24 Controller Datasheet |
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| 2 | Uniblitz VED24 Controller Manual |
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| 3 | Uniblitz RS20B shutter datasheetDSS25B Shutter Datasheet |
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| 4 | Galil RIO 471xxx datasheet | ||||||||||||
| View file | ds_47xxx.pdf | 5 | Uniblitz NS65B shutter datasheetUniblitz NS65B Shutter Datasheet |
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