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Table of Contents:
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Introduction
The optical bench within the vacuum chamber is supported by five vibration isolation pedestals. Typically these isolators have a hand-crank that can be used to adjust the height of each isolator mechanism and therefore level the table being supported.
For KPF, these five hand-cranks were replaced by vacuum-compatible stepper motors. This allows for remote leveling of the bench via computer control (while the bench is installed within the vacuum chamber).
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Relevant Devices
Description | Qty | Source | Part Number |
|---|---|---|---|
Stepper Motor Controller | 1 | Galil | DMC-4050(16BIT)-C012-I000-I000-D4040-D4020(ISAMP) |
Controller Power Supply | 1 | Galil | PSR-12-24 |
Vacuum-Compatible Stepper Motors | 5 | Lin Engineering | 4118M-06S-DDRO |
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Relevant Functional Block Diagram
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Cable Details
Cable | Qty | Details | Notes |
|---|---|---|---|
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Installation Details
Description | File | Notes | |||||
|---|---|---|---|---|---|---|---|
| 1 | Kodi’s Description of the System |
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| 2 | Instructions for Setting the “Motor Off” Jumper |
| This jumper ensures the motors will not turn on when the Galil powers-up. This is especially important as these motors are a heat source within the vacuum chamber. |
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Relevant Datasheets & Manuals
Description | File | Source | |
|---|---|---|---|
| 1 | Vacuum-compatible stepper motor drawing |  | |
| 2 |
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Relevant Software
Description | File | Source | |
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| 1 | |||
| 2 |