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The controllers are placed underneath the Calibration Bench to be in close proximity to their shutters: two shutters are placed within the Calibration Unit enclosure (the Cal Sci/Sky Arm and Simult. Cal shutters), and the other two are placed beside the Calibration Unit enclosure (the SoCal Sci Fiber and SoCal Cal Fiber shutters).
The shutter trigger pulses are generated by the Shutters and Timing Galil.
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Relevant Devices
Description | Qty | Source | Part Number | Notes |
|---|---|---|---|---|
Shutter Controller | 4 | Uniblitz | VED24 | |
Shutter | 4 | Uniblitz | DSS25B1T0 |
25mm Optical Shutter Bi-stable (only requires power for transitions) Ordering options:  |
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Relevant Functional Block Diagram
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Installation Instructions
The settings below must only be used for the DSS25B shutter, or damage will result. |
The shutter controller has a set of DIN “Function Switches” (second from right in image below) and an Octal switch for “Pulse Duration” (far right in image below) that need to be configured for the particular shutter being used:
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The function switch has the following settngs:
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For the DSS25B shutters the function switch and pulse duration settings are:
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