ExposureShutter < Palomar/PTF

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---+++ Shutter

The shutter assembly is a commercial unit although customized for our application.

The [[%ATTACHURL%/PS500_shutter_manual.pdf][supplied documentation]] therefore only approximates what we have, although it is probably a complete description of the control interface.

The serial connection is not needed for our application; only the TTL input will be used.

One of the camera control boxes ("MASTER") has a shutter control BNC connector. Internally this connects to a shutter control TTL signal on a newly supplied power board from Leach. This BNC drives the active low shutter open input on the Sci-In Tech controller (i.e. a TTL-LO will open the shutter and a TTL-HI will close it).



-- Main.DavidHale - 18 Jul 2008