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Message ID: 3119     Entry time: Fri Jun 25 08:10:23 2010
Author: josephb 
Type: Update 
Category: CDS 
Subject: Daily Downs Update 

Yesterday afternoon I went to downs and acquired the following materials:

2 100 ft long blue fibers, for use with the timing system.  These need to be run from the timing switch in 1Y5/1Y6 area to the ends.

3 ADCs (PMC66-16AI6455A-64-50M) and 2 DACs (PMC66-16AO16-16-F0-OF), bringing our total of each to 8.

7 ADC adapter boards which go in the backs of the IO chassis, bringing our total for those (1 for each ADC) to 8.

There were no DAC adapter boards of the new style available.  Jay asked Todd to build those in the next day or two (this was on Thursday), so hopefully by Monday we will have those.

Jay pointed out there are different styles of the Blue and Gold adapter boxes (for ADCs to DB44/37) for example.  I'm re-examining the drawings of the system (although some drawings were never revised to the new system, so I'm trying to interpolate from the current system in some cases), to determine what adapter style and numbers we need.  In any case, those do not appear to have been finished yet (there basically stuffed boards in a bag in Jay's office which need to be put into the actual boxes with face plates).

When I asked Rolf if I could take my remaining IO chassis, there was some back and forth between him and Jay about numbers they have and need for their test stands, and having some more built.  He needs some, Jay needs some, and the 40m still needs 3.  Some more are being built.  Apparently when those are finished, I'll either get those, or the ones that were built for the 40m and are currently in test stands.

 

Edit:

Aparently Friday afternoon (when we were all at Journal Club), Todd dropped off the 7 DAC adapter boards, so we have a full set of those.

Things still needed:

1) 3 IO chassis (2 Dolphin style for the LSC and IO, and 1 more small style for the South end station (new X)).  We already have the East end station (new Y) and SUS chassis.

2) 2 50+ meter Ethernet cables and a router for the DAQ system.  The Ethernet cables are to go from the end stations to 1Y5-ish, where the DAQ router will be located.

3) I still need to finish understanding the old drawings drawings to figure out what blue and gold adapter boxes are needed.  At most 6 ADC, 3 DAC are necessary but it may be less, and the styles need to be determined.

4) 1 more computer for the South end station.  If we're using Megatron as the new IO chassis, then we're set on computers.  If we're not using Megatron in the new CDS system, then we'll need a IO computer as well.  The answer to this tends to depend on if you ask Jay or Rolf.

 

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