Difference between revisions of "Minutes-1-15-2015"
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== Electronics == | == Electronics == | ||
− | - Nick and Chris started modifying the HVBs: adding capacitors, milling retainers. Some dust (like rust) | + | - Nick and Chris started modifying the HVBs: adding capacitors, milling retainers. Some dust (like rust) and fibers were found on the caps of the top HVBs - picture linked above. |
− | + | - Cody: 24 (out 25) new fADCs were tested and only two failed - much better than with the previous production. Cody replaced 10 fADC125 (see logbook entry) following the list of bad channels (with missing bits) given to him by Naomi and Vlad. Will try to fix the bad channels if possible or ship them for repair. | |
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− | - Cody: | + | |
== Engineering == | == Engineering == | ||
− | - The FDC chiller | + | - Dave presented his plan for |
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+ | - The FDC chiller has been finally shipped for repair. | ||
- We discussed options for turning off the power of the FDC chiller in case the temperature of the Fluorinert is out of the limits. On the next day Dave looked into this and decided to do something he's doing for HallB: external box that is plugged between the outlet and the chiller (note: 208V three phases 30A). It has a relay inside controlled by the PLC system that is taking the temperature from the epics readings of the chiller. | - We discussed options for turning off the power of the FDC chiller in case the temperature of the Fluorinert is out of the limits. On the next day Dave looked into this and decided to do something he's doing for HallB: external box that is plugged between the outlet and the chiller (note: 208V three phases 30A). It has a relay inside controlled by the PLC system that is taking the temperature from the epics readings of the chiller. | ||
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Revision as of 17:59, 16 January 2015
January 15, 2015 FDC+CDC meeting
Connection
- Instructions for Bluejeans meeting connection
- FDC meeting ID: 290664653
- To join via a Web Browser, go to the page [1] https://bluejeans.com/290664653.
Agenda
- File:CDCUpdate15Jan2015.pdf (Mike)
- FDC update
- Electronics
- HVB refurbishment trash on HVBs
- f125 replacement fADC125 replacements (Cody)
- Engineering Chiller Interlock (Dave)
- Other