Displaying report 1-1 of 1.
Reports until 15:06, Thursday 02 January 2014
LHO VE
kyle.ryan@LIGO.ORG - posted 15:06, Thursday 02 January 2014 (9095)
Changed X-end turbo-to-QDP80 interlock cable -> Brief interruption in X-end pumpdown
Existing cable needs to be re-routed to make room for new oplev pier but it is too short -> Replaced short cable with long one borrowed from the Corner Station turbos 

I tested the minimal interlock functionality (QDP80 PUMP RUNNING) of the new cable by demonstrating that the turbo safety valve closes when the QDP80 is stopped remotely with the safety valve in the "ROUGH" or "TURBO" position.  

I did not test the other signals used on this cable, i.e.,  "QDP80 TEMP WARNING", "QDP80 TEMP HAZARD" and "N2 FLOW WARNING"
Displaying report 1-1 of 1.