[dsg-hallb_svt] CVT work

Yuri Gotra gotra at jlab.org
Fri Apr 9 08:06:03 EDT 2021


Hello Brian,

The cooling system has been fixed, could you please help us connect the 
cables on detector side? Thank you


On 4/6/21 2:44 AM, Brian Eng wrote:
> The iseg HV card to patch panel cable can't be fixed (at least not 
> quickly and we don't have the parts) so I replaced it with a spare cable.
>
> Both of the HV patch panel to detector cables that had pins pushed in 
> were fixed. However, the pin on the R1M10 on the front of the patch 
> panel is damaged and it looks like there's debris in it as well. The 
> quickest fix would be to just use the next connector down, but I don't 
> know how easy that change is to make in software. Maybe using the old 
> R4 HV patch panel box instead?
>
> The slow control cables between the VME crate and patch panel were 
> connected and the coolant temperature sensor cable to the patch panel 
> was repaired (but I couldn't find a heat gun for the heat shrink so it 
> temporarily has tape on it too).
>
> Networking was run for the slow controls VME crate, the DAQ crate that 
> has both the controller and power supply (the other is missing both), 
> and all the MPOD modules.
>
> I started to run cabling for the HTSB sensors in the detector but 
> there is still some coolant lines that need to be insulated and/or 
> connected so I didn't want to undo the HFCB disconnects that have been 
> folded back. The insulation needs to be repaired prior to connecting 
> any of the detector cables since once the structure that holds the L1C 
> is installed that part will be very difficult to access.
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