[Dsg-hallc_epics] New HV mainframe and some Hall C EPICS info

[Brian Eng]

Hi Steve,

We confirmed that there is a crate level clear on the SY4527 that will reset interlocks on all the cards installed (there is also a card level clear).

Also one of the modules has stopped communicating with the mainframe, we've already started the support process with CAEN. They think it is a communication path problem (since LEDs on the card indicate it is okay) and have forwarded the issue to the local distributor. Fortunately the card is under warranty so there shouldn't be any issues getting it fixed.

> On Jan 18, 2019, at 11:49 AM, Stephen Wood <saw at jlab.org> wrote:
>
> I talked to Brad.  Our new CAEN HV mainframe and modules have been delivered.  He will arrange for it to be delivered to the DSG lab.
>
> All of our SoftIOC software is under ~cvxwrks/EpicsLL.  One of the applications, apps/Alias4527App, is what you will to to emulate in order to supplement the SY4527 built in EPICS so that the signal names will match what we have for the older mainframes.
>
> apps/CaenHVApp is the code for the older CAEN mainframes.  That runs on PPC VME boards and communicates with the mainframes over CaenNet.
>
> As for HV alarms, our ALH alarm configuation file is ~cvxwrks/alarm_handler/HallC.alhConfig.  You will see in that file that it has the lines
>
> INCLUDE HALL_C /home/cvxwrks/EpicsHL/HV/shms_all/HV.alhConfig
> INCLUDE HALL_C /home/cvxwrks/EpicsHL/HV/hms_all/HV.alhConfig
>
> These files are created by the perl script hv_map.perl, the same script that generates the channel map text files we were discussing today. That script could be used as is if you don't want to rewrite it in python.
>
> Steve
>
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