Re: [BLAST_SHIFTS] HV Gui Update

From: Adam Jon DeGrush (degrush@MIT.EDU)
Date: Fri Jun 20 2003 - 09:23:20 EDT


I'm sorry the boot script that doesn't have the ion pol stuff but does use
the new database is "BOOT_BKUP"

Cheers,
Adam

On Thu, 19 Jun 2003, Adam DeGrush wrote:

> Hi,
>
> I've updated the HV Gui to use the BLAST_physics database. In addition the ion
> polarimeter channels have been added into the control. From now on to boot the
> epics ioc, do it from the soft link in the epics1 HOME directory on dtun1-pc:
>
> epics1@dtun1-pc:/home/epics1> ./BOOT
>
>
> If that fails, there is a backup that does not have the ion polarimeter in it but
> still uses the new mysql database:
> epics1@dtun1-pc:/home/epics1> ./BOOT
>
> If that fails you can revert to the one you have been using all along which uses
> the BLASTwc database:
> epics1@dtun1-pc:/home/epics1> ./BOOT_OLD
>
> There are some updates that need to be made to the BLAST_physics database.
>
> 1.) Standby voltage for wire chamber sense voltage need to be reduced from 3000 to
> 2000.
>
> 2.) Rup/Rdwn rates for TOFs, CC, NC set to 500 V/s
>
> 3.) Trip currents need to be set for TOFs, CC, NC to something reasonable say -2550
> (default).
>
> 4.) The ion polarimeter will have to be added to the mysql database. It should
> have "IP_" in front of its tables. Currently the values are being read in from a
> simple text file. If you need to change the values permanently, talk to me.
>
> 5.) The epics program needs to have write access to those tables ending in "_HV" at
> some point. It may make sense to create an identical database just to test writing
> and then switch over when ok.
>
> This means that currently you cannot make your changes to the voltage settings
> permanent.
>
>
> I will be at bates tomorrow to oversee that everything hopefully works.
>
> Cheers,
> Adam
>
>
>
>
>



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