I am still working on the code. I will test it Tues morning and will be
there Wed in case the is some major problems (although I don't forsee
any).
Adam
On Fri, 12 Sep 2003, Michael Kohl wrote:
> Hi Adam and Adrian,
>
> the LADS walls are now completely cabled with HV and were attached to the
> HV crates in the Dtunnel.
> Please find attached a table with the requested information of the
> stby and oper voltages, the trip current, and ramping speed.
>
> Doug and I have also set up shellscripts based on the previous wire
> chamber hv scripts, named LADSHVL and LADSHVR (in pro2003/hv)
>
> The voltages and the trip current need to be negative.
>
> As the values are overwritten by the ring fill software after each refill,
> and the "save" button in the Epics GUI is only god for one life cycle of
> the IOC, I can't really set the LADS voltages and keep them up safely for
> the rest of the weekend.
>
> From running the scripts we noticed that there is no trip at the standby
> values, however at the oper values the crates did indicate tripoffs.
> I the tripoffs at the oper values persist, I would recommend to condition
> the LADS walls at standby values of 700 V each channel, until this is
> further investigated.
>
> I would appreciate very much if you Adam and Adrian could take care of the
> implementation into Epics and into the database as soon as possible.
>
>
> Thanks and a good weekend,
>
>
> Michael
>
>
>
>
>
> On Thu, 11 Sep 2003, Adam Jon DeGrush wrote:
>
> > Hi Michael,
> >
> > I need the following for information each channel.
> >
> > Channel Name | Crate # | Slot # | Channel Number | Run Voltage (V)|
> > Standby Voltage (V)| Trip Current (uA)
> >
> > Adrian is in charge of the mysql database so he will add them in to the
> > BLAST database.
> >
> > As soon as you give me the info, I can start working on it but it will
> > probably take the weekend to finish since there is a lot of code for each
> > detector sub-group added.
> > Cheers,
> > Adam
> >
> >
> > On Thu, 11 Sep 2003, Michael Kohl wrote:
> >
> > > Hi Adam,
> > >
> > > yesterday we completed the installation of the LADS neutron counters in
> > > the hall. Today I will finish up the HV cabeling in the Dtunnel.
> > >
> > > In order to operate the HV as soon as possible, I'd like to ask you if you
> > > could take care of the implementation into Epics, i.e. into the database
> > > (I already have individual values to initialize the phototubes) and into
> > > the GUI. I would like to condition the phototubes over the weekend, such
> > > that we have a stable system by Monday which we can further set up
> > > (the electronics) next week.
> > >
> > > I could use the dumb terminal to set the voltages, however once there is a
> > > reboot or reload from the database, the LADS channels would get zeroed
> > > again.
> > >
> > > Please contact me at Bates (number below), and let me know what you need
> > > from me.
> > >
> > >
> > > Thanks and regards,
> > >
> > > Michael
> > >
> > >
> > >
> > > --
> > >
> > > +-------------------------------------+--------------------------+
> > > | Office: | Home: |
> > > |-------------------------------------|--------------------------|
> > > | Dr. Michael Kohl | Michael Kohl |
> > > | Laboratory for Nuclear Science | 5 Ibbetson Street |
> > > | MIT-Bates Linear Accelerator Center | Somerville, MA 02143 |
> > > | Middleton, MA 01949 | U.S.A. |
> > > | U.S.A. | |
> > > | - - - - - - - - - - - - | - - - - - - - - -|
> > > | Email: kohlm@mit.edu | K.Michael.Kohl@gmx.de |
> > > | Work: +1-617-253-9207 | Home: +1-617-629-3147 |
> > > | Fax: +1-617-253-9599 | Mobile: +1-978-580-4190 |
> > > | http://blast.lns.mit.edu | |
> > > +-------------------------------------+--------------------------+
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
>
> --
>
> +-------------------------------------+--------------------------+
> | Office: | Home: |
> |-------------------------------------|--------------------------|
> | Dr. Michael Kohl | Michael Kohl |
> | Laboratory for Nuclear Science | 5 Ibbetson Street |
> | MIT-Bates Linear Accelerator Center | Somerville, MA 02143 |
> | Middleton, MA 01949 | U.S.A. |
> | U.S.A. | |
> | - - - - - - - - - - - - | - - - - - - - - -|
> | Email: kohlm@mit.edu | K.Michael.Kohl@gmx.de |
> | Work: +1-617-253-9207 | Home: +1-617-629-3147 |
> | Fax: +1-617-253-9599 | Mobile: +1-978-580-4190 |
> | http://blast.lns.mit.edu | |
> +-------------------------------------+--------------------------+
>
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