Hi Adam,
You cannot find those values in NC_CC_TOF_1300.sql. The 500V tancredi
mentioned is the standby value.
We have not used RUP, RDN and trip values never before! I think the cards
and crates came with some default values. We just require in hv program
not to go over the maximum allowed HV value for PMT's. But it is good if
you can add these. Anyway I don't know what values should you use.
What we used was just a sleep() command while Ramp Up or Down!
God luck
-----------------------
Octavian F Filoti
Nuclear Physics Group
Univ. of New Hampshire
9 Library Way
Durham, NH 03824
phone: (603)862-1691
FAX: (603)862-2998
email: ofiloti@unh.edu
On Thu, 17 Apr 2003, Tancredi Botto wrote:
>
> Hello Adam,
> you can find the default values in the NC_CC_TOF_1300.sql file in
> ~/commis/hv. Generally speaking the low value there is 500 V. For the
> cerenkov you may want to put in the values from a *_10percent*.sql file
> Please include the spill monitor HV, whic you find in NC_CC_TOF_1300
>
>
> I do not know if it makes sense to adjust ramp up speeds of tofs/ccs but
> we should if those detectors are slower than the wch hv.
>
> --
> ________________________________________________________________________________
> Tancredi Botto, phone: +1-617-253-9204 mobile: +1-978-490-4124
> research scientist MIT/Bates, 21 Manning Av Middleton MA, 01949
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> On Wed, 16 Apr 2003, Adam Jon DeGrush wrote:
>
> >
> > Hi,
> >
> > Since the EPICS controlled HV is about to come online I need some
> > additional information on the HV channels, information that is not in the
> > SQL files that were used in the last ring run. Specifically each channel
> > will have it's own rampup rate, rampdown rate and trip current. I have
> > entered those values for the wire chamber but I need to do it for the
> > other detectors too. These include the TOF's, Cerenkovs, neutron counters,
> > and compton polarimeter(and others if people plan to add them to the hv
> > control). Even if you plan to use the default settings, I will still add
> > those into the database just in case you would like to change and save
> > them in the future. If you have any question the detector owner can talk
> > to me individually.
> >
> >
> > Thanks,
> > Adam
> >
> >
>
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