[Halld-controls] Comments on HV control for BCAL

[Hovanes Egiyan]

Hi Elton,
Thanks for the feedback. Some of the bullets were easy to fix, see 
comments below.
Some of them need to wait about a month for Vanik to come back to JLab.
Hovanes.

On 03/20/2014 11:13 AM, Elton Smith wrote:
> Hi Nerses,
>
> I have been compiling feedback on the BCAL HV control
>
> 1. Would like to highlight the channel that has been selected. At the
> moment the channel number is displayed, but it would be nice to have a
> visual clue to point to the selected channel
Vanik needs to be here to implement this feature.
> 2. The "show bias channels" window will not allow the voltage to be set
> above 70 V. The "set bias channels" window does not have this restriction.
Fixed
> 3. The histogram display of the current is not operational
Fixed
> 4. In the "set bias channels" window the measured temperature seems to
> display the measured voltage.
Fixed. Note that "set voltage according to measured temperature" for 
modules or the two sides  will
not work properly, may produce unpredictable result. Do not use that 
option! Set voltages according
to the value that you type in. Vanik needs to come back to fix  this 
feature.
> 5. The "red" status on the overall display will remain ON even if some
> of the HV channels are on. The status will only turn green if all four
> HV channels from a given module are all on. For example, if one of the
> four HV channels from one module is off, that module will show "red".
> However, it is good to be able to look at the overall display and see if
> ANY channels are on. We may need to add another color, e.g. orange, that
> would show that some of the HV channels are on.
The problem might be resolved when Vanik fixes the bug with setting
parameters for the whole side.
> * Finally, the issue of some channels staying at zero volts, even if the
> set voltage is 75 V. Yesterday I found this problem for BCAL module 13,
> which is a completely different HV module from previously identified
> module. I will continue to debug this; in the previous case, the
> channels were cleared when we unplugged the IPOD crate and rebooted the IOC.
This needs more investigation.
> Thanks, Elton.
>
>
>
> Elton Smith
> Jefferson Lab MS 12H5
> 12000 Jefferson Ave STE 16
> Newport News, VA 23606
> (757) 269-7625
> (757) 269-6331 fax
>
>
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