Experimental Physics and
Industrial Control System

Pete Jemian <[email protected]> · Wed, 1 Apr 2015 14:54:36 -0500

Peter:

On 4/1/2015 12:54 PM, Peter Milne wrote:

Is it the case that the MBBO button shows "this is what it was when the
screen started, or what you last requested on this screen", while the
Stringout shows "this is what it actually is now" (perhaps because some
other agent changed it).

Actually, the mbbo labels are more prosaic: b0, b1, b2, ...

For the pf4Bankmore.adl screen, the 16 mbbo choices (4 filter foils,

each in or out) are drawn as 16 MEDM Message Button widgets in a linear

1-D array.

Next to each button is a MEDM Text Monitor widget showing the stringout

with that button.

Opposite the linear array of buttons is a MEDM Byte Monitor widget that

shows the selected value of the mbbo record.

Like this example, showing b2 selected (transmission of 0.25):

  [b0]  1.0
  [b1]  0.5
* [b2]  0.25
  [b3]  0.125
  [b4]  0.0625

The button labels could have been slightly more descriptive, showing the

total foil thickness for that combination but that is much less useful

than the transmission (1-attenuation) from a user point of view.

Pete

--
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Pete R. Jemian, Ph.D.                <[email protected]>
Beam line Controls and Data Acquisition, Group Leader
Advanced Photon Source,   Argonne National Laboratory
Argonne, IL  60439                   630 - 252 - 3189
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   Education is the one thing for which people
      are willing to pay yet not receive.
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System