Experimental Physics and
Industrial Control System

John Dobbins <[email protected]> · Wed, 15 Feb 2006 11:00:54 -0500

Hello All,
If I create a text control widget in EDM with "PV" = pv1 and "Null PV" =
pv2 I find that the displayed value is not in the Null Color even when
pv1=pv2 if pv1, pv2 are type longout, longin.
Is this to be expected?
If I take the difference between the two PVs with a calc record and then
use that as the Null PV and choose "Null PV = 0" then things work.
Thanks,
John Dobbins
Cornell University
Lab for Elementary Particle Physics
Ithaca, NY

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System