Argonne National Laboratory

Experimental Physics and
Industrial Control System

1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017 Index 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017
<== Date ==> <== Thread ==>

Subject: RE: EPICS PV for data in Area Detector
From: Iain Marcuson <Iain.Marcuson@sydorinstruments.com>
To: Mark Rivers <rivers@cars.uchicago.edu>, "tech-talk@aps.anl.gov >> EPICS Tech Talk" <tech-talk@aps.anl.gov>
Date: Thu, 4 May 2017 13:38:06 +0000
> I suspect the problem could be that you used the wrong
> $(P)$(R)ArrayCallbacks record.  That must be set using the $(R) for the
> detector driver (perhaps it is cam1:), while $(P)$(R)EnableCallbacks must be
> set for the $(R) of the NDPluginStdArrays plugin (perhaps image1:).  The
> former tells your driver to do callbacks to plugins (and controls the
> if(arrayCallbacks) you said was false.  The latter controls whether the
> NDPluginStdArrays plugin subscribes to callbacks from the driver.
> 
> If you set $(P)$(R)ArrayCallbacks for the NDPluginStdArrays plugin instead
> that would control whether that plugin does callbacks to any downstream
> plugins subscribed to it.  That would be an unusual thing to do, since normal
> the NDPluginStdArrays plugin is not connected to any downstream plugins.

I had both the NDPluginStdArrays and the camera with the same $(R).  Changing that and following your instructions on which callbacks to enable made the acquisition successful.

Thank you,

Iain.

References:
EPICS PV for data in Area Detector Iain Marcuson
RE: EPICS PV for data in Area Detector Mark Rivers
RE: EPICS PV for data in Area Detector Iain Marcuson
RE: EPICS PV for data in Area Detector Mark Rivers

Navigate by Date:
Prev: Re: Archiver Appliance scripted alias record Shankar, Murali
Next: need to monitor the subArray record field NORD Lussignol Yves
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017
Navigate by Thread:
Prev: RE: EPICS PV for data in Area Detector Mark Rivers
Next: Question about build StreamDevice application lzf neu
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  <2017
ANJ, 04 May 2017 Valid HTML 4.01! · Home · News · About · Base · Modules · Extensions · Distributions · Download ·
· EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing ·