Experimental Physics and
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Hi Jan,
On Tue, Mar 8, 2016 at 7:09 AM, Jan Cedric Hönig <[email protected]> wrote: Hi all, Ah, sorry for the confusion. PyEpics is only a client for Epics Channel Access -- it assumes that PVs already exist somewhere. So I started a "SimpleServer" using PCASpy. But here all PVs need to be defined before starting the server (correct?)? PCASpy is one way to dynamically create Epics PVs. For most uses of Epics in real production environments, an IOC is set-up to run as the Channel Access server. I was able to modify the data in these pre defined PVs with pre defined array sizes. PCASpy is one way to serve Epics PVs. See https://github.com/paulscherrerinstitute/pcaspy for some good examples and documentation. Using an Epics IOC is the more common way, and has many benefits for complex behavior of Records of inter-related PVs. Setting up an IOC is slightly (OK, more than slightly) more involved, but there are lots of good references for this. I'm not really an expert on this end of things, but there are many people on this list who are. --Matt
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ANJ, 15 Jul 2016 |
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