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Subject: | How to tag soft channels as undefined/disconnected |
From: | Kellee Summers <[email protected]> |
To: | [email protected] |
Date: | Tue, 12 Aug 2014 16:02:08 -0700 |
Hi All,We have set up an EPICS R3.14.12.4 database of pure software channels (on a Linux system) so that we can use the alarm handler. The channel values are being driven by a C++ software application that reads our instrument data. When the instrument data is stale (determined by an out-of-date timestamp), I would like to
set the channels to UDF so that the alarm state is INVALID.The SEVR and STAT alarm fields are non-modifiable. I tried setting the UDF field but it didn't give me a disconnected channel.
Do I need to modify the record processing? Suggestions? Thanks