0004-000067
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PV File Upload Interface
Once The PV file is loaded it can be reviewed by using the link on the EPICS
Configuration webLXI page, or going to http://<your instrument’s ip address>/ztec.pv. If
the new PV file is not visible, make sure the browser is not caching an old page by
clearing the cache or temporary internet files, and then try to access the page again.
Since full access is allowed to the PVs, it is possible to upload a non-functional file. If
this occurs, EPICS functionality will become fully or partially disabled, depending on the
type of error(s). PV files can be invalidated in many ways, such as: missing brackets or
quotations, incorrect number of fields, or FLNKs to non-existent PVs. In order to verify
the upload was successful, attempt to access the instrument through Channel Access. If
this fails, upload a valid PV file, such as the default ztscopeM.pv.
Channel Access Interface
Channel Access is EPICS’s default command-line and code-based interface, used to
view and modify process variables. ZTEC
®
has provided an example configuration script
that can be used as a starting point if Channel Access is the preferred interface to
EPICS. This script,
epics_ca_config.sh,
can be found in the EPICS Installation
script
directory. Note this is a bash script, so it is necessary to be running Cygwin if using a
Windows environment, or make command or syntax modifications if using another UNIX
or Linux shell.
