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Operator’s View of CSS @ SNS
Assume there’s a new alarm…
Sort by Time,Severity, …Sort by Time,Severity, …
Select by Name, Description
Select by Name, Description
AcknowledgeAcknowledge
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Alarm Table Data Browser1. Context menu: Alarm Duration, Guidance, Displays, …
2. Select Data Browser for PV in alarm
3. View history, annotate
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Data Browser Electronic Logbook
After inspecting alarm PV’s history, post commented plot to E-Log
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Plugin BJava Code,preference settings, …
Plugin BJava Code,preference settings, …
Plugin AJava Code,online help, …
Plugin AJava Code,online help, …
CSS: Applications turn into Eclipse Plug-ins• Java, i.e. runs on Linux, OS X, Windows
• Eclipse Plug-in– JARs with code, images, HTML, …
– MANIFEST: list dependencies, define what’s exported
• Extension Points– Define and document APIs
– Dynamically locate implementations
• Launcher– Native to Operating System, loads JVM
– On-demand plugin dependency loading
• Rich Client Platform (RCP)– Workbench
• Multi-document UI, File browser, Online help, Preferences, …
– Almost everything offers extension points• Menus, file type associations, views, …
Extension PointExtension Point
ImplementationImplementation
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Support Plug-Ins
• Extension points for accessing– Live control system data– Historic (archived) data– Electronic Logbook– Authentication & Authorization details
• Implementations available for– EPICS– Channel Archiver, BEAUTY, DESY AAPI, Data Logger, Archive
Record– SNS E-Log– LDAP, Kerberous
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Small, Generic CSS Tools
• Probe– Current value of a PV
• EPICS PV Tree– Trace PV links
• Little things–
(you can provide translations)
– Resize,Scrollbars
– Drop-downskeep previousentries
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Data BrowserPlot ‘live’ and historic data over time
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SNS Specific Examples
• PV; Rack Utility– Detailed configuration info for a PV; location of devices in
racks– Pluggable provider for info from e.g. site-specific RDB
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DESY Examples
Profibus I/O Configurator SNL Editor
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Bundling into “Product”
• Pick applications of interest– Data Browser? PACE? AMS? …
• Select/add support for your– Data sources: EPICS? Channel
Archiver?– Logbook?– Authentication, Authorization?
• Add custom “welcome” screen
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Result is “Integrated”
• Uniform Preference GUI,searchable online help– Applications– Support Libraries
• Logging
• Control System access
• For PVs, other tools that support PVs appear in “CSS” context menu
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Summary
• CSS = Control System Apps as Eclipse Plugins
• Not all pieces work everywhere or are production-ready– But some are better than previous EPICS GUI tools– You pick what you want, or add your own
• Good for end user– Homogeneous “Product”, common preferences,
online help, data exchange between applications
• More:– http://ics-web.sns.ornl.gov/css– http://css.desy.de– http://www.eclipse.org
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Trivial to silly examples
