Transcript Wonderware Presentation Template 2007

Best Practice: Alarming for
Wonderware System Platform
Altmar du Toit
Wonderware Southern Africa
Agenda
► What is alarms and events?
► Alarms in System Platform
► New Alarm Control
► Demo
► Conclusion
What is an Alarm
► In general an alarm is a condition – in particular
an abnormal condition
► Example:
What is an Event?
► A detectable occurrence which does not need
operator response
► Example:
Alarms and Events
► Grouped
► Prioritized
► Distributed
► Visualized
► Stored
Agenda
► What is alarms and events?
► Alarms in System Platform
► New Alarm Controls
► Demo
► Conclusion
Alarms in System Platform
Which is the provider?
Best practice planning alarm system
► Determine Alarms before hand
► Use IO/Lists
► Communicate with the process department
► Do not alarm on every single I/O only the absolute
necessary ones
► Prioritize your alarms (Critical to Info)
► Build the critical alarms into your templates to
enforce standards through to all the instances
► Plan the areas before hand and build your model
accordingly
► How will you visualize the alarms?
Where do we store the alarms
Alarms in a Network Environment
► Different Alarm Providers
View1
AOS 01
PLC
View2
View3
AOS 02
Historian
PLC
PLC
Historical Alarms
► Benefit of using multiples alarm providers
No historical data loss
Minimize Network Traffic
No single point of failure
Historical Alarms and redundancy
► Alarms in redundant configuration :
 Described in Implementing Redundancy
section of the deployment guide
 Also refer to Technote 430
Agenda
► What is alarms and events?
► Alarms in System Platform
► New Alarm Controls
► Demo
► Conclusion
New Alarm Controls
► Alarms are viewed in the new Alarm Client
Controls.
► The new alarm client can be found in the graphic
toolbox
New Alarm Controls
► The Client Control can be embedded and
configured in the graphic symbol editor
► New Client Control tools are included in the
graphic symbol editor
New Alarm Controls
► Once the alarm control is embedded it can be
configured
New Alarm Controls
► Alarms can be viewed as Current or Historical
New Alarm Controls
► Alarm Colours, Column Details, Query Filters,
Time Settings, Run Time Behaviour, Data Binding
and Event properties can be configured
Best practice visualizing alarms
► If you have to use popups only use them for the
absolutely critical alarms
► Show alarm page on menu bar and show critical
alarms only
► Configure the alarm system to be dynamic
► Show alarm drill down to area and show the page
with the critical alarm
Demo
Agenda
► What is alarms and events?
► Alarms in System Platform
► New Alarm Controls
► Demo
► Conclusion
Conclusion
► Distinguish between alarms and events
► Plan your model before hand – alarms are
►
►
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grouped according to areas
Prioritise alarms according to the severity of the
alarm
Choose the correct alarm provider for your site
topology
Store alarm database to the historian
Make it as easy as possible for the user to
acknowledge the alarms visually
Questions