Best Practice: Alarming for Wonderware System Platform

Altmar du ToitWonderware Southern Africa

► What is alarms and events?

► Alarms in System Platform

► New Alarm Control

► Demo

► Conclusion

Agenda

What is an Alarm

► In general an alarm is a condition – in particular an abnormal condition

► Example:

Normal ConditionAbnormal Condition

What is an Event?

► A detectable occurrence which does not need operator response

► Example:

Start PumpEvent Occured

Alarms and Events

► Grouped ► Prioritized

► Distributed

► Visualized

► Stored

► What is alarms and events?

► Alarms in System Platform

► New Alarm Controls

► Demo

► Conclusion

Agenda

Alarms in System Platform

Galaxy

Consumer

ConsumerConsumer

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 ProvidersView1 View2 View3

AOS 01 AOS 02 Historian

PLCPLC 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

► What is alarms and events?

► Alarms in System Platform

► New Alarm Controls

► Demo

► Conclusion

Agenda

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

DEMO

► What is alarms and events?

► Alarms in System Platform

► New Alarm Controls

► Demo

► Conclusion

Agenda

Conclusion

► Distinguish between alarms and events► Plan your model before hand – alarms are

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

Questions