Messages - Honeywell Experion LX Client Manual

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Alarms and events
Interactive Instruction alerts, which can be generated by C300 controllers and ACE to
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indicate to operators that there are tasks that they must complete so that a sequential
control module can continue executing. These types of alerts are configured when the
sequential control module is configured. For more information on sequential control
modules and alerts, see the Sequential Control User's Guide.
User-generated alerts, which can be used, for example, as a reminder to an operator to
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schedule maintenance for a piece of equipment.
System-generated alerts, which are notifications of an abnormal condition in the system
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that could cause problems if the condition is not fixed.
For example, the gas pressure in Pipe A has been rising steadily over the last couple of
days, most probably due to a build-up of waste particles on the inner lining. This is
leading to a degradation in process performance. An alert is raised to indicate that pipe
cleaning must take place in the next week.
Alerts are incorporated into Experion from a third-party user alert application using a URT
connection. For more information, see the "Configuring alerts" section of the Station
Configuration Guide.

Messages

Messages can be generated to provide additional information to an operator, for example
when a point goes into alarm, a message can provide an explanatory note or a procedure.
There are four types of messages:
Informational
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Confirmable (available if you have Process Controllers)
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Single signature (available if you have Process Controllers)
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Double signature (available if you have Process Controllers)
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Informational messages are defined in:
Configuration Studio if you have standard points.
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Control Builder if you have process points.
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Confirmable messages are configured in Control Builder.
Single signature and double signature messages are configured in Control Builder.
For status, analog, and accumulator points you can specify a predefined message to be
displayed in the Message Summary when the point goes into alarm.
Each Station displays the message text defined on its local server. If you have a DSA system,
the message indexes and text should be the same on all servers to ensure that appropriate
messages are displayed for remote points.
Honeywell 2017
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