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Option Description
Rising • When the specified process variable is below Trigger Level, the burst message
is sent at Default Update Rate.
• When the specified process variable is above Trigger Level, the burst message
is sent at Update Rate.
Windowed This option is used to communicate that the process variable is changing rapid-
ly. Trigger Level defines a deadband around the most recently broadcast value.
• If the process variable stays within this deadband, the burst message is sent
at Default Update Rate.
• If the process variable moves outside this deadband in either direction, the
burst message is sent at Update Rate.
On Change • If any value in the burst message changes, the burst message is sent at Up-
date Rate.
• If no values change, the burst message is sent at Default Update Rate.
3. Ensure that Primary Variable or Burst Variable 0 is set to the variable that will activate the
trigger. If it is not, reconfigure the burst message contents.
4. Set Trigger Level to the value of the process variable at which the trigger will be
activated.
5. Set Default Update Rate to the burst interval to be used when the trigger is not active.
6. Set Update Rate to the burst interval to be used when the trigger is active.
Configure HART event notification
Display Not available
ProLink III Device Tools > Configuration > Communications > Communications (HART) > Event Notification
Field Communicator Configure > Manual Setup > HART > Event Notification
Overview
Event notification uses the burst message mechanism to indicate that an alert has occurred.
When event notification is enabled and one or more of the selected alerts occurs, each
active burst message will broadcast a BACK message until the event is acknowledged by a
HART master using HART command 119.
Tip
Event notification affects only HART burst messages. Whether an alert is selected for event
notification or not, alert severity, alert status (active or inactive), fault timeout, and alert
acknowledgment operate as normal.
Prerequisites
If you are using the Field Communicator, you must enable a burst message before you can
configure event notification.
Integrate the meter with the control system
114 Micro Motion
®
Fork Viscosity Meters (FVM)