Fisher FIELDVUE DVC6200f Instruction Manual page 322

Operating with a DeltaV System
July 2013
Deciding Device Alarm Priorities
Each device alarm, just like every process alarm, has a priority assigned to it. When a device is created, the device
alarms are assigned default alarm priorities as shown in figure F‐9.
Figure F‐9. Default PlantWeb Alert Priorities
The priority of a device alarm defines whether the
alarm is annunciated on a particular workstation, in
addition to the color of the alarm and the horn sound.
The DeltaV workstation default is to annunciate device alarms above the ADVISORY (7) priority.
Therefore, by default both the FAILED and COMM PlantWeb alerts annunciate to the operator.
The priority of each alarm needs to be considered. The priority of a device alarm is determined by how important that
device problem is and the consequences to the process.
The priority is not based solely on the type of device. This means that while some DVC6200f's may be critical to
operation, other DVC6200f's may not. In this example, the DVC6200f's would have different default alarm priorities.
Note
1. If your installation has the Fieldbus devices, but is not ready to use PlantWeb alerts, then you can disable the individual alarms at
the device - or through the System Alarm Management application. Later on, individual alarms can be enabled without having to
download the device.
2. When you first begin to use device alarms, be sure that your alarm priority settings for the workstations or the individual device
alarm priorities are such that they don't cause undue operator burden. This could mean only having a few device alarms set at
WARNING or above, or changing the DeltaV Operate default such that only CRITICAL device alarms (or even perhaps NO device
alarms annunciate to the operator).
3. DO NOT enable ALL of the PlantWeb alerts in a device. Only enable the alerts that are needed.
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Instruction Manual
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