Instruction Manual

Instruction Manual
D103434X012
Configuration
November 2014
39
PlantWeb Alerts
Instrument alert conditions can be used to trigger PlantWeb alerts that will be reported in Failed, Maintenance or
Advisory categories, as configured by the user. PlantWeb alerts, when enabled, can participate in the DeltaVt alarm
interface tools such as the alarm banner, alarm list and alarm summary.
When a PlantWeb alert occurs, the DLC3020f sends an event notification and waits a specified period of time for an
acknowledgment to be received. This occurs even if the condition that caused the alert no longer exists. If the
acknowledgment is not received within the pre‐specified time‐out period, the event notification is retransmitted. This
reduces the possibility of alert messages getting lost.
DLC3020f alerts can be reported in the following categories.
Failed— indicates a problem with the DLC3020f that affects its operation. Immediate action is required for a Failed
condition.
Maintenance— indicates a problem with the DLC3020f that, if ignored, could eventually lead to its failure. Maintenance
conditions require prompt action.
Advisory— indicates a minor problem with the DLC3020f. An advisory condition does not have an impact on the
process or device.
No Category— the alert has not been categorized.
Suppress PlantWeb Alert—- the alert is still evaluated by the DLC3020f, but, it does not report the status condition
through an instrument alert.
Electronics
D Pending Memory Fail— when selected indicates if a pending memory error has been detected in the main board.
D Static Memory Fail— when selected indicates if a memory error has been detected in the main board.
Operational
D PV Exceeds Sensor Range— when selected indicates if the Primary Variable (PV) has reached or exceeded the Sensor
Range and is no longer correct.
D PV Range Exceeds Sensor Range— when selected indicates if the Primary Variable (PV) Range has exceeded the
range of the sensor's current calibration. The PV is still accurate but could move out of sensor range.
D PV Exceeds Primary Range— when selected indicates if the the Primary Variable (PV) has exceeded the PV Range.
D Calibration Validity— when selected indicates if a vital calibration parameter has been changed.
Rate Limit
D Displacer Rise Rate Exceeded— when selected indicates if the device detected a rise rate that exceeded the Rapid
Rate Limit.
D Displacer Fall Rate Exceeded Alert— when selected indicates if the device detected a fall rate that exceeded the
Rapid Rate Limit.
Rapid Rate Limit—when selected, triggers an alarm when the configured set point has been exceeded. Rapid rate limit
is user‐configured based on application.
Select Clear Rate Limit Alert to clear the alert.