Appendix C Field Diagnostic Alerts; Instrument Alert Conditions; Field Diagnostic Alerts - Fisher FIELDVUEDVC6200f Instruction Manual

Digital valve controller for foundation fieldbus
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Instruction Manual
D103412X012
Appendix C Field Diagnostic

Instrument Alert Conditions

Instrument Alert Conditions, when enabled, detect many operational and performance issues that may be of interest.
To view these alerts, the user must open the appropriate status screen on a host such as a ValveLink software or a
DeltaV system.

Field Diagnostic Alerts

Some instrument alert conditions can also be used to trigger Field Diagnostic alerts that will be reported in Failed,
Function Check, Out of Specification, or Maintenance Required categories, as configured by the user.
When a Field Diagnostic alert occurs, the DVC6200f 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.
Field Diagnostic alerts will be mapped to PlantWeb alerts (PWA) as shown below for older DeltaV systems that do not
support Field Diagnostics.
Field Diagnostic Alerts
Failed
Offspec
Maintenance
Check
Mode‐Based Field Diagnostic Alerts
Some Field Diagnostic alerts are not active unless the transducer block (actual) mode is Auto.
1. Alerts which can be triggered by the activities of the service technician are reported only when the transducer block
mode is AUTO.
2. Alerts which are unrelated to service technician activities are reported in all transducer block modes.
Exceptions are as follows:
D Alerts can be simulated regardless of transducer block mode but must be enabled to be reported.
D When a shutdown condition exists (either currently active or latched on through the shutdown recovery parameter)
in the transducer block, alerts are reported even though the mode of the transducer block is OOS.
Refer to table C‐1 for reporting of Field Diagnostic alerts.
AlertsC‐C‐
PlantWeb Alerts
Failed
Maintenance
Advisory
DVC6200f Digital Valve Controller
Field Diagnostic Alerts
February 2017
183

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