Emerson Fisher FIELDVUE DVC6000f, Instruction Manual

Page: 324 / 384

DVC6000f Digital Valve Controllers
December 2009 C-2
Figure C-1. Alert Handling
START
ALERT
CONDITION
ENABLED?
Enable Instrument
Alert Condition in
the Transducer
Block
LIMITS EXCEEDED
TO CAUSE ALERT?
Set Alert Points
and Deadband in
the Transducer
Block
PLANTWEB
ALERT
ACTIVE
PRIORITY
>
1?
Set Priority with
PlantWeb Alarm
Priority parameters
in Transducer Block
using DeltaV
REPORT
ALERTS?
Select “Reports
Supported” from
FEATURE_SEL in
the Resource
Block
Yes
Yes
NO ACTIVE INSTRUMENT
ALERT CONDITION
No
No
SUPPRESS
REPORTING
ALERT
CONDITION?
PLANTWEB
ALERTS
REPORTED
Suppress Alert
Condition Reporting
with Alarm Suppress
Parameters in
Transducer Block
Instrument Alert
Conditions active,
but not reported
Yes
Yes
Yes
No
No
No
Use Resource and Transducer
Block Parameters to Configure
Enable PlantWeb
Alert in the
Transducer
Block
PLANTWEB
ALERT
ENABLED?
Yes
No
NO ACTIVE
PLANTWEB ALERT
INSTRUMENT
ALERT
CONDITION
ACTIVE
TRANSDUCER
BLOCK MODE
AUTO
Yes
1
1
NOTE:
CERTAIN PLANTWEB ALERTS ARE MODE-BASED.
SEE TABLE C-1 FOR DETAILS.
Yes
No
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
DeltaV system, ValveLink Software or a Field
Communicator.
PlantWeb Alerts
Some instrument alert conditions can also 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 DeltaV alarm interface tools such as
the alarm banner, alarm list and alarm summary. For
specific information on setting up PlantWeb Alerts in a
DeltaV system, refer to the PlantWeb Alerts section in
Appendix F.
When a PlantWeb alert occurs, the DVC6000f 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.
Mode-Based PlantWeb Alerts
Some PlantWeb 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:
Alerts can be simulated regardless of transducer
block mode but must be enabled to be reported.
C