Emerson FIELDVUE DVC6200f, Instruction Manual

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DVC6200f Digital Valve Controller
November 2010 64
Travel Accumulator value and the Travel Accumulator
Alert Point.
Travel Accumulator Alert Point
Travel Accumulator Alert Point
(TVL_ACCUM_ALRT_PT [77.4]) is the value of the
Travel Accumulator, in percent (%) of ranged travel,
which, when exceeded, sets the Travel Accumulator
Alert.
Travel Accumulator Deadband
Travel Accumulator Deadband (TVL_ACCUM_DB
[77.5]) is the area around the travel reference point, in
percent (%) of ranged travel, that was established at
the last increment of the accumulator. This area must
be exceeded before a change in travel can be
accumulated. See figure 4-5.
Performance Alerts
Field Communicator
TB
>
Configure/Setup
>
Detailed Setup
>
Alerts
>
Performance Alerts
Note
Performance Alerts are only available
with a PD tier instrument. Additionally,
for the PD alerts to function properly:
The transducer block mode must
not be out of service.
The travel/pressure control state
must be in travel control mode, and
Bench Set Hi, Bench Set Lo, and
Nominal Supply Pressure must be set
in the Spec Sheets, then enable the
Performance Information instrument
alert (PERF_ENABLE [75.7]).
PD Inside Status
PD Inside Status shows the status of Performance
Diagnostics.
PD Run
PD Run enables or disables Performance Diagnostics
in the instrument (PD Inside). Selecting PD Off
disables PD Inside. Selecting PD On enables PD
Inside.
Performance Critical
Performance Critical Alert
This alert is active if the instrument is no longer able to
control the valve or performance has been
dramatically reduced.
Performance Critical Alert Enable
When enabled Performance Critical Alert Enable
activates the Performance Critical Alert.
Performance Reduced
Performance Reduced Alert
This alert is active if the instrument has detected a
reduction in performance.
Performance Reduced Alert Enable
When enabled Performance Reduced Alert Enable
activates the Performance Reduced Alert.
Performance Information
Performance Information Alert
This alert is active if the instrument has detected a
condition that may pertain to control performance.
Performance Information Alert Enable
When enabled Performance Information Alert Enable
activates the Performance Information Alert.
PlantWeb Alert Enable
Field Communicator
TB
>
Configure/Setup
>
Detailed Setup
>
Alerts
>
PlantWeb Alert Enable
Failed Enable
Failed Enable (FAILED_ENABLE [62]) enables or
disables conditions that can cause a failed alert. A
failed alert indicates a failure within the device that will
make the device or some part of the device
non-operational. Table C-2 lists the available
PlantWeb alerts.
4