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Fisher FIELDVUE DVC2000 Instruction Manual Supplement

Fisher FIELDVUE DVC2000
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Instruction Manual Supplement
D103783X012
DVC2000 Digital Valve Controller
September 2017
17
Additional Device Status
Command 48 returns 8 bytes of data, with the following status information:
Byte Bit Name of Status Bit Meaning
0
7 Flash Integrity Failure
1,2
Active if there is a failure associated with flash ROM (read only
memory).
6
Temperature Compensation
Data Integrity Error
1,2
Active if the microprocessor detects a fault in the temperature
compensation data.
5 Reference Voltage Failure
1,2
Active if there is a failure associated with the internal voltage
reference.
4 Drive Current Failure
1,2
Active when the drive current to the I/P converter is not flowing as
expected.
3 Critical NVM Failure
1,2
Active if there is a failure of nonvolatile memory used for
configuration data critical for instrument operation.
2 Temperature Sensor Failure
1,2
Active when the instrument temperature sensor fails or the sensor
reading is outside of the range of 60° to 100°C (76° to 212°F).
1 Pressure Sensor Failure
2
Active if the pressure sensor reading is outside the range of 24.0%
to 125.0% of the calibrated pressure for more than 60 seconds.
0 Travel Sensor Failure
1,2
Active if the sensed travel is outside the range of 25.0% to 125.0%
of calibrated travel.
1
7 Alert Record Not Empty Alert
2
Active when there are 1 or more alerts stored in the alert record.
6 AutoTune in Progress
2
Active if AutoTune Routine is in progress.
5 Calibration In Progress Alert
2
Active when calibration is in progress.
4 Diagnostics in Progress Alert
2
Active when a diagnostic test is in progress.
3 Pressure Fallback Active Alert
Active when the instrument has detected a problem with the travel
feedback and is now controlling the output like an I/P transducer.
2 Custom Characterization
Custom Characterization in Effect active if the user-defined Custom
Characterization is enabled.
1 Input Characterization
Input Characterization in Effect active if any of the user-defined
Characterizations other than “Linear” is enabled.
0 Auto Cal in Progress Alert
2
Active when auto calibration is in progress.
2
7 Reserved
6 Reserved
5 Cycle Counter Alert
2
Active if the Cycle Counter exceeds the Cycle Count Alert Point.
4
Travel Accumulator High
Alert
2
Active if the Travel Accumulator exceeds the Travel Accumulator
Alert Point.
3
Instrument Time is Invalid
Alert
Active if the instrument has been powered down since the last time
the instrument clock was set.
2 Alert Record Full Alert
2
Active when the alert record contains the maximum number of 20
alerts.
1 Offline / Failed Alert
2
Active if a shutdown alert has put the DVC2000 in a failed state.
0 Reserved
"Reserved" bits are always set to 0.
1. Sets “Field Device Malfunction”.
2. Sets “More Status Available”.
(continued)

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Fisher FIELDVUE DVC2000 Specifications

General IconGeneral
ManufacturerFisher
CategoryController
Device TypeDigital Valve Controller
Communication ProtocolHART
Input Signal4-20 mA
Enclosure RatingNEMA 4X, IP66
Operating Temperature-40 to 85°C (-40 to 185°F)
MaterialAluminum
Power SupplyLoop Powered
DiagnosticsAdvanced diagnostics
Output Signal4-20 mA
CertificationsATEX, IECEx, CSA, FM
MountingIntegral mounting to actuator

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