Emerson Fisher FIELDVUE DVC5000, Instruction Manual Supplement

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Instruction Manual Supplement
D103266X012
DVC5000 Digital Valve Controller
May 2018
18
Additional Device Status - DVC5000 Device Revision 3, Firmware 5, 6
Command 48 returns 7 bytes of data, with the following status information:
Byte Bit Name of Status Bit Meaning
0
7 Reserved
6 No Free Time
1,2
Active if the microprocessor detects a fault in the servo execution
period.
5 RAM Failure
1,2
Active if there is a failure associated with the internal RAM
memory.
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 non­volatile 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 any of the 3 pressure sensor readings are 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 Auto Cal in Progress Alert
2
Active when auto calibration is in progress.
6 Dynamic Bypass Enabled
2
Active if Dynamic Bypass is enabled.
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 High Performance in Effect
Active when the instrument is using the High Performance Tuning
Parameters.
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 PWB Set to “Multi-Drop”
2
Active is PWB switch is set to “Multi”
2
7 Reserved
6 Non­Critical NVM Alert
2
Active if there is a failure of non­volatile memory used for data not
critical for instrument operation.
5 Cycle Counter High 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
2
Active if the instrument has been powered down since the last time
the instrument clock was set.
2 Reserved
1 Offline / Failed Alert
2
Active if a shutdown alert has put the DVC5000 in a failed state.
0 Auxiliary Input Alert
2
Active when the AUX input is configured as an alarm switch and the
alarm is active
"Reserved" bits are always set to 0.
1. Sets “Field Device Malfunction”.
2. Sets “More Status Available”.
(continued)