DVC6000f Series
March 2006
7-6
Pressure A
Pressure A (PRESSURE_A.VALUE [36.2]) shows the
value of Output Pressure A in psi, bar or kPa.
Pressure B
Pressure B (PRESSURE_B.VALUE [37.2]) shows the
value of Output Pressure B in psi, bar or kPa.
Pressure Diff
Pressure Differential (PRESSURE_DIFF.VALUE
[38.2]) shows the value of the output pressure
differential in psi, bar or kPa.
Temperature
Temperature (TEMPERATURE [48]) displays the
internal temperature of the instrument in either
degrees Fahrenheit or Celsius.
Tvl/Press State
Travel/Pressure State (TVL_PRESS.STATE [41.2])
indicates if the instrument is being used for travel
control (position control) or as an I/P (pressure control)
Input Char
Input Characteristic (INPUT_CHAR [50]) defines the
relationship between the travel target and ranged set
point. Ranged set point is the input to the
characterization function. If the zero control signal
equals closed, then a set point of 0% corresponds to a
ranged input of 0%. If the zero control signal equals
open, a set point of 0% corresponds to a ranged input
of 100%. Travel target is the output from the
characterization function.
Cycle Count
Cycle Counter (CYCLE_COUNT [73]) records the
number of times the travel changes direction. The
change in direction must occur after the deadband has
been exceeded before it can be counted as a cycle.
Travel Accum
Travel Accumulator (TRAVEL_ACCUM [72]) indicates
the total change in travel, in percent of ranged travel.
The accumulator only increments when travel exceeds
the deadband. Then the greatest amount of change in
one direction from the original reference point (after
the deadband has been exceeded) will be added to
the Travel Accumulator.
Tvl Count
Travel Count (TVL_COUNT [43.1]) is the Travel
Sensor readback displayed in A/D counts.
Tvl Press Status
(TB > Display > Tvl Press Status)
The following parameters are contained in the Tvl
Press Status menu of the transducer block.
Travel
Travel (TRAVEL.VALUE [34.2]) indicates the value of
the DVC6000f Series digital valve controller travel in
percent (%) of travel. Travel always represents how
far the valve is open.
Travel Status
Travel Status (TRAVEL.STATUS [34.1]) indicates a
fault that makes the travel measurement bad or
prevents the actuator from responding. This
information is passed along with each transmission of
the travel in the form of a status attribute.
Supply Press
Supply Pressure (SUPPLY_PRESSURE.VALUE
[35.2]) shows the value of the supply pressure in psi,
bar, or kPa.
Supply Press Status
Supply Pressure Status
(SUPPLY_PRESSURE.STATUS [35.1]) shows the
validity of the Supply Pressure value.
Pressure A
Pressure A (PRESSURE_A.VALUE [36.2]) shows the
value of Output Pressure A in psi, bar, or kPa.
Pressure A Status
Pressure A (PRESSURE_A.STATUS [36.1]) shows
the validity of the Output Pressure A value.
Pressure B
Pressure B (PRESSURE_B.VALUE [37.2]) shows the
value of the Output Pressure B in psi, bar, or kPa.
Pressure B Status
Pressure B Status (PRESSURE_B.STATUS [37.1])
shows the validity of the Output Pressure B status.
Pressure Diff
Pressure Differential (PRESS_DIFF.VALUE [38.2])
shows the value of the output pressure differential in
psi, bar, or kPa.
Pressure Diff Status
Pressure Differential Status (PRESS_DIFF.STATUS
[38.1]) shows the validity of the pressure differential
status.
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