Response Electronics CL6011B Specifiche Scaricare il pdf (Pagina 257)

4Ć175Target Data Configuration

Original Ć June 1990 CE4.2:CL6211

Absolute Pressure Conversion Ċ The value required to convert the

gauge pressure to absolute pressure, in engineering units. The

controller uses this value to calculate K for the Ideal Gas equation. The

valid range is any floating point value.

Absolute Temperature Conversion Ċ The value required to convert the

temperature to degrees Rankine or Kelvin. The controller uses this value

to calculate K for the Ideal Gas equation. The valid range is any floating

point value.

Gas Compensation Type Ċ This configuration item is used to select the

type of compensation; PRESSURE, TEMPERATURE or

PRESSURE/TEMPERATURE. This configuration item is only valid if

SQRT GAS FLOW, LINEAR GAS ORIFICE, or LINEAR GAS TURBINE has

been selected as the PT Compensation Type.

Intercept for Density Equation Ċ Represents the intercept of the

density curve. This configuration item is only valid if SQRT LIQ FLOW,

LINEAR LIQ ORIFICE, or LINEAR LIQ TURBINE have been selected as

the PT Compensation Type. The intercept may be any floating point

value.

Meter Calibration Density Ċ The value entered here should be taken

from the flow device specification sheet. The specification sheet should

have an operating condition for design density (density at flowing

conditions). This configuration item is only valid if SQRT LIQ FLOW,

LINEAR LIQ ORIFICE, or LINEAR LIQ TURBINE have been selected as

the PT Compensation Type. The valid range is any floating point value.

Meter Calibration Pressure Ċ The value entered here should be taken

from the flow device specification sheet. The specification sheet should

have an operating condition for design pressure (flowing pressure). The

controller expects this value to be relative, for example, PSIG as

opposed to PSIA. The units used also need to be consistent with the

units entered for absolute conversion. The valid range is any floating

point value.

Meter Calibration Temperature Ċ The value entered here should be

taken from the flow device specification sheet. The specification sheet

should have an operating condition for design temperature (flowing

temperature). The controller expects this value to be relative, for

example, DEG C as opposed to DEG K. The units used also need to be

consistent with the units entered for absolute conversion. The valid

range is any floating point value.

PT Compensation Type Ċ This configuration item is used to select the

type of compensation. The choices are SQRT GAS FLOW, LINEAR GAS

ORIFICE, LINEAR GAS TURBINE, SQRT LIQ FLOW, LINEAR LIQ

ORIFICE, and LINEAR TURBINE.

Pressure Source Ċ The pressure source is the tag of the point which

provides the pressure value to the pressure/temperature compensation

function. This tag may be up to twelve characters in length.

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Response Electronics CL6011B Specifiche Pagina 257

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