Thermowell Calculation Window - Intergraph Smart Instrumentation - Help

Intergraph Smart Instrumentation Help

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English
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Intergraph Smart Instrumentation
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Smart Instrumentation Version
13.1

The Thermowell Calculation window allows you to view and edit the status of the selected temperature (thermowell) instrument. This window displays the process data for the selected temperature (thermowell) instrument. If this is a new tag that you just created in the Calculation module, the process data section of the window will be blank. Select the required fluid state , and the process data section will become available for data entry. Some process data properties may vary depending on the selected fluid state.

Note that selecting Line or Equipment from the Location list also alters the window options accordingly: Line size and Line number for Line and Equipment name for Equipment.

To access this window, select Temp Calc icon 16bit and then select an instrument tag.

Fields that are mandatory for calculations appear with either cyan or yellow background highlighting, according to the following definitions:

  • A cyan background indicates that you must enter a value on the process data sheet.

  • A yellow background indicates that you may enter a value on the process data sheet, or you can leave it blank and enter a value for that field later on the calculation sheet.

To activate the highlighting option, select Options > Highlight Process Data.

The Thermowell Calculation window contains the following sections:

General

the selected instrument's service, line properties, and fluid properties.

Properties

the current instrument's process data values

Additional Properties

enter or modify additional properties for the selected instrument.

Alarm

enter or modify alarm and trip settings for the selected instrument.

API 2540 Standard

calculate liquid density at operating and base conditions in accordance with the API 2540 standard.

User-Defined Fields

enter or modify custom field values in fields defined by the Domain Administrator for the current plant.