opc.setDateDisplayFormat

Set display format of timestamp for OPC data objects

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Syntax

opc.setDateDisplayFormat(dateFmt)
newFmt = opc.setDateDisplayFormat(___)

Description

opc.setDateDisplayFormat(dateFmt) sets the display format of timestamp for OPC HDA data objects to dateFmt. The display format persists across MATLAB® sessions.

newFmt = opc.setDateDisplayFormat(___) sets the display format and also returns the new display format in newFmt.

example

Examples

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Load the OPC HDA example data set and set the display format. Display the timestamps and the corresponding values and quality readings of one of the loaded variables.

load opcSampleHdaData;
opc.setDateDisplayFormat('HH:MM:SS');
hdaDataSmall(1).showValues
    TIMESTAMP      VALUE       QUALITY
    ========  =============  ==========
    09:30:00       0.000000  Raw (Good)
    09:30:15       1.000000  Raw (Good)
    09:30:30       2.000000  Raw (Good)
    09:30:45       1.000000  Raw (Good)
    09:31:00       0.000000  Raw (Good)

Set the display format of timestamp to display date and time, and display the values again.

opc.setDateDisplayFormat('yyyy-mm-dd HH:MM:SS');
hdaDataSmall(1).showValues
         TIMESTAMP           VALUE       QUALITY
    ===================  =============  ==========
    2010-06-01 09:30:00       0.000000  Raw (Good)
    2010-06-01 09:30:15       1.000000  Raw (Good)
    2010-06-01 09:30:30       2.000000  Raw (Good)
    2010-06-01 09:30:45       1.000000  Raw (Good)
    2010-06-01 09:31:00       0.000000  Raw (Good)

Input Arguments

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Display format of timestamp for OPC HDA objects, specified as date format number, character vector, or string as defined by datestr.

Example: opc.setDateDisplayFormat('HH:MM:SS');

Data Types: char | string

Output Arguments

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Display format of timestamp for OPC HDA objects, returned as a character vector.

Version History

Introduced in R2011a

See Also

Functions