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Logging:Value Resolution Property

LabVIEW 2013 Help

Edition Date: June 2013

Part Number: 371361K-01

»View Product Info

Short Name: Logging.ValueRes

Requires: Base Development System

Class: Variable Properties

To Use: Create a property.

Gets or sets the resolution, in engineering units, for logging the shared variable value in the Citadel historical database. To use this property, you must install the LabVIEW Datalogging and Supervisory Control Module.

LabVIEW writes shared variables to the Citadel historical database in compressed format with the specified resolution. The default value is 0.1. Enter a value of 0.0 to write the exact value of the shared variable to the Citadel historical database. Logging the exact value requires more time and disk space. This option is available only for shared variables with a Data Type of Double or Single.

Note  You can enable logging only for network-published shared variables.

This property is similar to the Value Resolution option on the Logging page of the Shared Variable Properties dialog box.

Remarks

The following table lists the characteristics of this property.

Data type
PermissionsRead/Write
Available in Run-Time EngineNo
Available in Real-Time Operating SystemNo
Settable when the VI is runningYes
Loads the front panel into memoryNo
Need to authenticate before useNo
Loads the block diagram into memoryNo
Remote access allowedYes
Must wait until user interface is idleNo
Available with control VIsNo
Available with global VIsNo
Available with strict type definitionsNo
Available with polymorphic VIsNo

 

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