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Configure Update Deadband VI

LabVIEW 2013 Datalogging and Supervisory Control Module Help

Edition Date: June 2013

Part Number: 371618J-01

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Owning Palette: Variables & I/O Servers VIs

Requires: DSC Module

Configures the update deadband settings of a shared variable.
Note  You can configure update deadband settings of network-published shared variables only.

variable reference in specifies a reference number for a shared variable. Use the Create Shared Variable VI to create a refnum for a shared variable.
update deadband settings specifies the update deadband settings of the shared variable.
enable? specifies whether LabVIEW sets deadbands for the shared variable. If you set this input to TRUE, LabVIEW updates the value of a shared variable only when the percentage difference between the new value and the previous value equals or exceeds the deadband. The default is FALSE.
source specifies the deadband percentage of the engineering scale range when the source changes the shared variable value. When the source changes the value of the shared variable, the Shared Variable Engine (SVE) accepts the new value only if the change is greater than or equal to the deadband. The default is 0.
user specifies the deadband percentage of the engineering scale range when the user changes a share variable value. When the user changes the value of the shared variable, the SVE accepts the new value only if the change is greater than or equal to the deadband. The default is 0.
reset when disabled? specifies whether to reset the value of update deadband settings to the initial state when you disable update deadband. If reset when disabled? is TRUE, LabVIEW resets the value. If reset when disabled? is FALSE, LabVIEW retains the value. The default is FALSE.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
variable reference out returns the shared variable refnum that you wire to the variable reference in input.
error out contains error information. This output provides standard error out functionality.

 

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