Serial Settings:Discard NUL Characters

LabVIEW 2018 Help

Edition Date: March 2018
Part Number: 371361R-01
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Short name: Discard NUL

Requires: Base Development System

Classes: Instr, Serial Instr

Specifies whether to discard each data byte whose value is 0. If this property is TRUE, read operations discard NUL characters. If this property is FALSE, read operations treat NUL characters as normal data characters. For binary transfers, set this property to FALSE. The default is FALSE.


The following table lists the characteristics of this property.

Data type
Permissions Read/Write


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