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Publishing Latest Values with Shared Variables

LabVIEW 2013 Help

Edition Date: June 2013

Part Number: 371361K-01

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Publishing Latest Values with Shared Variables



Understanding Shared Variable Technology

Changing the Default Ports for TCP-Based NI-PSP
Configuring Firewalls and Network Address Translating Routers for Shared Variables

Creating Shared Variables
Configuring Shared Variables
Choosing a Method of Reading and Writing Shared Variables

Reading and Writing Shared Variables Programmatically

Variable Identifier URLs
Variable Identifier URL Escape Codes
Using Variable Methods

Reading and Writing Shared Variables with Shared Variable Nodes
Reading and Writing Shared Variables with the Variable Web Service

Resources Exposed by the Variable Web Service

Finding Out Basic Information about a Shared Variable
Reading the Value of a Variable
Writing to a Variable
Writing to Multiple Variables Simultaneously
Creating a Variable Group
Deleting a Variable Group
Reading a Variable Group

Getting Variable Updates
JSONP Support

Reading and Writing Shared Variables with Controls and Indicators

Binding Shared Variables and Other NI-PSP Data Items to Controls and Indicators
Troubleshooting Front Panel Data Binding

Writing Shared Variables with Existing Data Sources
Reading and Writing Shared Variables with the DataSocket Functions

Sharing Live Data Programmatically
DataSocket Functions and Variant Data
Using Buffering with DataSocket Functions
Programmatically Opening and Closing Data Connections
Writing Live Data Programmatically
Specifying the Buffer Size Using DataSocket Functions
Reading the Buffered Data a Server Writes
Monitoring the Buffer Size of a Data Connection
Reading and Writing Live Data Using DataSocket Functions
Buffering Data
Reading Live Data Programmatically
Binding DataSocket Server Items to Front Panel Objects

Controlling a Front Panel Control Remotely Using the dstp, opc, ftp, http, or file Protocol
Enabling the dstp, opc, ftp, http, or file Connection for a Control
Reading Front Panel Data Using the dstp, opc, ftp, http, or file Protocol
Writing Front Panel Data Using the dstp, opc, ftp, http, or file Protocol

Sending Shared Variable Data over the Network Immediately

Making Shared Variables Available on a Network


 

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