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Variables & I/O Servers VIs

Owning Palette: Engine Control VIs

Installed With: DSC Module. This topic might not match its corresponding palette in LabVIEW depending on your operating system, licensed product(s), and target.

Use the Variables & I/O Servers VIs to create and delete a shared variable; to commit multiple shared variables; or to create, configure, or delete an I/O server.

The VIs on this palette can return general LabVIEW error codes or specific DSC Module error codes.

Palette ObjectDescription
Commit Shared VariablesCommits multiple shared variables to the Shared Variable Engine simultaneously.
Create and Configure IO ServerCreates a new Modbus, Modbus Slave, or OPC Client I/O server and adds the I/O server to the Shared Variable Engine.
Create Shared VariableCreates a shared variable of the given name and type in the specified process.
Delete IO ServerRemoves a Modbus, Modbus Slave, or OPC Client I/O server from the Shared Variable Engine. You can wire the I/O server URL out output of the Create and Configure IO Server Express VI to the I/O server URL input of this VI to delete the specified I/O server programmatically.
Delete Shared VariableRemoves an individual shared variable from the Shared Variable Engine.
Get Shared Variable ListReturns a list of all the shared variables associated with a given process in the Shared Variable Engine on the host computer.

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