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Variables & I/O Servers VIs

LabVIEW 2013 Datalogging and Supervisory Control Module Help

Edition Date: June 2013

Part Number: 371618J-01

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Owning Palette: Engine Control VIs

Requires: 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, configure, 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.
Configure AlarmingConfigures the alarm settings of a shared variable.
Configure DescriptionConfigures the description of a shared variable.
Configure Initial ValueConfigures the initial value of a shared variable.
Configure LoggingConfigures the logging settings of a shared variable.
Configure NetworkConfigures the network settings of a shared variable.
Configure ScalingConfigures the scaling settings of a shared variable.
Configure Update DeadbandConfigures the update deadband settings of a shared variable.
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 (SVE).

You also can use this Express VI to configure or replace an existing I/O server.
Create Shared VariableCreates a shared variable of the given name and type in the specified process. The shared variable that you want to create replaces an existing shared variable if the two shared variables have the same name.
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 (SVE).
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 or remote targets.
Get Shared Variable TypeReturns the data type of a shared variable.

 

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