Version: 8.1

system.opc

OPC Functions

The following functions allow you to read, write, and browse OPC servers.

Allows browsing of the OPC servers in the runtime, returning a list of tags.

When called from a Vision Client, returns a list of OPCBrowseElement objects for the given server.

Allows browsing of OPC servers in the runtime returning a list of tags.

Returns a list of server names.

Retrieves the current state of the given OPC server connection.

Checks if an OPC server connection is enabled or disabled.

Reads a single value directly from an OPC server connection.

This function is equivalent to the system.opc.readValue function, except that it can operate in bulk.

Writes a value directly through an OPC server connection synchronously.

This function is a bulk version of system.opc.writeValue.

Enables or disables an OPC server connection.