Version: 7.9

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.

Enables or disables an OPC server connection.

Writes a value directly through an OPC server connection synchronously.

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