OPC is the standardized software interface determined for applications monitoring and controlling fast processes. The interface is of the client-server architecture.
In the PROMOTIC system there is available the common "connector" (the PmaOpcClient object) for the link-up to arbitrary OPC servers.
The most common using is the link-up of the PROMOTIC system to OPC communication servers of other producers. For example:
For the further information about the OPC interface, see Communication by OPC interface.
Usage of the PmaOpcClient object is bound to the purchase of the PmOpcClient license. With the freeware version PmFree, or when developing the application (with development environment for tersting purposes), this component is always functional.