The object connects the PROMOTIC application (as OPC client) to the OPC server.
In the PmaOpcDaClient
object it is possible to create the PmaOpcDaClientGroup
object where required data are defined. There can be more PmaOpcDaClientGroup
objects in the PmaOpcDaClient
This object can be created in objects: PmaRoot
. Multiple objects of this type can be created in such objects.
The usage of the PmaOpcDaClient
object requires purchase of the "PmOPC" licence
. With the freeware version PmFree
, or when developing the application (with development environment
for testing purposes), this component is always functional.
object can be connected to the OPC server. For the OPC standard description see Communication by OPC DA interface
The OPC server can be on the same or on another computer as the PROMOTIC application. If it is on another computer (see the "Run on computer
" configurator), then it is necessary to set the DCOM
network service correctly. See: Configuration of the DCOM interface for OPC-DA server