It allows to inform the OPC server about using the data group by the OPC client
Property access for read and write
. The preset value of this property is defined in the "Active after start
" configurator of this object.
The data group of the OPC client (PmaOpcDaClientGroup
object) that has this property set to false
, informs the OPC server about not using these data at the moment. The OPC server can then optimize its behavior.
Automatic update will not be performed over an object that has this property set to false
, the Refresh
methods will not work and when writing to the variable, the value will not be transferred to the OPC server.
var oOpcGroup = pMe.Pm("/OpcClient/Group1");
var bActive = oOpcGroup.ActiveGroup;
// Reading from the property
oOpcGroup.ActiveGroup = true;
// Writing into the property
: If this property is set to false
, then the value is not passed to to the OPC server
when writing to the variable.