Enable/disable the automatic data update.
Property access for read and write
. The preset value of this property is defined in the "Refresh from server at server change
" configurator of this object.
Tha data group of the OPC client (the PmaOpcDaClientGroup
object) that has this property set to true
, requires the ongoing update of all its data from the OPC server. The server sends the value to such client automatically at a change of the value on the server.
Because the update of the requested data could pass uncertainly very fast, the parameters for the update can be specified - see UpdateRate
property and Deadband
var oOpcGroup = pMe.Pm("/OpcClient/Group1");
var bUpdate = oOpcGroup.Update;
// Reading the value
oOpcGroup.Update = true;
// Writing the value