Command: OPCSetWaitValid

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Command: OPCSetWaitValid

Specifies whether, and how long, DIAdem waits until the OPC block receives valid measured values from the OPC server.

Input Parameters

OPCWaitValid

Specifies whether DIAdem waits for valid values from the OPC server, after the start of a measurement. Longinteger variable 0 <= OPCWaitValid <= 1 The OPCWaitValid variable can contain the following values: Value Meaning 0 DIAdem starts the measurement without waiting for valid measurement values from an OPC server. 1 After the measurement starts, DIAdem waits until all measurement points of the OPC block receive valid values from the OPC server.

OPCTOWaitValid

Specifies the time in milliseconds that DIAdem waits for valid values from the OPC server, after the start of the measurement. Longinteger variable 1 <= OPCTOWaitValid <= 1000000

Note  If the OPC block does not receive any valid measurement values from the OPC server within the period of time specified by the OPCTOWaitValid variable, DIAdem executes the action that is specified in the OPCSetErrAction.

Note  You must use the following object hierarchy to execute this command: Call DACObjOpen(BlockName)     Call OPCSetWaitValid(Value1,Value2) Call DACObjClose(BlockName) You need the DAC block name to open the DAC block, to execute the command, and to close the DAC block. Refer to Accessing Objects in DIAdem DAC for more information.

Related Topics

Command: OPCGetAutoValid | Command: OPCGetBlockParam | Command: OPCGetConnMode | Command: OPCGetLogFile | Command: OPCGetSigParam | Command: OPCLogGetVerb | Command: OPCLogSetVerb | Command: OPCSetActiveFlag | Command: OPCSetArrAccess | Command: OPCSetAutoValid | Command: OPCSetChkAS | Command: OPCSetConnMode | Command: OPCSetDeadBand | Command: OPCSetDeviceRead | Command: OPCSetErrAction | Command: OPCSetItemID | Command: OPCSetLogFile | Command: OPCSetMode | Command: OPCSetServer | Command: OPCSetSigName | Command: OPCSetToSync | Command: OPCSetUpdRate | Command: OPCSyncListLen