The OPC Client could not read the necessary data. The block write failed because there was no data toĪ duplicate block write was detected. The OPC Client could not process the block write.īlock writes are disabled however, a database block This error occurs when you write to a read-only item. The item does not have sufficient access rights. The OPC server cannot accept the data type of the The data you are writing is out of range. The OPC server accepted the data you are writing, That the item is enabled and communicating. The item to ensure the item ID and the access path are valid. OPC server however, server did not return data for the item. The driver made an asynchronous connection to the The quality of the item is no longer Good. The specified access path is invalid or unknown by The specified item ID is invalid or unknown by the Refer to the driver’s Event window for a more detailed explanation. With the OPC server, but the request failed.Īn exception was generated based on a call to the The driver attempted to break an asynchronous connection Server supports asynchronous communications. The driver attempted to establish an asynchronousĬonnection with the OPC server, but the request failed. The OPC server sent an asynchronous callback containing Typically, this error occurs when you attempt to write data to a read-only The OPC server rejected a write request for this item. Typically, this error occurs when you attempt to read data from The OPC server for this item’s group rejected a read The server cannot handle or does not support the requested The server cannot change the client handle for the Typically, this error occurs when you select the item’sĮnable check box and the server rejects the request. The driver cannot change the active state of the item To memory for access for iFIX NIO applications. The item cannot copy its data, timestamp, or quality To learn more about MissionĬontrol errors, refer to one of the following:Īny error that does not fall into any other category. In the Last Error field of the selected item. To view an error, select an item from the Treeīrowser and select Stats Mode from the Display Mode menu. The following table lists the errors that appear Error codes display in the Power Tool’s statistics display and in MissionĬontrol’s DRVST fields.
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