OPC Error Code

原链接：OPC Error Code

Errors Code

1. Citect OPC Errors-

Protocol	Mask	Message	Comment
	100	Failed to access variable dbf
	101	Read of data value was bad	No reply from server either server not running,tag status bad or tag not exist on server
	102	Write of one or more items failed
	103	Could not resolve the server CLASSID
	104	Could not add one or more items to the Server

2. Standard OPC Server Errors(0xCnnnnnnn)-

Protocol	Mask	Message	Comment
OPC	C0040001	The value of the handle is invalid.
	C0040002	A duplicate parameter was passed
	C0040004	The server cannot convert the data type between the requested data type