Select the access type of the element to restrict the client access to the element. Possible types are read only, write only and read & write.
Read only |
The OPC client can only read data from the item. Note: A write request to the client leads to an access error. |
Write only |
The OPC client application can only write data to the item. Note: This setting leads to read errors if the client tries to retrieve data from the item. |
Read & Write |
With this option, data can be read from and written to the item. |