Problem in reading data from OPC Read block

I am trying to read data from PLC via OPC server provided by Rockwell Automation using "opc read block of simulink". When I browse tag on my OPC sever, its navigation list is as shown below:

>opc server name

 >> offline
 >> online
  >>>input1
  >>>INPUT2

But when I am browsing in OPC read toolbox, when I click on "online", I am not able to navigate down to input1. It shows that " name space browsing is not available". How can I rectify this problem and navigate further in the list??

[Antonio D'Andrea]

I have the same problem...

Answer 1

[Andreas Harrer]

Hello,

if the OPC-Server is not local on your computer and runs on the "older" protocol OPC-DA, the dcom configurations of the server and the client have to be configured.

For more info go to https://de.mathworks.com/help/opc/ug/troubleshooting.html or search for "dcom configuration" on google.