rslogix5000 socket initialization-1768 EWEB

Hi

I'm trying to communicate with 1768 eweb with Socket Interface.

the manual says that i must initialize a MSG instruction, and select Create Socket from the services list in the drop-down menu:




Now, I see all services about socket communication ("read socket", "delete socket", "write socket",....) but not "create socket". why?? I'm using rslogix5000 vers. 17... shouldn't I see it??

Look under letter "S": "Socket Create" is there

......2 hours......


good, there's another problem...

the manual says that I have to create an user-defined structure for Source Element:



but how can I create that data structure? Right click on DataTypes, New Data Type.. and then? "SockAddr" does not exist... and if I call new datatype "sockAddr" it tells me that this datatype is invalid,and I can't create the structure... is there a guide for creating new data structures?

You need to create SockAddr data type first, and use it to create all other datatypes
To save you some time get technote 32962 - this will have all info you need. You will have to change it to compactlogix
You may search KB for more samples - no need to develop from scratch