Hi
Could you give me some advise about this:
I have some PLCs connect with HMI (zenon 6.22 Sp1) but sometime my analogs data did not updated. It seem like "freeze" value but I check with web-browser connect to PLCs and saw that values changed. I used mms-ethereal for checking mms message but see nothing after that.
So could you give me some advise and can I use test connection software for testing about it?
Best regards.
This is a migrated post! Originally posted on 25.02.2010 by user skywalker. Please be aware that information can be outdated.