communication with s7

communication with s7

hi;
I have problem connecting zenon with s7-400 using PC-Adaptor,
I have zenon, HardLock doungle and PLC,
what step do I have to do for having comunication?
thanks

This is a migrated post! Originally posted on 02.09.2015 by user ameic. Please be aware that information can be outdated.