Communications between Simatic S7-200 Smart & Simatic Wincc V7.0 SP3

I am working with a project having S7-200 Smart ST60 CPU & KTP600 basic mono PN. Now i need to configure it win cc v7.0 sp3. IP Addresses as below: ST60 : 192.168.2.1 KTP600 : 192.168.2.2 Win cc PC : 192.168.2.9

i tried to connect ST60 only with Wincc PC. but no positive report. How should i go ahead?? i made all graphics n all other req. things. But couldn’t established communication. please guide me how should i go ahead. Is there any documents available??

Thanking you in advance.

Best Regards,

Henish J. Chahwala