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Created by: Eşen at: 3/4/2009 3:36 PM (1 Replies)

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3/4/2009 3:36 PM	Rate (0)
Eşen Posts: 12 Rating: (0)	Hello; I don't understand how local data's in function blocks communicate with the WINCC and also how did they get information from my PLC in Simatic S7 V5.4?
Eşen Posts: 12 Rating: (0)
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3/4/2009 5:23 PM	Rate (0)
Eastern Posts: 557 Rating: (64)	hi local data is never communicate from wincc/hmi. it is use only with in the subroutine(FC,FB,OB). & Also update in each & every scan. DB,M MEMORY INPUT OUTPUT You can only fetch & write from PLC, IF you have configure in that information memory in wincc. Wincc is fetch & write the information from plc memory location in one define time which we are configuring in wincc & we use to define communicating protocal in wincc. regards vivek
Eastern Posts: 557 Rating: (64)
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