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Yes,

If fc 1 called from ob1 its not counting seconds, but program scans, you need to call it from ob 35. whats the purpose of m1.0 it doesnt do anything in fc1....

You right, to count seconds you need to compare it with 10.
program works fine with 10. may be you download FC1 with comparison to 10 when db1.db0 was greater then 10? in that case program wont work unless you set db0.dbd0 less then 10.

fc1 called from ob 35?

AlexandrNK здесь данные передаются через индерект адрес, с исползованием 32 битного поинтера. в структуре 32битного поинтера в трех первих битах передается номер бита, с третьего по восемнадцатый бит -ето баит адрес. так как вы читаете dword, 3 первих бита ==0. поетому sld 3 последняя строка---> пер...

That is right Sigma Air Manager uses profibus for communication with compressors or profibus expanders, unfortunately HMI or PLC can't be connected to profibus

Does anybody know how to establish communication between S7-300 and kaeser Sigma air manager, via send/receive protocol???
examples will be highly appreciated.

try this:
https://rapidshare.com/files/3284892899 ... InHour.ACD
i hope, that i understand your problem right.
some improvements are required for this program (midnight time for example), but i think, it does what you need.

And i count only 5 times

Hi,
I needed to send some commands to Intouch by Email, so I wrote this little program. May be it will be useful to somebody else

https://rapidshare.com/files/2307615999/RemOO.rar