Encoders are connected to SM 321 Digital Input. - Forum

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Encoders are connected to SM 321 Digital Input.

thinhdung Date: Tuesday, 2008-08-12, 7:01 AM | Message # 1 Private Group: Users Messages: 1 Reputation: 0 Status: Offline have PLC S7 300 with pulse Encoders are connected to SM 321 Digital Input. I need to write a program for this. How can I do that? Please help me.