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We are planning S-7 300 24 VDC plc to control barge unloader operation. It has flexible cables travelling through fastoon cable trollies to operator cabin where the profibus station is installed. Distance is 225 mtr. My question is that whether we can use profibus cable where the cable is subjected frequement movement and tention applied pulling and pushing. Incase of fault in profibus cable will the system malfunction and collapse. One more doubt - can we use wireless connections in place of profibus. i/o 50 nos 4-20 mA 6 nos counter 2 nos. PLEASE ADVISE