Guest alielectrical Posted May 12, 2004 Report Posted May 12, 2004 Dear Sir, I have about 10 Siemens 505, having encoder input. I wish to monitor the speed of all the 10 plc's. What is the best way? Should I get the info from RS232, or have ethernet card installed? How do I poll them? What would be the easy and cost effective solution? Thanks in advance. Ali Quote
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