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hello again, I tried to use RSLinx 2.56.00, but still nothing. Is it possible that manufacturer of the machine (where PLC is installed) blocked the connection somehow? thanks
Hello, I tried to connect to my CompactLogix L43 using WinXP & RSLinx v2.43.01.23 (CRP6) & USB-RS232 converter & cable as described in the L43 manual, but RSLinx cannot set connection to the PLC. What is wrong? Many thanks Zib