mavitrols Posted May 31, 2012 Report Share Posted May 31, 2012 Hi, We are developing the VB based communication with vision 570 PLC to read & write the MB, MI, ML, & MF using rs232. during run time the following error is shown pl. give me the solution. regards mahesh joshi error_message.doc Quote Link to comment Share on other sites More sharing options...
Saragani Posted June 1, 2012 Report Share Posted June 1, 2012 Did you add a reference to the ActiveX Communication Driver? Quote Link to comment Share on other sites More sharing options...
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