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We are developing a project using Vision 570 PLC having 12 analog input and 128 Digital IO.

We want to establish direct communication with vision 570 so we can read & write the specific MBs, MIs, MLs, and Mfs,. We develop the program accordingly vin VB6. Previously we have down loaded sample communication file from net as per your suggestions.That file was working properly. We have used sam logic in our VB program which was running. Due to some problem in our PC we had to format hard disk after that we have down loaded same sample file from the site now it is not working showing that compile error . During run time the program reads

private mcomdriver as uncmdrv1.clscommdriver

private withevents methservice as umcmdrv1.clsethservice

It show compile error at this point it dosen't proceed further

pl. give us solution on the subject so that we directly access the PLC which can be directaly incorporated with the variable defined in VB6

Thanks & regards

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