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Hello everybody, Im wondering if you could help me. Im currently doing a project using the V570 and need some help. What im trying to do is setup a login screen were you would have to scan a barcode made specifically for an operator to allow said operator to acess the work screen. My own idea on how to do this would be to save the barcode into the PLCs memory and then use a Comparison function block so when the barcode scans a different barcode, it won't register it but if it scans the same barcode, it will operate and proceed to the next screen. So i suppose what im asking is, is the