help me expert
what is the function of port-dp on fm 458 1-dp?
and whether the port can be used to download and monitorig CFC programs?
What, I can online CFC program at 458 fm. but my usb adapter connect to the PLC MPI port?
why when I was online in step 7 fm icon 458 previously existing CFC program. but when the CFC program online just lost fm 458 icons only. but when offline, the CFC program reappears.
is it normal?