IEBCOPY is not going to write to a PC file. Nor is IEB-anything going to read or write to a PC file.
Well, it might be able to write to a USS file, but that is not the same and I don’t work with USS. ( USS = UNIX System Services.)
Your z/OS dataset is in EBCDIC probably.
Your PC file will be in ASCII, probably.
FTP not only moves the file, it also translates it. That’s his job. That’s what he does.
IEBCOPY’s job is to copy datasets or members. That’s what he does.
Why can’t you use FTP?
usual caveat – the information here is thought to be correct and it is as far as I know …