Same with Rockwell (Allen-Bradley) PLCs. You download a program to the PLC, and upload a program from a PLC. I always assumed the naming confusion for those wa

Same with Rockwell (Allen-Bradley) PLCs. You download a program to the PLC, and upload a program from a PLC. I always assumed the naming confusion for those was just a matter of perspective; if you are thinking about a "download" from the perspective of the PLC receiving the file or the user sending the file.