Siemens 6ed1057 1aa01 0ba0 logo usb pc cable siemens 6ed1057 1aa01 0ba0 p a cable assembly which connects a pc to a logo controller to download and upload programs written with logo soft comfort software the cable is for transfer of switching programs from a pc to logo and vice versa p siemens 6ed1057 1aa01 0ba0 logo usb pc cable