Siemens 4-531-2128D Description Description Siemens Siemens CNC Control Card Related products SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FT5072-0AC01-1-Z SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FK6032-6AK71-1TG0