SIEMENS 6AV3971-1XD03-0AA0 Description Description SIEMENS MEMORY SUBMODULE FOR OP30 V2.01 W. OPER. SYSTEM IN 256KB EPROM AND 256KB FLASH-EPROM Related products SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FN3050-4SA00-0AA0 SIEMENS 1FK6060-6AF71-1TG0