Siemens 4-531-2131 Description Description Siemens Siemens CNC Control Card Related products SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1790L811A SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1FK6060-6AF71-1TG0 SIEMENS 1FK6042-6AF71-1TB0