Siemens 6ES5431-8MD11 Description Description Siemens Digital input Related products SIEMENS 1FK7022-5AK71-1AG0 SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1FK7011-5AK71-1TG3 SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FK7060-5AF71-1FH3
