BECKHOFF    I/O       EtherCAT Terminals          EK1xxx, BK1xx0 | EtherCAT Coupler          EKxxxx | Bus Coupler          EL1xxx | Digital input          EL2xxx | Digital output          EL3xxx | Analog input          EL4xxx | Analog output          EL5xxx | Position measurement          EL6xxx | Communication          EL7xxx | Compact drive technology          EL9xxx | System          ELMxxxx | Measurement technology          ELXxxxx | Explosion protection (Ex i)          ELxxxx-0020/-0030 | Calibration certificates          ELxxxx-0090 | TwinSAFE SC          ELx9xx | TwinSAFE ABB VIGER M-DRIVER EMKO KLEMSAN HENSEL SIGMA PLASTIM FASTECH GGM BROTHER RITTAL EBMPAPST TP ELECTRIC ARGO SIKO KST SOLAR ENERGY SENSORTECH SYSTEMS