Elobau 485 EPE 08 eloProg input expansion 485 EPE 08 The input expansion makes 8 or 16 additional safety inputs respectively available. A maximum of another 4 extensions can be connected to the base module. This way, a maximum number of 72 safety inputs can be achieved.+ 8 safety inputs (485EPE08)+ 16 safety inputs (485EPE16)+ 4 test outputs for sensor monitoring