471EFR2D.. Elobau eloFlex 471EFR...Configurable safety assessment unit with max.4 independent safety inputs (2-channel) and 4 safety outputs (2-channel) as well as 4 control outputs.The internal logic link is configured specifically for each customer.The following logic/safety functions are available:- AND- OR- XOR- NAND- NOR- XNOR- NOTFurther functions:- tON / tOFF- Safetyfunction- 2-Hand- Safetygate- E-stop- N.O. / N.O. or N.C. / N.O