NCN3-F31K-B3B-B31

General specifications Switching element function programmable Rated operating distance 3 mm Installation flush mountable Output polarity AS-Interface Assured operating distance 0 ... 2.43 mm Reduction factor r Al 0.5 Reduction factor r Cu 0.45 Reduction factor r 304 1 Reduction factor r St37 1.2 Slave type A/B slave AS-Interface specification V3.0 Required master specification greater or equal V2.1 Nominal ratings Operating voltage 26.5 ... 31.9 V via AS-i bus system Switching frequency 0 ... 100 Hz No-load supply current less than or equal to 35 mA Functional safety related parameters MTTF d 842 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Indicators/operating means LED IN switching state (input)- LED yellow LED OUT binary LED yellow/red yellow: switching state red: lead breakage/short-circuit Compliance with standards and directives Standard conformity Electromagnetic compatibility EN 50295:1999-10 Approvals and certificates UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval CCC approval / marking not required for products rated less than or equal to 36 V Ambient conditions Ambient temperature -25 ... 70 °C (-13 ... 158 °F) Mechanical specifications Connection (system side) screw terminals Core cross-section (system side) 1.5/2.5 mm 2 flexible/rigid Connection (valve side) screw terminals Core cross-section (valve side) 1.5/2.5 mm 2 flexible/rigid Housing material PBT Sensing face PBT Degree of protection IP67 Material Housing PBT Tightening torque, housing screws 1 Nm Tightening torque, cable gland M20 x 1.5 - max. 7 Nm M12 x 1.5 - max. 3 Nm Note valve voltage limited to 26,4 V max.- valve power 2,5 W max.