參數表節選：的技術參數 KFD2-SR2-Ex2.W General specifications Signal type Digital Input Functional safety related parameters Safety Integrity Level (SIL) SIL 2 Supply Connection Power Rail or terminals 14+, 15- Rated voltage 19 ... 30 V DC Ripple ≤ 10 % Rated current ≤ 50 mA Power dissipation ≤ 1 W Power consumption ≤ 1 W Input Connection side field side Connection terminals 1+, 2+, 3-; 4+, 5+, 6- Rated values acc. to EN 60947-5-6 (NAMUR) Open circuit voltage/short-circuit current approx. 8 V DC / approx. 8 mA Switching point/switching hysteresis 1.2 ... 2.1 mA / approx. 0.2 mA Line fault detection breakage I ≤ 0.1 mA , short-circuit I > 6 mA Pulse/Pause ratio min. 20 ms / min. 20 ms Output Connection side control side Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 Output I, II signal, relay Contact loading 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load Minimum switch current 2 mA / 24 V DC Energized/De-energized delay approx. 20 ms / approx. 20 ms Mechanical life 107 switching cycles Collective error message Power Rail Transfer characteristics Switching frequency ≤ 10 Hz Galvanic isolation Input/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Input/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Output/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Indicators/settings Display elements LEDs Control elements DIP switch Configuration via DIP switches Labeling space for labeling at the front Directive conformity Electromagnetic compatibility Directive 2014/30/EU EN 61326-1:2013 (industrial locations) Low voltage Directive 2014/35/EU EN 61010-1:2010+A1:2019+A1:2019/AC:2019 Conformity Electromagnetic compatibility NE 21:2017 , EN 61326-3-1:2017 , EN IEC 61326-3-2:2018 Degree of protection IEC 60529:1989+A1:1999+A2:2013 Functional safety IEC/EN 61508:2010 Input EN 60947-5-6:2000 Ambient conditions Ambient temperature -20 ... 70 °C (-4 ... 158 °F) Mechanical specifications Degree of protection IP20 Connection screw terminals Mass approx. 150 g Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2 Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
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