参数表节选：的技术参数  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