Pepperl+Fuchs KFD2-SR2-Ex2.W.SM Standstill and Rotational Direction Monitor
General specifications
Signal type Digital Input
Programming via DIP switch and programmable
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 20 ... 30 V DC
Power consumption max. 1.5 W
Input
Connection side field side
Connection Input I: terminals 1+, 2+, 3- ;
Input II: terminals 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
Control input sensor power supply approx. 8.2 V, impedance 1.2 kΩ
Pulse duration > 200 µs for standstill monitoring,
> 250 µs for rotation direction detecion
Output
Connection side control side
Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
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
Trip value for standstill monitoring:
0.1 Hz; 0.5 Hz; 2 Hz; 10 Hz
adjustable via DIP switch (S1 and S2)
Transfer characteristics
Accuracy 5 % (S3 = I), 30 % (S3 = II)
Start-up override 5 seconds or 20 seconds, programmable
Frequency range ≤ 2 kHz
Rotation direction detection 90° phase difference between pulse input signal 1 and 2, overlapping ≥ 125 µs
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
Conformity
Electromagnetic compatibility NE 21:2006
Degree of protection IEC 60529:2001
Input EN 60947-5-6:2000
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °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
Similar model numbers:
KFA5-DWB-Ex1.D
KFA6-DWB-Ex1.D
KFD2-DWB-Ex1.D
KFD2-SR2-Ex2.W.SM
KFD2-UFC-Ex1.D
KFU8-UFC-Ex1.D
KFU8-UFT-Ex2.D
KFD2-UFT-Ex2.D
Any questions, feel free to contact us
jeff@hkxytech.com jeff@whxyauto.com +86-15072331761
