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Technical data
KFD2-SR2-Ex2.W.SM
2
Refer to "General Notes Relating to Fuchs Product Information".
Fuchs Group
USA: +1 330 486 0002
Singapore: +65 6779 9091
Germany: +49 621 776 2222
www.pepperl-fuchs.com
General specifications
Signal type
Digital Input
Programming
via DIP switch and programmable
Supply
Connection
Power Rail or terminals 14+, 15-
Rated voltage
U
n
20 ... 30 V DC
Power consumption
≤
1.5 W
Input
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 k
Ω
Pulse duration
> 200
µ
s for standstill monitoring,
> 250
µ
s for rotation direction detecion
Output
Connection
output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
Relay 2
changeover
contacts
Contact loading
253 V AC/2 A/cos
φ
> 0.7; 126.5 V AC/4 A/cos
φ
> 0.7; 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
10
7
switching cycles
Trip value
f
max
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
µ
s
Electrical isolation
Input/Output
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V
eff
Input/power supply
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V
eff
Output/power supply
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V
eff
Output/Output
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V
eff
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
Mass
approx. 150 g
Dimensions
20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mounting
on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection
with hazardous areas
EC-Type Examination Certificate
PTB 00 ATEX 2080
Group, category, type of protection
¬
II (1)G [Ex ia Ga] IIC
¬
II (1)D [Ex ia Da] IIIC
¬
I (M1) [Ex ia Ma] I
Input
Ex ia
Voltage U
o
10.5 V
Current I
o
13 mA
Power P
o
34 mW (linear characteristic)
Supply
Maximum safe voltage
U
m
253 V AC / 125 V DC (Attention! U
m
is no rated voltage.)
Output
