192334 – Pepperl+Fuchs

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KFU8-UFT-2.D.FA Frequency Converter 2Channel NAMUR “P+F”

Universal usage at different power supplies
Dry contact or inputs
Input frequency 1 mHz … 1 kHz
Current output 0/4 mA … 20 mA
Relay contact and transistor output
Start-up override
Configurable by PACTware or keypad
Line fault detection (LFD)

Signal type Digital Input
Supply
Connection terminals 23, 24
Rated voltage 20 … 90 V DC / 48 … 253 V AC 50 … 60 Hz
Rated current approx. 130 mA
Power dissipation 2.2 W / 3.5 VA
Power consumption 2.5 W / 4 VA
Interface
Programming interface programming socket
Input
Connection side field side
Connection input I: terminals 1+, 3-
input II: terminals 4+, 6-
input III: terminals 13+, 14- (control input 1)
input IV: terminals 15+, 14- (control input 2)
Input I, II 2-wire sensor, sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact
Open circuit voltage/short-circuit current 8.2 V / 10 mA
Switching point/switching hysteresis logic 1: > 2.5 mA ; logic 0: < 1.9 mA Pulse duration min. 250 µs , overlap on direction of rotation signal: = 125 µs Input frequency rotation direction monitoring 0.001 ... 1000 Hz slip monitoring 10 ... 1000 Hz Line fault detection breakage I = 0.15 mA; short-circuit I > 4 mA
Input III, IV
Active/Passive I > 4 mA (for min. 100 ms) / I < 1.5 mA Open circuit voltage/short-circuit current 18 V / 5 mA Output Connection side control side Connection output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 output III: terminals 19+, 20- output IV: terminals 21+, 20- output V: terminals 7-, 8+ Output I, II signal, relay Contact loading 250 V AC / 2 A / cos f = 0.7 ; 40 DC / 2 A Mechanical life 5 x 107 switching cycles Energized/De-energized delay approx. 20 ms / approx. 20 ms Output III and IV signal , electronic output, passive Contact loading 40 V DC Signal level 1-signal: (L+) -2.5 V (50 mA, short-circuit/overload proof) 0-signal: blocked output (off-state current = 10 µA) Output V analog Current range 0 ... 20 mA or 4 ... 20 mA Open loop voltage max. 24 V DC Load max. 650 O Fault signal downscale I = 3.6 mA, upscale I = 21.5 mA (acc. NAMUR NE43) Programming interface Connection programming socket Interface RS 232 Transfer characteristics Input I and II Measurement range 0.001 ... 1000 Hz Resolution slip monitoring: 1% frequency measurement: 0,1% of measured value; but >0.001Hz
Accuracy slip monitoring: 1% frequency measurement: 0.5% of measured value; but >0.001Hz
Measuring time frequency measurement: < 100 ms Influence of ambient temperature 0.003 %/K (30 ppm) Output I, II Response delay = 200 ms Output V Resolution < 10 µA Accuracy < 30 µA Influence of ambient temperature 0.005 %/K (50 ppm) Galvanic isolation Input I, II/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Input III, IV/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Output I, II/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Mutual output I, II, III reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Mutual output I, II, IV reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Output III, IV/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Output III, IV/input III, IV basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff Output III, IV/V basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff Output V/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Interface/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff Interface/output III, IV basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff Indicators/settings Display elements LEDs , display Control elements Control panel Configuration via operating buttons via PACTware Labeling space for labeling at the front Directive conformity Electromagnetic compatibility Directive 2014/30/EU EN 61326-1:2006 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 300 g Dimensions 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2 Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001 General information Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. Classifications System Classcode ECLASS 11.0 27210128 ECLASS 10.0.1 27210128 ECLASS 9.0 27210128 ECLASS 8.0 27210190 ECLASS 5.1 27210121 ETIM 8.0 EC002918 ETIM 7.0 EC002918 ETIM 6.0 EC002918 ETIM 5.0 EC002475 UNSPSC 12.1 39121007