Frequency voltage current converter
KFU8-FSSP-1.D

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Limit frequency 40 kHz
Voltage or current ouptput
Incrementing output
(Spacing factor 1 ... 9999)
Multi-range power pack
2-, 3-, 4-wire and NAMUR sensors as well as rotary encoder connectable
Auxiliary power output for sensors
Connection via Power Rail
Period measurement
Display: Input in Hz or 1/min, output in V or mA
adjustable updating of indication (0,001 ... 2,5 s)

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Technical Data: KFU8-FSSP-1.D

Product Description
Frequency voltage current converter 40 kHz version
Functional safety related parameters
MTTF_d		100 a
Supply
Rated voltage		196 ... 250 V AC ; 98 ... 127 V AC; 47 ... 63 Hz 20.4 ... 27.6 V DC
Fusing		external fusing 4 A
Power consumption		AC: < 5 VA DC: < 5 W
Indicators/operating means
Type		4-digit, 7-segment red display, 7 mm digit height
Display interval		0.002 ... 9999 Hz or 0.01 ... 9999 min^-1
Parameter assignment		keypad-driven menu
Input 1
Connection		terminals 8-, 9+
Connectable sensor types		NAMUR sensors according to DIN EN 60947-5-6
Open loop voltage		8.2 V DC
Short-circuit current		6.5 mA
Switching point		1.2 ... 2.1 mA Switching hysteresis approx. 0.2 mA
Impedance		1.2 kOhm
Input 2
Switching point		high: 16 ... 30 V DC; max.10 mA; R_i≅ 3 kOhm low: 0 ... 6 V DC
Connection		terminals 7+, 13- sensor supply terminals 14, 15 NPN/PNP input (galvanically isolated)
Connectable sensor types		2-, 3-, or 4-wire proximity switches and incremental rotary encoder
Sensor supply		19 ... 28 V DC non-stabilised; ≤ 30 mA short-circuit protected
Output
Analog voltage output		0 ... 10 V DC; 2 ... 10 V DC; 30 mA max.; resolution: 12 mV; R_i ≥ 330 Ω (terminal 5+, 6-)
Analog current output		0 ... 20 mA; 4 ... 20 mA; resolution: 25 µA; R_i ≤ 600 Ω (terminal 4-, 5+)
Digital incrementing		≥ (U_b -3 V), 20 mA, short-circuit proof (Terminals 1-, 2+) with frequency division F_in /1 ... F_in /9999
Transfer characteristics
Input frequency		≤ 40000 Hz, pulse pause/pulse length: ≥ 12 µs
Deviation		≤ 0.2 % of full-scale value
Standard conformity
Electromagnetic compatibility		acc. to EN 50081-2 / EN 50082-2
Ambient conditions
Ambient temperature		-25 ... 50 °C (-13 ... 122 °F)
Storage temperature		-40 ... 85 °C (-40 ... 185 °F)
Relative humidity		max. 80 %, not condensing
Altitude		0 ... 2000 m
Operating conditions		The device has only to be used in an indoor area.
Mechanical specifications
Protection degree		IP20
Connection		coded, removable terminals , max. core cross-section 0.34 ... 2.5 mm²
Construction type		modular terminal housing in Makrolon, System KF
Mounting		snap-on to 35 mm standard rail or screw fixing