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  • KFU8-UFC-Ex1.D Frequency Converter with Trip Values
  • KFU8-UFC-Ex1.D Frequency Converter with Trip Values
KFU8-UFC-Ex1.D Frequency Converter with Trip ValuesKFU8-UFC-Ex1.D Frequency Converter with Trip Values

KFU8-UFC-Ex1.D Frequency Converter with Trip Values

    Universal usage at different power supplies
    Input for NAMUR sensors or dry contacts
    Input frequency 1 mHz ... 5 kHz
    Current output 0/4 mA ... 20 mA
    Relay contact and transistor output
    Start-up override
    Line fault detection (LFD)
    Up to SIL 2 acc. to IEC/EN 61508 / IEC/EN 61511

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Product Description:

Datasheet excerpt: Technical data of  KFU8-UFC-Ex1.D

General specifications
Signal typeDigital Input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
Connectionterminals 23, 24
Rated voltage20 ... 90 V DC / 48 ... 253 V AC 50 ... 60 Hz
Power dissipation/power consumption≤ 2 W ; 2.5 VA / 2.2 W ; 3 VA
Interface
Programming interfaceprogramming socket
Input
Connection sidefield side
ConnectionInput I: intrinsically safe: terminals 1+, 3-
Input II: non-intrinsically safe: terminals 13+, 14-
Input Isensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact

Pulse duration> 50 µs

Input frequency0.001 ... 5000 Hz

Line fault detectionbreakage I ≤ 0.15 mA; short-circuit I > 6.5 mA
Input IIstartup override: 1 ... 1000 s, adjustable in steps of 1 s

Active/PassiveI > 4 mA (for min. 100 ms) / I < 1.5 mA

Open circuit voltage/short-circuit current18 V / 5 mA
Output
Connection sidecontrol side
Connectionoutput I: terminals 10, 11, 12
output II: terminals 16, 17, 18
outout III: terminasl 19+, 20-
output IV: terminals 8+, 7-
Output I, IIsignal, relay

Contact loading250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A

Mechanical life5 x 107 switching cycles

Energized/De-energized delayapprox. 20 ms / approx. 20 ms
Output IIIelectronic output, passive

Contact loading40 V DC

Signal level1-signal: (L+) - 2.5 V (50 mA, short-circuit/overload proof)
0-signal: switched off (off-state current ≤ 10 µA)
Output IVanalog

Current range0 ... 20 mA or 4 ... 20 mA

Open loop voltagemax. 24 V DC

Loadmax. 650 Ω

Fault signaldownscale I ≤ 3.6 mA , upscale ≥ 21.5 mA (acc. NAMUR NE43)


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