Select Your Country

Go to global website

  1. cs
  2. Products
  3. Hazardous Area Products and Solutions
  4. SIL-Capable Products for Hazardous Areas
  5. Safety Integrity Level 2
  6. KFU8-UFC-Ex1.D

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

Key Benefits at a Glance

  • 1-channel isolated barrier
  • 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

Show more

Please contact us for exact delivery estimation.18 340,00 CZK Net price—your individual price will be shown during checkout process.
Product photo: Frequency Converter with Trip Values KFU8-UFC-Ex1.D
Product photo: Frequency Converter with Trip Values KFU8-UFC-Ex1.D
Approval
Product Compliance: Europe – CE
Approval
Functional Safety: Safety Integrity Level - 2
Approval
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

DE
  • DE
  • EN
  • ES
  • FR
  • PL
DatasheetClassificationProduct DocumentationDesign / SimulationApprovalsSoftwareRelated Products

Technical data of KFU8-UFC-Ex1.D

Signal typeDigital Input
Safety Integrity Level (SIL)SIL 2
Connectionterminals 23, 24
Rated voltageUr20 ... 90 V DC / 48 ... 253 V AC 50 ... 60 Hz
Power dissipation/power consumption≤ 2 W ; 2.5 VA / 2.2 W ; 3 VA
Programming interfaceprogramming socket
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
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)
Input I
Measuring range0.001 ... 5000 Hz
Resolution0.1 % of the measurement value , ≥ 0.001 Hz
Accuracy0.1 % of the measurement value , > 0.001 Hz
Measuring time< 100 ms
Influence of ambient temperature0.003 %/K (30 ppm)
Output I, II
Response delay≤ 200 ms
Output IV
Resolution< 10 µA
Accuracy< 20 µA
Influence of ambient temperature0.005 %/K (50 ppm)
Input I/other circuitsreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II/other circuitsreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Mutual output I, II, IIIreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output III/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output III/start-up overridebasic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Output III/IVbasic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Output IV/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Start-up override/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Interface/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Interface/output IIIbasic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Display elementsLEDs , display
Control elementsControl panel
Configurationvia operating buttons
via PACTware
Labelingspace for labeling at the front
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EUEN 61010-1:2010
Electromagnetic compatibilityNE 21:2006
Degree of protectionIEC 60529:2001
InputEN 60947-5-6:2000
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Degree of protectionIP20
Connectionscrew terminals
Mass300 g
Dimensions40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Height119 mm
Width40 mm
Depth115 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificateTÜV 99 ATEX 1471
MarkingEx-Hexagon II (1)G [Ex ia Ga] IIC
[exsign] II (1)D [Ex ia Da] IIIC
[exsign] I (M1) [Ex ia Ma] I
Supply
Maximum safe voltageUm253 V AC / 125 V DC (Attention! Um is no rated voltage.)
Input Iterminals 1+, 3-: Ex ia
Voltage Uo10.1 V
Current Io13.5 mA
Power Po34 mW (linear characteristic)
Input IIterminals 13+, 14- non-intrinsically safe
Maximum safe voltage Um40 V (Attention! The rated voltage can be lower.)
Output I, IIterminals 10, 11, 12; 16, 17, 18 non-intrinsically safe
Maximum safe voltageUm253 V (Attention! The rated voltage can be lower.)
Contact loading253 V AC/2 A/cos φ > 0.7; 40 V DC/2 A resistive load (TÜV 99 ATEX 1471)
Output IIIterminals 19+, 20- non-intrinsically safe
Maximum safe voltage UmUm40 V (Attention! Um is no rated voltage.)
Output IVterminals 8+, 7- non-intrinsically safe
Maximum safe voltageUm40 V DC (Attention! Um is no rated voltage.)
InterfaceRS 232
Maximum safe voltageUm40 V (Attention! Um is no rated voltage.)
Galvanic isolation
Input I/other circuitssafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018 , EN 60079-11:2012
FM approval
Control drawing16-538FM-12
IECEx approval
IECEx certificateIECEx TUN 04.0007
IECEx marking[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
General Notes
Ask an expert

Related News and Applications

Read more on news and applications related to this product.

KCD2-SCS isolated barriers with AO and and AI, Pepperl+Fuchs
Products and Solutions
13. 6. 2024

Valve Positioner Control and Monitoring with Only One Device

Pepperl+Fuchs has expanded its portfolio of K-System isolated barriers with the KCD2-SCS*: the first 2-channel AI/AO intrinsic safety barriers with a dual function for analog input or analog output control signals.
More information
limit value detection for pharmaceutical vessels, Pepperl+Fuchs

Limit Value Detection for Pharmaceutical Vessel Applications

Controlling the dosing process for a novel pharmaceutical product involves specific considerations. The implementation occurred in a hazardous area, necessitating the regulation of wastewater levels within a designated vessel.
More information

We value your privacy!

We and our partners are using technologies like cookies and process personal data like the IP-address or browser information in order to personalize the advertising that you see. This helps us to show you more relevant ads and improves your internet experience. We also use it in order to measure results or align our website content. Because we value your privacy, we are herewith asking for your permission to use these technologies. You can always change/withdraw your consent later by clicking on the settings button on the left lower corner of the page.

Deny all cookies