P+F KFU8-UFC-Ex1.D Frequency Converter with Trip Values

P+F KFU8-UFC-Ex1.D Frequency Converter with Trip Values

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

< 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

 

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

General specifications

Signal type

Digital Input

Functional safety related parameters

Safety Integrity Level (SIL)

SIL 2

Supply

Connection

terminals 23, 24

Rated voltage

20 ... 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 interface

programming socket

Input

Connection side

field side

Connection

Input I: intrinsically safe: terminals 1+, 3-
Input II: non-intrinsically safe: terminals 13+, 14-

Input I

sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact

 

Pulse duration

> 50 µs

 

Input frequency

0.001 ... 5000 Hz

 

Line fault detection

breakage I ≤ 0.15 mA; short-circuit I > 6.5 mA

Input II

startup override: 1 ... 1000 s, adjustable in steps of 1 s

 

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
outout III: terminasl 19+, 20-
output IV: terminals 8+, 7-

Output I, II

signal, relay

 

Contact loading

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

 

Mechanical life

5 x 107 switching cycles

 

Energized/De-energized delay

approx. 20 ms / approx. 20 ms

Output III

electronic output, passive

 

Contact loading

40 V DC

 

Signal level

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

Output IV

analog

 

Current range

0 ... 20 mA or 4 ... 20 mA

 

Open loop voltage

max. 24 V DC

 

Load

max. 650 Ω

 

Fault signal

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

Transfer characteristics

Input I

 

 

Measuring range

0.001 ... 5000 Hz

 

Resolution

0.1 % of the measurement value , ≥ 0.001 Hz

 

Accuracy

0.1 % of the measurement value , > 0.001 Hz

 

Measuring time

< 100 ms

 

Influence of ambient temperature

0.003 %/K (30 ppm)

Output I, II

 

 

Response delay

≤ 200 ms

Output IV

 

 

Resolution

< 10 µA

 

Accuracy

< 20 µA

 

Influence of ambient temperature

0.005 %/K (50 ppm)

Galvanic isolation

Input I/other circuits

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

Output III/power supply

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Output III/start-up override

basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff

Output III/IV

basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff

Output IV/power supply

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Start-up override/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

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 61326-1:2013 (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

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

 

Height

119 mm

 

Width

40 mm

 

Depth

115 mm

Mounting

on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection with hazardous areas

EU-type examination certificate

TÜV 99 ATEX 1471

 

Marking

Ex-Hexagon II (1)G [Ex ia Ga] IIC
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon I (M1) [Ex ia Ma] I

Supply

 

 

Maximum safe voltage

253 V AC / 125 V DC (Attention! Um is no rated voltage.)

Input I

terminals 1+, 3-: Ex ia

 

Voltage Uo

10.1 V

 

Current Io

13.5 mA

 

Power Po

34 mW (linear characteristic)

Input II

terminals 13+, 14- non-intrinsically safe

 

Maximum safe voltage Um

40 V (Attention! The rated voltage can be lower.)

Output I, II

terminals 10, 11, 12; 16, 17, 18 non-intrinsically safe

 

Maximum safe voltage

253 V (Attention! The rated voltage can be lower.)

 

Contact loading

253 V AC/2 A/cos φ > 0.7; 40 V DC/2 A resistive load (TÜV 99 ATEX 1471)

Output III

terminals 19+, 20- non-intrinsically safe

 

Maximum safe voltage Um

40 V (Attention! Um is no rated voltage.)

Output IV

terminals 8+, 7- non-intrinsically safe

 

Maximum safe voltage

40 V DC (Attention! Um is no rated voltage.)

Interface

RS 232

 

Maximum safe voltage

40 V (Attention! Um is no rated voltage.)

Galvanic isolation

 

 

Input I/other circuits

safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V

Directive conformity

 

 

Directive 2014/34/EU

EN IEC 60079-0:2018 , EN 60079-11:2012

International approvals

FM approval

 

 

Control drawing

16-538FM-12

IECEx approval

 

 

IECEx certificate

IECEx TUN 04.0007

 

IECEx marking

[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I

General information

Supplementary information

Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

 

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