2002 IS Catalog - Steven Engineeringstevenengineering.com/Tech_Support/PDFs/32ILOOP.pdf · 2002 IS...

2002 IS Catalog

94 Pepperl+Fuchs® Inc. • Telephone (330) 486-0002 • FAX (330) 425-4607E-mail: [email protected] • www.am.pepperl-fuchs.com

Introduction ............................................................................................................................... 95Current Repeaters/Drivers (Single-channel)

KFD0-CS-Ex1.50P (Transmitter, positioner and indicator) ....................................................... 96KFD0-CS-Ex1.51P (Positioner and fire detector) ..................................................................... 97KFD0-CS-Ex1.52 (Current source) ........................................................................................... 98KFD0-CS-Ex1.53 (Positioner) .................................................................................................. 99KFD0-CS-Ex1.54 (SMART fire detector) ................................................................................ 100

Current Repeaters/Drivers (Dual-channel)KFD0-CS-Ex2.50P (Transmitter, positioner and indicator) ..................................................... 101KFD0-CS-Ex2.51P (Positioner and fire detector) ................................................................... 102KFD0-CS-Ex2.52 (Current source) ......................................................................................... 103KFD0-CS-Ex2.53 (Positioner) ................................................................................................ 104KFD0-CS-Ex2.54 (SMART fire detector) ................................................................................ 105

ConvertersKFD0-TR-Ex1 (Pt100) .......................................................................................................................... 106KFD0-TT-Ex1 (Thermocouple) ............................................................................................... 107KFD0-RC-Ex1 (Resistance) ................................................................................................... 108KFD0-CC-Ex1 (Current/voltage) ............................................................................................ 109

Smart RepeatersKFD0-SCS-Ex1.55 .............................................................................................................................. 110

Page

2002 IS Catalog

95Pepperl+Fuchs® Inc. • Telephone (330) 486-0002 • FAX (330) 425-4607E-mail: [email protected] • www.am.pepperl-fuchs.com

Pepperl+Fuchs loop-powered isolators consist of current repeaters/drivers and converters. Repeatersand drivers transfer unaltered signals from safe areas to hazardous areas or vice versa. Converterschange signals from one unit to an appropriate measuring signal such as the0/4-20 mA or 0/1-5 V. P+F offers converters for RTDs, thermocouples, current and resistance. Sinceisolators in this section are loop-powered, use the specifications listed in the technical data to verifythat proper voltage is available to the field devices.

Introduction

96

Technical Data

Connection Diagram

Model Number

2002 IS CatalogLoop-p

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Pepperl+Fuchs® Inc. • Telephone (330) 486-0002 • FAX (330) 425-4607E-mail: [email protected] • www.am.pepperl-fuchs.com

KFD0-CS-Ex1.50P

10-35VDC

KFD0-CS-Ex1.50P is a loop-poweredisolator that transfers DC signals from fireand smoke alarms, transmitters andtemperature sensors in hazardous areas. Itcan also be used to control I/P converters,power solenoids, LEDs and audible alarms.Dual channels enable interfacing of twoindependent circuits. Since this isolator isloop-powered, use the technical data onthis page to verify that proper voltage isavailable to the field devices.

Reverse polarity protection

Loop-powered

Suitable for Division 2 mounting

CurrentRepeater/Driver Input/Output (not intrinsically safe) Terminals 11+, 12-

Nominal voltage 10-35 VDCNominal current 4-20 mA

Output/Input (intrinsically safe) Terminals 1+, 2-Minimum output voltage

10 V < VIN < 26.4 V ≥ 0.9 x VIN - (0.4 x current in mA) - 0.7VIN > 26.4 V ≥ 23 V - (0.4 x current in mA)

Maximum short circuit current 65 mA (VIN > 26.1 V)Maximum transfer current 20 mA

Transfer CharacteristicsCalibrated accuracy ±20 µATemperature drift <2 µA / ºC (0ºC to +50ºC)

<5 µA / ºC (-20ºC to +60ºC)Rise time ≤5 ms at 4-20 mA (VIN < 26 V)

Entity Parameters Terminals 1+, 2-:FM control drawing no. 116-0129Voltage VOC 28.5 VCurrent ISC 96 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.17 µF 0.51 µF 1.36 µFMax. external inductance (La) 4.20 mH 17.17 mH 33.40 mH

MechanicalHousing Type A4 (see page 387)Dimensions (mm) 107 x 20 x 115Weight 100 g (3.5 oz.)

Ambient Temperature -20ºC to +60ºC (-4ºF to +140ºF)

Class I, Div 1, Group A-G,Zone 0, IIC

97

Technical Data

Connection Diagram

Model Number


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KFD0-CS-Ex1.51P is a loop-poweredisolator that transfers DC signals from firealarms, smoke alarm transmitters andtemperature sensors in hazardous areas.It can also be used to control I/Pconverters, power solenoids, LEDs andaudible alarms. Reverse polarity protectionprevents the isolator from damage causedby faulty wiring. Since this isolator is loop-powered, use the technical data on thispage to verify that proper voltage isavailable to the field devices.

KFD0-CS-Ex1.51P

Loop-powered



Input/Output (not intrinsically safe) Terminals 11+, 12-Nominal voltage 4-35 VDCNominal current 0-40 mA

Output / Input (intrinsically safe) Terminals 1+, 2-Minimum output voltage

4 V < VIN < 24 V VIN - (0.4 x current in mA) - 1VIN > 24 V 23 V - (0.4 x current in mA)

Maximum short circuit current ≤ 65 mA (VIN > 24 V)Maximum transfer current 40 mA

Transfer CharacteristicsCalibrated accuracy ± 200 µATemperature drift < 2 µA / ºC (0ºC to +50ºC)

< 5 µA / ºC (-20ºC to +60ºC)Rise time ≤ 20 ms at 4-20 mA and 250Ω load

Entity Parameters Terminals 1+, 2-FM control drawing no. 116-0129Voltage VOC 28.5 VCurrent ISC 96 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.17 µF 0.51 µF 1.36 µFMax. external inductance (L

a) 4.20 mH 17.17 mH 33.4 mH



CurrentRepeater/Driver


98

Technical Data

Connection Diagram

Model Number


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KFD0-CS-Ex1.52 is a single-channel, intrinsicsafety isolator that repeats a 4-20 mA signal froma current source inside a hazardous area. (Itdoes not provide power for transmitters insidethe hazardous area.) The 28 V, 0 mA entityparameters make it easy to designintrinsically safe systems. Since this isolator isloop-powered, use the technical data on thispage to verify that proper voltage is availableto the field devices.

KFD0-CS-Ex1.52

Loop-powered

0.1% accuracy

Transfer range 4-20 mA


Input (intrinsically safe) Terminals 1+, 2-Nominal voltage 4-24 VDCCurrent range 4-20 mA

Output / (not intrinsically safe) Terminals 11+, 12-Voltage range 0-24 VDCCurrent range 4-20 mAOutput voltage (4 V<VIN<24 V) 0.9 x VIN - (0.11 x current in mA) - 1.4

Transfer CharacteristicsCalibrated accuracy ±20 µATemperature drift per ºC ±1 µA / K (0ºC to +50ºC)

±2 µA / K (0ºC to +60ºC)±5 µA / K (-20ºC to +60ºC)

Rise time ≤ 10 ms at 4-20 mA and 250 Ω load

Entity Parameters Terminals 1+, 2-FM control drawing no. 116-0129Voltage VOC 28.0 VCurrent ISC 0 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.14 µF 0.43 µF 1.14 µFMax. external inductance (La) 1000 mH 1000 mH 1000 mH



Current Repeater

I


99

Technical Data

Connection Diagram

Model Number


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KFD0-CS-Ex1.53 is a single-channel isolatorthat controls I/P converters. It is ideal forapplications where the control system in thesafe area handles a small load. Since thisisolator is loop-powered, use the technicaldata on this page to verify that propervoltage is available to the field devices.

KFD0-CS-Ex1.53

Loop-powered

0-40 mA transfer range

1% accuracy


Input (not intrinsically safe) Terminals 1+, 2-Output voltage VIN - (0.2 x current in mA) - 0.6Short circuit current ≤ 95 mAMaximum transfer current 40 mA

Output (intrinsically safe) Terminals 11+, 12-Nominal voltage 4-10 VDCCurrent range 0-40 mA

Transfer CharacteristicsCalibrated accuracy ±200 µATemperature drift per ºC ±2 µA / ºC (0ºC to +60ºC)

±5 µA / ºC (-20ºC to +60ºC)Rise time ≤ 20 ms at 4-20 mA and 250 Ω load

Entity Parameters Terminals 1+, 2-FM control drawing no. 116-0129Voltage VOC 10.8 VCurrent ISC 97.2 mAExplosion group A & B C & E D, F & GMax. external capacitance (C

a) 2.40 µF 7.20 µF 19.19 µF

Max. external inductance (La) 4.0 mH 12.0 mH 32.0 mH



Current Driver


100

Technical Data

Connection Diagram

Model Number


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KFD0-CS-Ex1.54

SmartCurrent Repeater

KFD0-CS-Ex1.54 is a single-channel isolatorthat provides control and signal transfer forintelligent fire and smoke alarm transmittersinside hazardous areas. This isolator can alsosuperimpose an AC signal (up to 6 V) on theDC signal to enable digital communicationto the hazardous area. Since this isolator isloop-powered, use the technical data on thispage to verify that proper voltage is availableto the field devices.

Loop-powered


1% accuracy


Input (not intrinsically safe) Terminals 11+, 12-Voltage range 4-26 V, 0-6 VssACCurrent range 1-20 mAOutput voltage (4V≤VIN≤26V) VIN - (0.38 x current in mA) - 0.5

Output (intrinsically safe) Terminals 1+, 2-Nominal voltage 0-26 VDCNominal current 1-20 mAShort circuit current ≤ 65 mA

Transfer CharacteristicsCalibrated accuracy -1.6 mA to 0 mATemperature drift ±20 µA / ºC (0ºC to +60ºC)Rise time ≤ 50 µs (load current ≥ 1 mA)

Entity Parameters Terminals 1+, 2-FM control drawing no. 116-0129Voltage V

OC28.5 V

Current ISC 95 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.14 µF 0.41 µF 1.10 µFMax. external inductance (La) 4.09 mH 16.02 mH 32.82 mH



1-20mA


101

Technical Data

Connection Diagram

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Input /Output (not intrinsically safe) Terminals 11+, 12-; 8-, 9+, 10-Nominal voltage 10-35 VDCNominal current 4-20 mA

Output / Input (intrinsically safe) Terminals 1+, 2-: 4+, 5-Minimum output voltage

10 V < VIN < 26.1 V 0.9 x VIN - (0.4 x current in mA) - 0.7VIN > 26.1 V 23 V - (0.4 x current in mA)

Maximum short circuit current 65 mA (VIN > 26.1 V)Maximum transfer current 40 mA

Transfer CharacteristicsCalibrated accuracy ±20 µATemperature drift <2 µA / ºC (0ºC to +50ºC)

<5 µA / ºC (-20ºC to +60ºC)Rise time ≤5 ms at 4-20 mA (VE < 26 V)

Entity Parameters Terminals 1+, 2-; 4+, 5-FM control drawing no. 116-0129Voltage VOC 28.5 VCurrent ISC 96 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.17 µF 0.51 µF 1.36 µFMax. external inductance (La) 4.20 mH 17.17 mH 33.40 mH



KFD0-CS-Ex2.50P


KFD0-CS-Ex2.50P is a loop-poweredisolator that transfers DC signals from firealarms, smoke alarm transmitters andtemperature sensors in hazardous areas. Itcan also be used to control I/P converters,power solenoids, LEDs and audible alarms.Dual channels enable interfacing of twoindependent circuits. Reverse polarityprotection prevents the isolator fromdamage caused by faulty wiring. Since thisisolator is loop-powered, use the technicaldata on this page to verify that propervoltage is available to the field devices.

Loop-powered

Dual-channel



10-35VCD

10-35VCD


102

Technical Data

Connection Diagram

Model Number


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KFD0-CS-Ex2.51P is a loop-powered iso-lator that transfers DC signals from firealarms, smoke alarm transmitters andtemperature sensors in hazardous areas.It can also be used to control I/P convert-ers, power solenoids, LEDs and audiblealarms. Reverse polarity protection pre-vents the isolator from damage causedby faulty wiring. Since this isolator is loop-powered, use the technical data on thispage to verify that proper voltage is avail-able to the field devices.

KFD0-CS-Ex2.51P

Loop-powered

Dual-channel



Input /Output (not intrinsically safe) Terminals 11+, 12-; 8-, 9+, 10-Nominal voltage 4-35 VDCNominal current 0-40 mA

Output / Input (intrinsically safe) Terminals 1+, 2-; 4+, 5-Minimum output voltage

4 V < VIN < 24 V VIN - (0.4 x current in mA) - 1VIN> 24 V 23 V - (0.4 x current in mA)

Maximum short circuit current ≤ 65 mA (VE>24 V)Maximum transfer current 40 mA

Transfer CharacteristicsCalibrated accuracy ±200 µATemperature drift < 2 µA / ºC (0ºC to +50ºC)

< 5 µA / ºC (-20ºC to +60ºC)Rise time ≤ 5 ms at 4-20 mA and 250 Ω load





KFD0-CS-Ex2.51P

4-35VCD

4-35VCD


103

Technical Data

Connection Diagram

Model Number


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Input (intrinsically safe) Terminals 1+, 2-; 4+, 5-Nominal voltage 4-24 VDCCurrent range 4-20 mA

Output / (not intrinsically safe) Terminals 11+, 12-; 9+, 10-Voltage range 0-24 VDCCurrent range 4-20 mAOutput voltage (4 V<V

IN<24 V) 0.9 x

V

IN - (0.11 x current in mA) - 1.4

Transfer CharacteristicsCalibrated accuracy ±20 µATemperature drift ±1 µA / ºC (0ºC to +50ºC)

±2 µA / ºC (0ºC to +60ºC)±5 µA / ºC (-20ºC to +60ºC)

Rise time ≤ 10 ms at 4-20 mA and 250 Ω load

Entity Parameters Terminals 1+, 2-; 4+, 5-FM control drawing no. 116-0129Voltage VOC 28.0 VCurrent I

SC0 mA

Explosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.14 µF 0.43 µF 1.14 µFMax. external inductance (La) 1000 mH 1000 mH 1000 mH



KFD0-CS-Ex2.52

Current Repeater

KFD0-CS-Ex2.52 is a dual-channel isolatorthat repeats a 4-20 mA signal from acurrent source inside a hazardous area. (Itdoes not provide power for transmittersinside the hazardous area.) The 28 V, 0 mAentity parameters make it easy to designintrinsically safe systems. Since this isolatoris loop-powered, use the technical dataon this page to verify that proper voltageis available to the field devices.

Loop-powered

Dual-channel

0.1% accuracy


I

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Technical Data

Connection Diagram

Model Number


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KFD0-CS-Ex2.53

Input (not intrinsically safe) Terminals 11+, 12-; 9+, 8-, 10-Nominal voltage 4-10 VDCCurrent range 0-40 mA

Output (intrinsically safe)Output voltage VIN - (0.2 x current in mA) - 0.6Short circuit current ≤ 95 mAMaximum transfer current 40 mA

Transfer CharacteristicsCalibrated accuracy ±200 µATemperature drift ±2 µA / ºC (0ºC to +60ºC)

±5 µA / ºC (-20ºC to +60ºC)Rise time ≤ 20 ms at 4-20 mA and 250 Ω load

Entity Parameters Terminals 1+, 2-; 4+, 5-FM control drawing no. 116-0129Voltage VOC 10.8 VCurrent ISC 97.2 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 2.40 µF 7.20 µF 19.19 µFMax. external inductance (La) 4.0 mH 12.0 mH 32.0 mH



Current Driver

KFD0-CS-Ex2.53 is a dual-channel isolatorthat controls I/P converters. This isolator isideal for applications where the controlsystem in the safe area handles a small load.Since this isolator is loop-powered, use thetechnical data on this page to verify thatproper voltage is available to the field devices.

Loop-powered

Dual-channel




105

Technical Data

Connection Diagram

Model Number


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Input (intrinsically safe) Terminals 11+, 12-; 9+, 8-, 10-Voltage range 4-26 V. 0-6 VSSACCurrent range 1-20 mA

Output (not intrinsically safe) Terminals 1+, 2-; 4+, 5-Nominal voltage 0-26 VDCNominal current 1-20 mAShort circuit current ≤ 65 mAMin. output voltage (4V ≤ V

IN ≤ 26V) VIN - (0.38 x current in mA) - 0.5

Transfer CharacteristicsCalibrated accuracy -1.6 mA to 0 mATemperature drift ± 20 µA / ºC (0ºC to +60ºC)Rise time ≤ 50 µs (load current ≥1 mA)




The KFD0-CS-Ex2.54 is a dual-channelisolator that provides control and signaltransfer for intelligent fire and smoke alarmtransmitters inside hazardous areas. Thisisolator can also superimpose an AC signal(up to 6 V) on the DC signal to enable digitalcommunication to the hazardous area. Sincethis isolator is loop-powered, use thetechnical data on this page to verify thatproper voltage is available to the field devices.

KFD0-CS-Ex2.54

Loop-powered

Dual-channel



Smart CurrentRepeater

4

5

KFD0-CS-Ex2.54


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Technical Data

Connection Diagram

Model Number


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The KFD0-TR-Ex1 is a single-channelisolator that converts the resistance froma 3-wire RTD in the hazardous area to a4-20 mA signal in the safe area. Thisconverter also features convenientlylocated DIP switches and potentiometersto make field calibration easy.

KFD0-TR-Ex1

Loop-powered

Adjustable span for easycalibration

Burnout monitoring

Suitable for Pt100, 2- and3- wire connections

Power SupplyLoop powered 12-35 VDC

Input (intrinsically safe) Terminals 1+, 2-, 3+Lead resistance ≤ 100 Ω / leadTest current ≈ 1 mA

Output (not intrinsically safe) Terminals 8-, 9+Current output 4-20 mAFault signal (lead breakage) ≥ 22 mALoad (Vs - 12 V) / 0.02 A

Transfer CharacteristicsVoltage influence 6.5 ppm /VCalibrated accuracy 0.1%Voltage influence 0.00065% / VTemperature drift 0.015% of span / ºC or ±10 mΩ / ºCMeasuring range +25ºC to +800ºC (span w/linearization)

+25ºC to +430ºC (span w/o linearization)

-200ºC to +466ºC (zero point linearization)

-86ºC to +405ºC (zero point w/linearization)

Entity Parameters Terminals 1, 2, 3CSA control drawing no. 116-0132Voltage VOC 16.1 VCurrent ISC 33 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.59 µF 1.77 µF 4.72 µFMax. external inductance (La) 30 mH 113 mH 268 mH

MechanicalHousing Type C (see page 387)Dimensions (mm) 115 x 20 x 118Weight 150 g (5.3 oz.)


RTD Converter

KFDO-TR-EX1


Switch Position FunctionS1.1 1 Pt100 with linearization

S1.2 0 (-30 °C to 375 °C)

S1.1 0 Pt100 with linearization

S1.2 0 (-200 °C to 800 °C)

Dip switch functionson side of unit

1 2 3 4

1

0

Leadmonitoring

Thermocoupletype

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Technical Data

Connection Diagram

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Inputs (intrinsically safe) Terminals 1+, 2-, 3+ cold junctionmeasurement reference 0ºC

Input current ≤15 nA (lead monitoring on)≤1 nA (lead monitoring off)

Output (not intrinsically safe) Terminals 9+, 8-Current output 4-20 mA (35 mA max.)Fault signal (lead breakage) Downscale ≤ 3 mA, upscale ≥ 22 mALoad (Vs - 12 V) / 0.02 A

Transfer CharacteristicsMeasuring range span 4-10 mV, zero point 12 mV to 60 mV

Calibrated accuracy 0.1%Temperature drift 0.015% of span / ºC or 1.5 µV / ºCVoltage influence 6.5 ppm / V or 0.00065% / V

Entity Parameters Terminals 1, 2, 3CSA control drawing no. 116-0132Voltage VOC 16.1 VCurrent ISC 0.8 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 0.59 µF 1.77 µF 4.72 µFMax. external inductance (La) 1000 mH 1000 mH 1000 mH



KFD0-TT-Ex1

Loop-powered

Adjustable span and zero point

Lead breakage monitoring

For thermocouple types E, J, K,N, R, S and T

The KFD0-TT-Ex1 is a single-channel isolatorthat converts the voltage from athermocouple (or any other device with amillivolt signal) inside the hazardous area toa 4-20 mA signal in the safe area. Seven typesof thermocouples can be connected to thisisolator. KFD0-TT-Ex1 also featuresconveniently located DIP switches andpotentiometers to make field calibration easy.

ThermocoupleConverter

mV


Switch Position FunctionS1.1 1/0 LB UP-upscaled*

S1.2 0/1 LB DOWN-downscaled*

S1.3 1 Thermocouple Type E

S1.4 1 Thermocouple Type J

S2.1 1 Thermocouple Type K, T

S2.2 1 Thermocouple Type N

S2.3 1 Thermocouple Type R, S

* other combinations not allowed/defined


1 2 3 4

1

0

Leadmonitoring

Thermocoupletype

1 2 3 4

1

0

Leadmonitoring

Thermocoupletype

108

Technical Data

Connection Diagram

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Input (intrinsically safe) Terminals 1+, 2-, 3+Lead resistance ≤ 100 Ω/leadTest current ≈ 1 mA

Output (not intrinsically safe) Terminals 8-, 9+Current output 4-20 mAFault signal (lead breakage) ≥ 22 mALoad (VS - 12 V) / 0.02 A

Transfer CharacteristicsFinal sensing range 500 Ω to 11 kΩZero point 0-10% of final valueCalibrated accuracy 0.1% of final valueLinearity ≤ 0.04% of final valueTemperature drift span, zero point 4.8 µA / ºCRise time 250 ms

Certificate of Conformity Terminals 1+, 2-, 3+Certification no. TÜV 98 ATEX 1381Voltage Uo 16.2VCurrent Io 13.1 mAExplosion group [EEx ia/ib] II B II CMax. external capacitance (Ca) 2.63 µf 0.389 µfMax. external inductance (La) 600 mH 160 mH



KFD0-RC-Ex1

ResistanceConverter

This single-channel isolator converts a 500-11,000 Ω resistance in the hazardous areato a 4-20 mA signal in the safe area.Additional features include lead resistancecompensation and DIP switches andpotentiometers on the isolator for easyfield calibration.

Loop-powered



Suitable for Pt100, 2- and 3-wire connections


01

2 3 4 5 6789

ABCDEF

Adjustment instructionsExample:Input 0-1.5 KOhmOutput signal 4-20 mA1. Enter resistance 0 Ohm at the input, (Short circuit the input)2. Span coarse adjustment (Switch SPAN Position 2)3. Adjust output: zero point fine adjustment (20-4 mA)4. 1.5 kOhm enter at the input5. Span fine adjustments (20 mA), If necessary repeat steps 3, -5.

Rotary switchfunction on thedevices

Span coarseadjustment

0 450 7001 700 11002 1100 17003 1500 21004 2100 31005 2400 34006 2800 41007 3100 47008 4700 74009 5000 7700A 5400 8500B 5800 8900C 6400 9900D 6700 10400E 7000 10900F 7400 1100

SwitchSPAN

Measurement rangend value (Ohm)

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Technical Data

Connection Diagram

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Input (intrinsically safe) Terminals 1+, 2-Current range/load 0-20 mA /50 Ω max.Voltage range/load 0-10 V /100 kΩ min.

Output (not intrinsically safe) Terminals8-, 9+Current output 4-20 mAFault signal (lead breakage) ≤ 3 mALoad (V

S - 12 V) / 0.02 A

Transfer CharacteristicsVoltage surge 6.5 ppm / VCalibrated accuracy 0.1%Linearity ≤ 0.04% of final valueTemperature drift 0.05% of span / ºCVoltage influence 0.060% of span/ ºC (zero point)Rise time 250 ms

Entity Parameters Terminals 1, 2CSA control drawing no. 116-0132Voltage V

OC9.6 V

Current ISC 0.5 mAExplosion group A & B C & E D, F & GMax. external capacitance (Ca) 3.5 µF 10.5 µF 28 µFMax. external inductance (La) 1000 mH 1000 mH 1000 mH



KFD0-CC-Ex1

Current/VoltageConverter

I

This single-channel isolator converts a2-wire voltage or current in the hazardousarea to a 4-20 mA signal in the safe area.DIP switches and potentiometers on theisolator make field calibration easy.

Loop-powered

Current and voltage inputs



S1.1 S1.2 S1.3 S1.4 S2.1 S2.2 S2.3 S2.4

0 to 20mA 1 1 - - - - - -

4 to 20mA 1 1 - - 1 1 - -

0 to 5V - - 1 - - - - -

1 to 5V - - 1 - 1 1 - -

0 to 10V - - - 1 - - - -

2 to 10V - - - 1 1 1 - -


1 2 3 4

1

0

Leadmonitoring

Thermocoupletype

1 2 3 4

1

0

Leadmonitoring

Thermocoupletype

MeasurementRange

Switch S1 (Zero Point)Switch S1 (Range)

S1 S2

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Inputs (intrinsically safe) Terminals 1+, 2-, 3+Current 4-20 mA (linear transmission 1-22 mA)

Output (not intrinsically safe) Terminals 9+, 8-Maximum voltage 250 VVoltage range 0-30 VDCLoad (VS - 12 V) / 0.02 A

Transfer CharacteristicsDeviation after calibration after calibration: ≤80µA linearity, load

and voltage dependence at 20ºCDeviation temperature < 0.5 µA / ºCRise time ≤ 20 µs at 0Ω, ≤ 600 µs with 800Ω load

Certificate of Conformity Terminals 1+, 2-, 3+Certification no. PTB no. Ex-97.D.2048Voltage Uo 23.1 VCurrent Io 28 mAExplosion group [EEx ib] II CMax. external capacitance (Ca) 0.06 µFMax. external inductance (La) 0.5 mH



KFD0-SCS-Ex1.55

SMART Repeater

I

KFD0-SCS-Ex1.55

The KFD0-SCS-Ex1.55 universal moduledoes not require auxiliary power for the iso-lation of a 4-20 mA signal. It is loop pow-ered and has a noticeably lower power losscompared to active isolator modules. Themodule isolates 4-20 mA signals for trans-mitters and positioners and is bidirectionallyHART compatible. The HART transmittersand HART positioners can be configured inthe safe area as well as in the hazardousarea.

The low 5 V voltage drop also allows fortransmitter applications with unstable powersources in the range of 20-30 VDC. Pleasenote that the voltage drop across the resis-tor in the active measurement circuit mustbe included when calculating the availablefield voltage (Terminals 1+ and 2)

Lead breakage monitoring is possible bymeans of the reaction of the field current sig-nal to the safe area, which means the con-trol system has to monitor for an underscaleor overscale condition.

The module can also be used for control-ling solenoid valves and discrete outputs,such as LEDs based on the internal voltagelimits (safe area). Terminals 8- and 9+ in thiscase are driven with a 24 V signal.

Loop-powered


Single channel

HART compatible



2002 IS Catalog

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