[Pepperl+Fuchs International]



2014-04-18

Isolated Barriers


K-System offers an extensive range of intrinsic safety interface modules for many signals and applications - from simple isolators to highly functional modules.

Model-NoProduct DescriptionProduct Data
KFD2-CD-EX1.32Current/Voltage Driver, 1-channel isolated barrier, 24 V DC supply (Power Rail), Current/voltage output up to 850 Omega/3 Omega load, Factory configured input/output, Accuracy 0.1 %, Up to SIL2 acc. to IEC 61508, Rated voltage: 20 ... 35 V DC, SIL/IEC 61508, Explosion protection: Ex-Output, Field circuit: 0(4)-20 mA, Safe area: 0(4)-20 mA, Transfer direction: to the fielddetail
KFD2-SCD2-EX2.LKSMART Current Driver, 2-channel isolated barrier, 24 V DC supply (Power Rail), Current output up to 700 Omega load, HART I/P and valve positioner, Line fault detection (LFD), Accuracy 0.05 %, Terminals with test points, Up to SIL2 acc. to IEC 61508, Rated voltage: 10 ... 35 V DC, SIL/IEC 61508, HART transfer, Explosion protection: Ex-Output, Field circuit: 4-20 mA, HART, Safe area: 4-20 mA, HART, Transfer direction: to the fielddetail
KFD2-SCD-EX1.LKSMART Current Driver, 1-channel isolated barrier, 24 V DC supply (Power Rail), Current output up to 700 Omega load, HART I/P and valve positioner, Line fault detection (LFD), Accuracy 0.1 %, Terminals with test points, Up to SIL2 acc. to IEC 61508, Rated voltage: 20 ... 35 V DC, SIL/IEC 61508, HART transfer, Explosion protection: Ex-Output, Field circuit: 4-20 mA, HART, Safe area: 4-20 mA, HART, Transfer direction: to the fielddetail
KFD0-SD2-Ex1.1045Solenoid driver, 1-channel, Output EEx ia IIC, Device installation in Zone 2, Up to SIL3 acc. to IEC 61508, Input: without prelogic, Rated voltage: loop powered, SIL/IEC 61508, Explosion protection: Ex-Output, Output rated operating current: 35 mAdetail
KFD0-SD2-Ex2.1045Solenoid Driver, 2-channel isolated barrier, 24 V DC supply (loop powered), Current limit 45 mA at 10 V DC, Up to SIL3 acc. to IEC 61508, Rated voltage: loop powered, SIL/IEC 61508, Explosion protection: Ex-Output, Output rated operating current: 45 mAdetail
KFD2-SH-EX1.T.OPSwitch Amplifier, 1-channel isolated barrier, 24 V DC supply (Power Rail), Input for dry contacts or SN Sensors, Active signal output, Relay contact output, Error message output, For usage in accordance with ISO 13849-1 (EN 954-1, category 3), Line fault detection (LFD), Up to SIL3 acc. to IEC 61508, Input: NAMUR sensor, Rated voltage: 20 ... 30 V DC, Output: Transistor, SIL/IEC 61508, Explosion protection: Ex inputdetail
KFD2-SL2-EX2Solenoid Driver, 2-channel isolated barrier, 24 V DC supply (Power Rail), Output 45 mA at 11.7 V DC, Logic input, non-polarized, Lead monitoring, Up to SIL2 acc. to IEC 61508, Input: with prelogic, Rated voltage: 20 ... 30 V DC, SIL/IEC 61508, Explosion protection: Ex-Output, Fault message output, Output rated operating current: 45 mAdetail
KFD2-SL2-EX2.BSolenoid Driver, 2-channel isolated barrier, 24 V DC supply (Power Rail), Output 45 mA at 11.7 V DC, Logic input, non-polarized, Up to SIL2 acc. to IEC 61508, Input: with prelogic, Rated voltage: 20 ... 30 V DC, SIL/IEC 61508, Explosion protection: Ex-Output, Output rated operating current: 45 mAdetail
KFD2-SOT2-EX2Switch Amplifier, 2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Passive transistor output, non-polarized, Line fault detection (LFD), Reversible mode of operation, Up to SIL2 acc. to IEC 61508, Input: NAMUR sensor, Rated voltage: 20 ... 30 V DC, Output: Optocoupler, SIL/IEC 61508, Explosion protection: Ex inputdetail
KFD2-SR2-EX2.2SSwitch Amplifier, 2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 x 2 relay contact outputs with AND logic, Line fault detection (LFD), Reversible mode of operation, Up to SIL2 acc. to IEC 61508, Input: NAMUR sensor, Rated voltage: 20 ... 30 V DC, Output: relay, SIL/IEC 61508, Explosion protection: Ex inputdetail
KFD2-SRA-EX4Switch Amplifier, 4-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 50 % less wiring, 2:1 technology, Relay contact output, Line fault detection (LFD), Reversible mode of operation, Input: NAMUR sensor, Rated voltage: 19 ... 30 V DC, Output: relay, 2:1 Method, Explosion protection: Ex inputdetail
KFD2-STC4-EX1SMART Transmitter Power Supply, 1-channel isolated barrier, 24 V DC supply (Power Rail), 2-wire SMART transmitters or current sources, Output 4 mA ... 20 mA, Terminals with test points, Up to SIL2 acc. to IEC 61508, Input: 2-wire transmitter, Rated voltage: 20 ... 35 V DC, SIL/IEC 61508, Output signal: 0/4 ... 20 mA (overload > 25 mA), HART transfer, Input, current source, Explosion protection: Ex inputdetail
KFD2-STC4-EX1.2OSMART Transmitter Power Supply, 1-channel isolated barrier, 24 V DC supply (Power Rail), 2-wire SMART transmitters or current sources, Dual output 4 mA ... 20 mA, Terminals with test points, Up to SIL3 acc. to IEC 61508, Input: 2-wire transmitter, Rated voltage: 20 ... 35 V DC, SIL/IEC 61508, Output signal: 0/4 ... 20 mA (overload > 25 mA), HART transfer, Dual output, Input, current source, Explosion protection: Ex inputdetail
KFD2-STC4-EX2SMART Transmitter Power Supply, 2-channel isolated barrier, 24 V DC supply (Power Rail), 2-wire SMART transmitter, Output 4 mA ... 20 mA, Terminals with test points, Up to SIL2 acc. to IEC 61508, Input: 2-wire transmitter, Rated voltage: 20 ... 35 V DC, SIL/IEC 61508, Output signal: 0/4 ... 20 mA (overload > 25 mA), HART transfer, Explosion protection: Ex inputdetail

If you click on "detail" in the column "Product Data", you will be referred to our Pepperl+Fuchs Product Selector. There you can find all needed information, like Datasheet, Product Features, Technical Documents or Approvals / Certificates.

Additional Information

Valve Selection solenoid drivers
We make it easy to find the right solenoid driver to an existing valve/ solenoid. You have to consider many funtional and safety aspects. The ideal tool for selection is our new valve selection table.

Serviceline Information

Visit Pepperl+Fuchs

Visit Honeywell