KFD2-STC4-EX2 PEPPERL & FUCHS, KFD2-STC4-EX2 Datasheet

KFD2-STC4-EX2

Manufacturer Part Number

KFD2-STC4-EX2

Description

2-WIRE SMART TRANSMITTERS, 4-20mA IN : 4-20mA OUT, HART, SIL 2 (IEC 61508), DUA

Manufacturer

PEPPERL & FUCHS

Datasheet

1.KFD2-STC4-EX2.pdf (3 pages)

Specifications of KFD2-STC4-EX2

Lead Free Status / Rohs Status

RoHS Compliant part

Current page: 1 of 3
Download datasheet (156Kb)

Subject to reasonable modifications due to technical advances.

Pepperl+Fuchs Group • Tel.: Germany +49-621-776-0 • USA +1-330-4253555 • Singapore +65-67-799091 • Internet www.pepperl-fuchs.com

Features

• 2-channel isolated barrier

• 24 V DC supply (Power Rail)

• Input 2-wire SMART transmitters

• Output 4 mA ... 20 mA

• Terminals with test points

• Up to SIL2 acc. to IEC 61508

Function

This isolated barrier is used for intrinsic safety applications.

The device supplies 2-wire SMART transmitters in a

hazardous area.

It transfers the analog input signal to the safe area as an

isolated current value.

Digital signals may be superimposed on the input signal in the

hazardous or safe area and are transferred bi-directionally.

If the HART communication resistance in the loop is too low,

the internal resistance of 250 Ω between terminals 8, 9

and 11, 12 can be used.

Test sockets for the connection of HART communicators are

integrated into the terminals of the device.

Application

The device supports the following SMART protocols:

• HART

• BRAIN

• Foxboro

Connection

SMART Transmitter Power Supply

Zone 0, 1, 2

Div. 1, 2

Power Rail

Front view

Assembly

KFD2-STC4-Ex2

24 V DC

250 Ω

KFD2-STC4-Ex2

14+

15-

10-

11+

PWR

24 V DC

KFD2-STC4-Ex2

Removable terminals

blue

LED green:

Power supply

Removable terminals

green

Related parts for KFD2-STC4-EX2

KFD2-STC4-EX2 Summary of contents

Page 1

... Pepperl+Fuchs Group • Tel.: Germany +49-621-776-0 • USA +1-330-4253555 • Singapore +65-67-799091 • Internet www.pepperl-fuchs.com Assembly Front view KFD2-STC4-Ex2 KFD2-STC4-Ex2 250 Ω 10 11+ 12 250 Ω 14+ 15 Power Rail Copyright Pepperl+Fuchs, Printed in Germany KFD2-STC4-Ex2 Removable terminals blue 3 6 LED green: Power supply PWR Removable terminals green ...

Page 2

... Subject to reasonable modifications due to technical advances. Pepperl+Fuchs Group • Tel.: Germany +49-621-776-0 • USA +1-330-4253555 • Singapore +65-67-799091 • Internet www.pepperl-fuchs.com rms pp -signal 0.3 ... 7.5 kHz (-3 dB) SS ≤ 60 °C) [circuit(s) in zone 0/1/2] amb KFD2-STC4-Ex2 signal 0 ... 7.5 kHz (-3 dB) Copyright Pepperl+Fuchs, Printed in Germany 2 ...

Page 3

... The Power Rail must not be fed via the device terminals of the individual devices! Subject to reasonable modifications due to technical advances. Pepperl+Fuchs Group • Tel.: Germany +49-621-776-0 • USA +1-330-4253555 • Singapore +65-67-799091 • Internet www.pepperl-fuchs.com KFD2-STC4-Ex2 Copyright Pepperl+Fuchs, Printed in Germany 3 ...

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