KFD2-SR2-EX-1.W PEPPERL & FUCHS, KFD2-SR2-EX-1.W Datasheet

KFD2-SR2-EX-1.W

Manufacturer Part Number

KFD2-SR2-EX-1.W

Description

ISOLATION AMPLIFIER

Manufacturer

PEPPERL & FUCHS

Datasheet

1.KFD2-SR2-EX-1.W.pdf (4 pages)

Specifications of KFD2-SR2-EX-1.W

Input Type

Intrinsically Safe

Output Type

Relay

No. Of Output Channels

No. Of Input Channels

Supply Voltage Range

20VDC To 30VDC

Isolation Input

Isolated

Operating Temperature Max

60Â°C

No. Of Channels

No. Of Outputs

Operating Temperature Range

-20Â°C To +60Â°C

Signal Conditioner Input

Digital

Signal Conditioner Output

Relay

Current page: 1 of 4
Download datasheet (72Kb)

Transformer Isolated Barriers

24 V DC:

• 1-channel

• Control circuit EEx ia IIC

• Reversible mode of operation

• 1 relay output with 1 changeover

• EMC acc. to NAMUR NE 21

• LB/SC monitoring

• LB/SC combined error signal via Po-

Function

The transformer isolated barrier transfers

digital signals from the hazardous area. Sen-

sors per DIN EN 60947-5-6 (NAMUR) and

mechanical contacts may be used as

alarms. Control circuits are monitored for

lead breakage (LB) and short circuit (SC).

The external faults are indicated according

to NAMUR NE44 by a red flashing LED. For

type KFD2-SR2-Ex1.W, an LB/SC combined

error signal is in addition transferred through

the Power Rail to the power feed module.

The

DIN EN 50020 safely isolated from the out-

put and the power supply. The relay output is

section 101 safely isolated from the power

supply.

contact

wer Rail

accordance

intrinsically

Subject to reasonable modifications due to technical advances.

Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore (6) 7 79 90 91 • Internet http://www.pepperl-fuchs.com

with

safe

DIN

input

EN 0106

per

without SC

without LB, SC

Construction

Input I EEx ia IIC

yellow

10 k

400

10 k

R 2 k

Output

red

green

Power

supply

14 15

Switch S3 in position I

Switch S3 in position II

Power

only

KFD2-SR2-Ex1.W

rail

LB/SC -

collective

error message

Output: Relay

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KFD2-SR2-EX-1.W Summary of contents

Page 1

... Control circuits are monitored for lead breakage (LB) and short circuit (SC). The external faults are indicated according to NAMUR NE44 by a red flashing LED. For type KFD2-SR2-Ex1.W, an LB/SC combined error signal is in addition transferred through the Power Rail to the power feed module. The ...

Page 2

... A for 115 V AC switching voltage. The respective connection data are shown on the type plate switchings approx approx < safe galvanic isolation acc 50020, voltage peak value 375 V safe galvanic isolation acc 50020, voltage peak value 375 V KFD2-SR2-Ex1.W Copyright Pepperl+Fuchs, Printed in Germany 2 ...

Page 3

... Power Rail UPR 05 Power feed module KFD2-EB2 The devices are supplied with due to the power feed module KFD2-EB2 and via the Power Rail UPR 05, simultaneously the combined fault indication will be evaluated. Each power feed module serves the fusing and monitoring of groups with up to 100 single devices. The PR 05 Power Rail is an inset component for the DIN rail ...

Page 4

... Subject to reasonable modifications due to technical advances. Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330 • Singapore ( • Internet http://www.pepperl-fuchs.com KFD2-SR2-Ex1.W Copyright Pepperl+Fuchs, Printed in Germany 4 ...

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