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R e l e a s e d a t e

2 0 1 1 - 0 8 - 0

3 1 7 : 5 5

D a t e o f i s s u e

2 0 1 1 - 0 9 - 2 3

1 8 4 2 5 6

_ e n g . x

m l

KFD2-SL2-Ex1

Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany

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

Solenoid Driver

Zone 2

Div. 2

Zone 0, 1, 2

Div. 1, 2

KFD2-SL2-Ex1

2-

3-

1+ 7

8 (+/-)

24 V DC14+15-

Power Rail

24 V DCERR

V

Connection

Assembly

• 1-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

Function

This isolated barrier is used for intrinsic safety applications.

It supplies power to solenoids, LEDs, and audible alarms,located in a hazardous area.

It is controlled via a logic signal. The input has two definedstates: 1-Signal = 16 V DC ... 30 V DC, 0-Signal = 0 V DC ... 5 V DC. The current consumption of theinput is about 3 mA.

At full load, 11.7 V at 45 mA is available for the hazardous area

application.If the field impedance is > 10 kΩ for lead breakage or < 50 Ωfor short circuits a line fault is detected.

A fault is signalized by LEDs acc. to NAMUR NE44 and aseparate collective error message output.

Features

1 3

4 6

2

5

13 15

12

9

10

7

14

11

8

KFD2-SL2-Ex1

OUT CHK PWR

III

Front view

LED green:Power supply

Removable terminalsgreen

LED yellow:Status

LED red:LB/SC

Removable terminalblue

LB/SCPosition I: ONPosition II: OFF

2

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R e l e a s e d a t e

2 0 1 1 - 0 8 - 0

3 1 7 : 5 5

D a t e o f i s s u e

2 0 1 1 - 0 9 - 2 3

1 8 4 2 5 6

_ e n g . x

m l

Technical data KFD2-SL2-Ex1

Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany

Pepperl+Fuchs Group • Tel.: Germany +49-621-776-0 • USA +1-330-4253555 • Singapore +65-67-799091 • Internet www.pepperl-fuchs.com 3

Supplementary information EC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation ofConformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com.

Power feed module KFD2-EB2

The power feed module is used to supply the devices with 24 V DC via the Power Rail. The fuse-protected power feed modulecan supply up to 100 individual devices depending on the power consumption of the devices. A galvanically isolated mechanicalcontact uses the Power Rail to transmit collective error messages.

Power Rail UPR-03

The Power Rail UPR-03 is a complete unit consisting of the electrical inset and an aluminium profile rail 35 mm x 15 mm. To makeelectrical contact, the devices are simply engaged.

Profile Rail K-DUCT with Power Rail

The profile rail K-DUCT is an aluminum profile rail with Power Rail insert and two integral cable ducts for system and field cables.

Due to this assembly no additional cable guides are necessary.

Power Rail and Profile Rail must not be fed via the device terminals of the individual devices!

Output characteristics

Ri

Us

U

Us

Ue

Ie I

Output circuit diagram Output characteristic

Accessories

Attention