Kfa6 sr2 ex1 w инструкция

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

1

103

37

4_

EN

G.xm

l

2

003

-03-

2

5

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 67799091 • Internet http://www.pepperl-fuchs.com

KFA6-SR2-Ex1.W

Isolated switch amplifiers

yellow

green

Output

Power

supply

Saf

e area

Input I EEx ia IIC

Switch S3 in position I

Switch S3 in position I

Switch S3 in position I

Switch S3 in position II

Hazar

dous area

LB

SC

red

Power

Rail

LB/SC
collective
error message

only
KFD2-SR2-Ex1.W

without LB, SC

without SC

&

3-

1+

7

8

9

S1

14 15

+

+

—

2+

II

I

1+

3-

1+

3-

3-

2+

3-

1+

10 k

Ω

10 k

Ω

400

Ω ≤ R ≤ 2 kΩ

S3

—

Composition

230 V AC
• 1-channel

• Control circuit EEx ia IIC

• Reversible mode of operation

• 1 relay output with 1 changeover

contact

• EMC acc. to NAMUR NE 21

• LB/SC monitoring

• Usable up to SIL 2 acc. to IEC 61508

The transformer isolated barrier
transfers digital signals from the
hazardous area. Sensors 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 collective error
message is in addition transferred
through the Power Rail to the power
feed module. The intrinsically safe input
is per DIN EN 50020 safely isolated
from the output and the power supply.
The relay output is in accordance with
IEC 61140 safely isolated from the
power supply.

Function

Output: relay

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Switch Amplifier

KFA6-SR2-Ex1.W

Assembly

Features • • • • • • •

1-channel isolated barrier 230 V AC supply Dry contact or NAMUR inputs Relay contact output Line fault detection (LFD) Reversible mode of operation Up to SIL 2 acc. to IEC 61508/IEC 61511

Front view Removable terminal blue 1 2 4 5

LED yellow: Relay output

3 6

LED green: Power supply

KFA6-SR2-Ex1.W

Function

OUT CHK PWR

This isolated barrier is used for intrinsic safety applications. It transfers digital signals (NAMUR sensors/mechanical contacts) from a hazardous area to a safe area.

LED red: LB/SC

Switch S1 (mode of operation)

S1 S2 S3 I

The proximity sensor or switch controls a form C changeover relay contact for the safe area load. The barrier output changes state when the input signal changes state. The normal output state can be reversed using switch S1. Switch S3 is used to enable or disable line fault detection of the field circuit.

II

Switch S2 (no functions)

7 8 9 10 11 12 13 14 15

Switch S3 (LB/SC-monitoring) Removable terminals green

During an error condition, relays revert to their de-energized state and LEDs indicate the fault according to NAMUR NE44.

2

Release date 2019-01-24 13:57

Date of issue 2019-01-24

103374_eng.xml

Connection KFA6-SR2-Ex1.W 7 8 9

1+ 2+

10 kΩ 10 kΩ

3400 Ω ≤ R ≤ 2 kΩ

14 15

230 V AC

Zone 0, 1, 2 Div. 1, 2 Refer to «General Notes Relating to Pepperl+Fuchs Product Information». Pepperl+Fuchs Group USA: +1 330 486 0002 Germany: +49 621 776 2222 www.pepperl-fuchs.com [email protected] [email protected]

Singapore: +65 6779 9091 [email protected]

1

Technical data

KFA6-SR2-Ex1.W

General specifications Signal type

Digital Input

Functional safety related parameters Safety Integrity Level (SIL)

SIL 2

Supply Connection Rated voltage Power dissipation

terminals 14, 15 Ur

Power consumption

207 … 253 V AC, 45 … 65 Hz 1W ≤1W

Input Connection side

field side

Connection

terminals 1+, 2+, 3-

Rated values

acc. to EN 60947-5-6 (NAMUR)

Open circuit voltage/short-circuit current

approx. 8 V DC / approx. 8 mA

Switching point/switching hysteresis

1.2 … 2.1 mA / approx. 0.2 mA

Line fault detection

breakage I ≤ 0.1 mA , short-circuit I > 6 mA

Pulse/Pause ratio

≥ 20 ms / ≥ 20 ms

Output Connection side

control side

Connection

terminals 7, 8, 9

Output

signal ; relay

Contact loading

253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load

Energized/De-energized delay

approx. 20 ms / approx. 20 ms 107 switching cycles

Mechanical life Transfer characteristics Switching frequency

< 10 Hz

Galvanic isolation Input/Output

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Input/power supply

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Output/power supply

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Indicators/settings Display elements

LEDs

Labeling

space for labeling at the front

Directive conformity Electromagnetic compatibility Directive 2014/30/EU

EN 61326-1:2013 (industrial locations)

Low voltage Directive 2014/35/EU

EN 61010-1:2010

Conformity Electromagnetic compatibility

NE 21:2006

Degree of protection

IEC 60529:2001

Input

EN 60947-5-6:2000

Ambient conditions Ambient temperature

-20 … 60 °C (-4 … 140 °F)

Release date 2019-01-24 13:57

Date of issue 2019-01-24

103374_eng.xml

Mechanical specifications Degree of protection

IP20

Connection

screw terminals

Mass

approx. 150 g

Dimensions

20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2

Mounting

on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection with hazardous areas EU-Type Examination Certificate

PTB 00 ATEX 2081

Marking

¬ II (1)G [Ex ia Ga] IIC ¬ II (1)D [Ex ia Da] IIIC ¬ I (M1) [Ex ia Ma] I

Input Voltage Current Power Supply Maximum safe voltage Output

Ex ia Uo

10.6 V

Io

19.1 mA

Po

51 mW (linear characteristic)

Um

253 V AC (Attention! Um is no rated voltage.)

Contact loading Maximum safe voltage

253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load Um

253 V AC (Attention! The rated voltage can be lower.)

Refer to «General Notes Relating to Pepperl+Fuchs Product Information». Pepperl+Fuchs Group USA: +1 330 486 0002 Germany: +49 621 776 2222 www.pepperl-fuchs.com [email protected] [email protected]

Singapore: +65 6779 9091 [email protected]

2

Technical data

KFA6-SR2-Ex1.W

Galvanic isolation Input/Output

safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V

Input/power supply

safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V

Directive conformity Directive 2014/34/EU

EN 60079-0:2012+A11:2013 , EN 60079-11:2012

International approvals FM approval Control drawing

116-0035

UL approval Control drawing

116-0145

CSA approval Control drawing IECEx approval Approved for

116-0047 IECEx PTB 11.0031 [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I

General information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

Release date 2019-01-24 13:57

Date of issue 2019-01-24

103374_eng.xml

Supplementary information

Refer to «General Notes Relating to Pepperl+Fuchs Product Information». Pepperl+Fuchs Group USA: +1 330 486 0002 Germany: +49 621 776 2222 www.pepperl-fuchs.com [email protected] [email protected]

Singapore: +65 6779 9091 [email protected]

3

Technical data

KFA6-SR2-Ex1.W

Configuration Switch position S 1

1 4

2 5

Function Mode of operation Output I (relay) energized

2

3 6

3

Position

with high input current

I

with low input current

II

no function Line fault detection

1

ON

I

OFF

II

OUT CHK PWR

3

9 12 15

Operating status

2

3

8 11 14

1

2

7 10 13

S1 S2 S3

1

S1 S2 S3

I

II

Control circuit

Input signal

Initiator high impedance/ contact opened

low input current

Initiator low impedance/ contact closed

high input current

Lead breakage, lead short-circuit

Line fault

Release date 2019-01-24 13:57

Date of issue 2019-01-24

103374_eng.xml

Factory settings: switch 1, 2 and 3 in position I

Refer to «General Notes Relating to Pepperl+Fuchs Product Information». Pepperl+Fuchs Group USA: +1 330 486 0002 Germany: +49 621 776 2222 www.pepperl-fuchs.com [email protected] [email protected]

Singapore: +65 6779 9091 [email protected]

4

Technical data

KFA6-SR2-Ex1.W

Maximum switching power of output contacts Resistive load DC

Resistive load AC

I (A) 4

Electrical life max. 105 switching cycles

2 1

Electrical life max. 2.5 x 105 switching cycles

0.5

0.2

20

40

100 200 115 250

U (V)

Release date 2019-01-24 13:57

Date of issue 2019-01-24

103374_eng.xml

The maximum number of switching cycles is depending on the electrical load and may be higher when reduced currents and voltages are applied.

Refer to «General Notes Relating to Pepperl+Fuchs Product Information». Pepperl+Fuchs Group USA: +1 330 486 0002 Germany: +49 621 776 2222 www.pepperl-fuchs.com [email protected] [email protected]

Singapore: +65 6779 9091 [email protected]

5