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Ex ia iic t5/t6, atex ii 1g ex ia - installation – Baumer Flex Bar HRT User Manual

Page 5

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Page 5

Design and specifi cations subject to change without notice

Installation Manual

www.baumerprocess.com

A FlexBar HRT with the type number 81 6x2 xxx xxxx is Ex ia IIC
T5/T6 and ATEX II 1G approved for application in hazardous areas in
accordance with the current EU-directives.

A certifi ed Ex ia or isolation barrier with the maximum values
U

max

= 30 VDC ; I

max

= 0.1 A ; P

max

= 0.75 W must be used.

Ex-data

Supply range 6.5...30

VDC

Internal inductivity

L

i

< 10 µH

Internal capacity

C

i

< 1 nF

Barrier data

U < 30 VDC ; I < 0.1 A ; P

< 0.75 W

Temperature class

T1...T5:

-10 < T

amb

< 70°C

T6:

-10 < T

amb

< 50°C

Ex ia IIC T5/T6, ATEX II 1G

Ex ia - Installation

If the FlexBar HRT has the relay option (type numbers 81 62 xxxx
xxxx and 81 64 xxxx xxxx) the connections to the relay must be carried
out according to the rules for an intrinsically safe installation.

The FlexBar HRT must be connected in the 4...20 mA loop circuit only.

Zone 0/1

Safe area

Barrier

FlexView display

Power

(Optional)

Supply

FlexBar HRT
with relay and cover

Lamp

230 VAC

24 VDC

4...20 mA

3 4

1 2

+

-

230 VAC

24 VDC

4...20 mA

3 4

1 2

+

-

Zone 0/1

Safe area

-

+

Relay

4..20 mA

3

4

1

2

Opto-relay

Voltage, standard Max.

230

VAC

Voltage, GL-approved Max.

60

VAC

DC-voltage Max.

50

VDC

Current, continuously

Max. 50 mA

Current, pulse

Max. 500 mA

Relay function Set/reset