Baumer Flex Bar HRT Manual do Utilizador descarregar pdf (Página 5)

Page 5 Design and speciﬁ cations subject to change without notice

Installation Manualwww.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

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

< 10 µH

Internal capacity C

< 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

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

1 2 3 4 5 6 7 8

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