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Ex na ii t4/t5, atex ii 3g electrical connection, Ex na - installation – Baumer Flex Bar HRT User Manual

Page 6

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Page 6

Design and specifi cations subject to change without notice

Installation Manual

www.baumerprocess.com

Ex-data

Supply range 6.5...35

VDC

Temperature class

T1...T4:

-10 < T

amb

< 85°C

T5:

-10 < T

amb

< 60°C

Ex nA II T4/T5, ATEX II 3G

Electrical Connection

Electrical Connection

Cable diameter

Torque

mm

Nm

Gland M20, plast

8...13

8

Plug DIN-B

6...8

4

Plug DIN-A

8...10

3

Gland M16

3...9

8

Plug M12

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4

A FlexBar HRT with the type number 81 6x3 xxx xxxx is Ex nA II
T4/T5 and ATEX II 3G approved for application in hazardous areas in
accordance with the current EU-directives.

The FlexBar HRT must be installed in accordance with prevailing
guidelines for zone 2 without a barrier.

Ex nA - Installation

Ex nA - Installation

FlexBar HRT

FlexView display

Power

(Optional)

Supply

230 VAC

24 VDC

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

If the FlexBar HRT has the relay option (type numbers 81 62 3xxx
xxxx and 81 64 3xxx 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.

Warning: If the FlexBar HRT is to be installed in ambient
temperature exceeding 70°C a proper cable should be installed.

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+

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