IsolatingRepeater_AK00_II0 pages

Isolating Repeater Loop Powered
Field Circuit Ex i
Series 9167/..-11-00

A3

> For HART output signals
0/4 ... 20 mA
> Intrinsically safe output
[Ex ia] IIC

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> Galvanic isolation
between inputs and outputs
> Without power supply

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> Very low internal resistance
> HART communication signal
transmitting, bidirectionally
> For use up to SIL 3 (IEC 61508)

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www.stahl.de

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Series 9167/..-11-00 A3

08577E00

A3
The Isolating Repeaters loop powered are used for intrinsically
safe operation of control values, i/p-converters, analog and digital
indicators, fire & gas detectors etc.
The modules transmit the HART communication signal
bidirectionally.
A separate power supply is not required.
ATEX / GOST

NEC 505

A3

NEC 506

Class I

Class I Class II Class III

Zone

0 1 2

20 21 22

Zone

0

1

2

Ex i interface

x x x

x

Ex i interface

x

x

x

Installation in
*)

x*)

x

x
x*)

Installation in

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NEC 500

x*)

20 21 22

1

2

1

2

1

2

Ex i interface
x*)

Division

x

x

x

x

x

x

Installation in

x*)

x*)

A3

x*)

Restrictions see table explosion protection

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WebCode
2013-05-06·AK00·III·en

9167A

A3
Isolators

A3/1