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Conformity To Standards; Function - Stahl 9160 Betriebsanleitung

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Operating Instructions
The generally recognised technical regulations
The safety guidelines in these operating instructions
Any damage can compromise and even neutralise the explosion protection.
Apply 24V DC power supply units which offer a minimum power supply buffering for
AC power disruptions time of 20 ms in order to achieve compliance to EN 61326-3-2
and NE21.
Use the device in accordance with the regulations and for its intended purpose only (see

"Function").

With incorrect or unauthorized use or non-compliance with these instructions the
intended protection can be impaired, the warranty provision is invalidate on our part in
these cases.
No changes to the devices or components impairing their explosion protection are
o
permitted.
Furthermore, the device may only be operated if it is undamaged, dry and clean.
o
Should there be any question about the correct handling of the module, please contact R.
STAHL Schaltgeräte GmbH, Am Bahnhof 30, 74638 Waldenburg, Germany, telephone
+49-7942-943-0, or contact one of our offices or representatives see www.stahl-ex.com.

4 Conformity to standards

The information about the conformity to standards can be found in the manufacturer's
declaration of conformity, which has been delivered along with the product.
The current Type Examination Certificate can be downloaded from the Internet
ex.com
.
5 Function
The transmitter supply units are used in the operation of 2-wire and 3-wire transmitters or
to connect to mA current sources like 4-wire transmitter
The 2-wire and 3-wire transmitters are supplied with power by the transmitter power supply
unit.
The transmitter supply unit bidirectionally transfer a superimposed HART communications
signal.
12
Transmitter supply unit Non-Ex i type 9160
!Warning
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