Use In Potentially Explosive Atmospheres; General Requirements; Explosion Protection Approvals; Standards Applied - ABB TZIDC Manual

TZIDC DIGITAL POSITIONER | CI/TZIDC/C-FM-US-EN REV. A

2 Use in potentially explosive atmospheres

General requirements

• The ABB positioner has been approved only for appropriate
and intended use in standard industrial atmospheres. Any
breach of this rule leads to a cancellation of warranty and
manufacturer's responsibility!
• Make sure that only devices which comply with the types of
protection relevant to the applicable zones and categories
are installed.
• All electric equipment has to be suited for the respective
intended use.
Approvals and certifications
The digital positioner TZIDC has a variety of different explosion
protection approvals. The scope of these approvals extends over
the entire EU, Switzerland, and special countries.
They range from explosion protection approvals in accordance
with ATEX directives to internationally recognized approvals
such as IECEx, and additionally include country-specific

explosion protection approvals.

Explosion protection approvals
• cFMus, for details, see page 6.

Standards applied

The standards including the date of issue with the devices are in
compliance are specified in the EU Type examination certificate
and in the declaration of conformity of the manufacturer.

Product identification

Depending on the type of explosion protection, Ex-marking is
attached to the positioner on the right, next to the main name
plate.
This indicates the level of explosion protection and the device's
relevant Ex certificate.
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