Use In Potentially Explosive Atmospheres; General Requirements; Explosion Protection Approvals; Standards Applied - ABB TZIDC-110 Operating Instruction

6 TZIDC-110, TZIDC-120 DIGITAL POSITIONER | OI/TZIDC-110/TZIDC-120-EN REV. H

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-110, TZIDC-120 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
TZIDC-110
• ATEX / UKEX, details see for Ex i page 10 for Ex ec page 11.
• IECEx, details see for Ex i page 12 for Ex ec page 13.
• cFMus, for details, see page 14.
• EAC TR-CU-012, details see for Ex i page 18 for Ex n page 18.
TZIDC-120
• ATEX / UKEX, details see for Ex i page 20 for Ex ec page 21.
• IECEx, details see for Ex i page 22 for Ex ec page 23.
• cFMus, for details, see page 24.
• EAC TR-CU-012, details see for Ex i page 28 for Ex n page 28.

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.

Marking (name plate)

Figure 1: Ex marking (example, Atex / IECEx)
Figure 2: Ex marking (example, cFMus)
Figure 3: Ex marking (example, EAC Ex)