Use In Potentially Explosive Atmospheres; General Requirements; Explosion Protection Approvals; Standards Applied - ABB TZIDC-200 Operating Instruction

6 TZIDC-200 DIGITAL POSITIONER | OI/TZIDC-200-EN REV. D

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-200 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
• ATEX Ex d / Ex i, for details, see page 10.
• IECEx Ex d / Ex i, for details, see page 12.
• cFMus, for details, see page 14.
• EAC TR-CU-012, for details see page 23.

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 left, 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: Marking (example)
Figure 2: Additional plate Ex marking cFMus (example)
Figure 3: Ex marking (example, EAC Ex)
Note
Before the initial installation and commissioning, the operator
decides whether to use the device:
• Either as a device with the intrinsically safe 'Ex i' type of
protection or
• Or as a device with the 'Ex d' type of protection
The operator must permanently mark the selected type of use on
the name plate.
Specific conditions of the surrounding environment, such as
chemical corrosion, must be taken into account when affixing
the permanent mark. Only the manufacturer must change the
selected type of use following a re-examination