Installation In Hazardous Areas; Atex Zone 2; Atex Marking; Module Installation - Emerson PACSystems RX3i User Manual

User Manual
GFK-2949E
providing at least a pollution degree 2 environment. For details about installing RX3i rack
systems, refer to PACSystems RX3i System Manual, GFK-2314.
2.3

Installation in Hazardous Areas

The following information is for products bearing the UL marking for Hazardous Areas or
ATEX marking for explosive atmospheres:
CLASS 1 DIVISION 2 GROUPS ABCD
• This equipment is an open-type device and is meant to be installed in an enclosure
suitable for the environment that is only accessible with the use of a tool.
• Suitable for use in Class I, Division 2, Groups A, B, C and D Hazardous Locations, or
nonhazardous locations only.
WARNING
• EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR
CLASS I, DIVISION 2.
• WHEN IN HAZARDOUS LOCATIONS, TURN OFF POWER BEFORE REPLACING OR WIRING
MODULES; AND
• DO NOT CONNECT OR DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED
OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS.
2.3.1

ATEX Zone 2

The module must be mounted in an enclosure certified in accordance with EN60079-15 for
use in Zone 2, Group IIC and rated IP54. The enclosure shall only be able to be opened with
the use of a tool.
2.3.2

ATEX Marking

II 3 G Ex nA IIC T5 X Ta: 0 - 60C
2.4

Module Installation

2.4.1

Mounting the EIS001

The EIS001 mounts in any suitable main rack I/O slot of the RX3i backplane. Refer to
PACSystems RX3i System Manual, GFK-2314 Chapters 2 and 3 for details on how to
mount/dismount RX3i modules and slot choices available.
The EIS001 may be installed while the rack is under power. Refer to PACSystems RX3i System
Manual, GFK-2314 Chapter 2 for hot-swap details.
At least 75 mm (3") must remain clear above and below the module to allow for convection
cooling.
Installation
Chapter 2
Dec 2020
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