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

User Manual
GFK-2911E
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 1, Division 2, Groups A, B, C and D Hazardous Locations, or
nonhazardous locations only.
WARNING
•
•
•

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.

ATEX Marking

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

Module Installation

Mounting the EDS001

The EDS001 mounts in any suitable main rack I/O slot of the RX3i backplane. Refer to the
PACSystems RX3i System Manual, GFK-2314 Chapters 2 & 3 for details on how to
mount/dismount RX3i modules, and for instructions with respect to slot choices available.
The EDS001 may be installed while the rack is under power. Refer to the PACSystems RX3i
System Manual, GFK-2314 Chapters 2 for hot swap details.
Clearance
At least 75mm (3") must remain clear above and below the module to allow for convection
cooling.
Power Connection
Once the module has been mounted in the RX3i rack, it will receive power from the installed
power supply via the RX3i backplane.
Installation
Explosion hazard substitution of components may impair suitability for Class 1,
Division 2.
When in hazardous locations, Turn off power before replacing or wiring modules.
Do not connect or disconnect equipment unless power has been switched off or the
area is known to be non-hazardous.
Chapter 2
Sep 2019
14