Hazardous locations – Rockwell Automation 6181X-12TPXPDC Industrial Integrated Computers for Hazardous Locations User Manual
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Rockwell Automation Publication 6181X-UM001B-EN-P - May 2011
Chapter 2 Installation
Hazardous Locations
This equipment is suitable for these location categories.
The following statement applies when the equipment is used in a hazardous
location.
Cat. No.
Region
Class/Division/Zone Rating
Temperature
6181X-NPXPDC,
Non-display
United
States
Class I Division 2, Groups A, B, C, D T4
-20 °C £ T
a
£ 70 °C
(1)
(-4 °F < T
a
< 158 °F)
Class I Zone 2, IIC, T4
Canada
Class I Division 2, Groups A, B, C, D T4
Class I Zone 2, IIC, T4
Europe
ATEX II 3 GD, Ex nA IIC Gc, Ex tc IIIC Dc
6181X-12TPXPDC,
Display
United
States
Class I Division 2, Groups A, B, C, D T4
-20 °C £ T
a
£ 55 °C
(-4 °F < T
a
< 131 °F) (Display side)
-20 °C £ T
a
£ 70 °C
(-4 °F < Ta < 158 °F) (Backside)
(1)
Class I Zone 2, IIC, T4
Canada
Class I Division 2, Groups A, B, C, D T4
Class I Zone 2, IIC, T4
Europe
ATEX II 3 GD, Ex nA nC IIC T4 Gc,
Ex tc IIIC T135° Dc
(1) The entire 6181X-NPXPDC computer and the backside of the 6181X-12TPXPDC display are required to be mounted in a
restricted access location.
WARNING: Explosion Hazard
•
Substitution of components may impair suitability for hazardous locations.
•
Do not disconnect equipment unless power has been switched off and
area is known to be nonhazardous.
•
Do not connect or disconnect components unless power has been
switched off.
•
Peripheral equipment must be suitable for the location it is used in.
•
In the U.S. all wiring must be in accordance with Class I, Division 2 wiring
methods of Article 501 of the National Electrical Code, and in accordance
with the authority having jurisdiction. Refer to control drawing
information in this document for allowable circuit parameters in Class I,
Division 2 applications.
•
In Canada all wiring must be in accordance with Section 18-1J2 of the
Canadian Electrical Code, and in accordance with the authority having
jurisdiction.
•
For European Zone 2 applications transient limiting shall be provided in
the application that limits transient overvoltages to not more than 40%
above the applied voltage.
•
For European Zone 2 applications, non-display computers must be
mounted completely within an enclosure rated IP54 minimum.
•
For European Zone 2 (gases) applications computers with displays must be
mounted through the wall or door of an enclosure rated IP54 minimum. For
European Zone 22 (dusts) applications computers with displays must be
mounted through the wall or door of an enclosure rated IP6x minimum.
Computers with displays support enclosures rated up to IP66.
•
For European Zone 2 applications do not use the USB ports unless the
area is known to be nonhazardous.
•
These devices shall be properly connected to ground in the final application
by using the ground terminal screw provided on the computer chassis.