1769-L20, 1769-L30 CompactLogix™ Controllers
3
Publication 1769-IN047C-EN-P - April 2003
Important User Information
Because of the variety of uses for the products described in this publication, those responsible for the
application and use of these products must satisfy themselves that all necessary steps have been taken to
assure that each application and use meets all performance and safety requirements, including any applicable
laws, regulations, codes and standards. In no event will Rockwell Automation be responsible or liable for
indirect or consequential damage resulting from the use or application of these products.
Any illustrations, charts, sample programs, and layout examples shown in this publication are intended solely
for purposes of example. Since there are many variables and requirements associated with any particular
installation, Rockwell Automation does not assume responsibility or liability (to include intellectual property
liability) for actual use based upon the examples shown in this publication.
Allen-Bradley publication SGI-1.1,
Safety Guidelines for the Application, Installation and Maintenance of
Solid-State Control
(available from your local Rockwell Automation office), describes some important
differences between solid-state equipment and electromechanical devices that should be taken into
consideration when applying products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in whole or part, without written permission of
Rockwell Automation, is prohibited.
Throughout this publication, notes may be used to make you aware of safety considerations. The following
annotations and their accompanying statements help you to identify a potential hazard, avoid a potential
hazard, and recognize the consequences of a potential hazard:
!
WARNING
Identifies information about practices or circumstances that can cause an explosion in a
hazardous environment, which may lead to personal injury or death, property damage,
or economic loss.
ATTENTION
!
Identifies information about practices or circumstances that can lead to personal injury
or death, property damage, or economic loss.
IMPORTANT
Identifies information that is critical for successful application and understanding of the
product.