Rockwell Automation 840E Solid-State Level Sensors - Manual (Page 2)

Important User Information
Solid-state equipment has operational characteristics differing from those of electromechanical equipment. Safety
Guidelines for the Application, Installation and Maintenance of Solid-State Controls (Publication SGI-1.1 available
from your local Rockwell Automation sales office or on-line at http://www.ab.com/manuals/gi) describes some
important differences between solid-state equipment and hard-wired electromechanical devices. Because of this
difference, and also because of the wide variety of uses for solid-state equipment, all persons responsible for applying
this equipment must satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting
from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables
and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility
or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment,
or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell
Automation, Inc. is prohibited.
Throughout this manual, when necessary we use notes to make you aware of safety considerations.
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.
IMPORTANT
Identifies information that is critical for successful application and understanding
of the product.
ATTENTION
Identifies information about practices or circumstances that can lead to personal
injury or death, property damage, or economic loss. Attentions help you:
•
identify a hazard
• avoid a hazard
• recognize the consequence
SHOCK HAZARD
Labels may be located on or inside the equipment (e.g., drive or motor) to alert
people that dangerous voltage may be present.
BURN HAZARD
Labels may be located on or inside the equipment (e.g., drive or motor) to alert
people that surfaces may be dangerous temperatures.