Allen-Bradley PLC-5 User Manual

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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 online 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.