Important user information – Rockwell Automation 1753-L28BBB-M_P GuardPLC 1600 Controllers User Manual
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Rockwell Automation Publication 1753-IN001C-EN-P - June 2010
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 
.rockwellautomation.com/literature/
) 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.
ATTENTION: 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. 
Attentions help you identify a hazard, avoid a hazard and recognize the 
consequences.
SHOCK HAZARD: Labels may be on or inside the equipment, for example, 
drive or motor, to alert people that dangerous voltage may be present.
BURN HAZARD: Labels may be on or inside the equipment, for example, 
drive or motor, to alert people that surfaces may reach dangerous 
temperatures.
IMPORTANT
Identifies information that is critical for successful application and 
understanding of the product.