M&I – AC 900F Controller 9
 
About this book
Use of warning, caution, information, and tip icons
This publication includes Warning, Caution, and Information where appropriate 
to point out safety related or other important information. It also includes Tip to 
point out useful hints to the reader. The corresponding symbols should be 
interpreted as follows:
Although Warning hazards are related to personal injury, and Caution hazards are 
associated with equipment or property damage, it should be understood that 
operation of damaged equipment could, under certain operational conditions, result 
in degraded process performance leading to personal injury or death. Therefore, 
comply fully with all Warning and Caution notices.
Electrical warning icon indicates the presence of a hazard which could result in 
electrical shock.
Warning icon indicates the presence of a hazard which could result in personal 
injury.
Caution icon indicates important information or warning related to the concept 
discussed in the text. It might indicate the presence of a hazard which could 
result in corruption of software or damage to equipment/property.
Information icon alerts the reader to pertinent facts and conditions.
Tip icon indicates advice on, for example, how to design your project or how to 
use a certain function