Yaskawa Sigma-5 User Manual: Setup for Linear Motors - Manual (Page 7)

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 Safety Information
The following conventions are used to indicate precautions in this manual. Failure to
heed precautions provided in this manual can result in serious or possibly even fatal
injury or damage to the products or to related equipment and systems.
Indicates precautions that, if not heeded, could
possibly result in loss of life or serious injury.
Indicates precautions that, if not heeded, could result
in relatively serious or minor injury, damage to the
product, or faulty operation.
In some situations, the precautions indicated could
have serious consequences if not heeded.
Indicates prohibited actions that must not be
performed. For example, this symbol would be used to
indicate that fire is prohibited as follows:
Indicates compulsory actions that must be performed.
For example, this symbol would be used as follows to
indicate that grounding is compulsory:
WARNING
CAUTION
PROHIBITED
MANDATORY