Rockwell Automation 442L SC300 Safety Sensor User Manual - Manual (Page 7)

Rockwell Automation Publication 10000202762 Ver 00 - January 2012 5
Chapter 1 About This Document
The term “dangerous state”
The dangerous state (standard term) of the machine is always shown in the drawings and
diagrams of this document as a movement of a machine part. In practical operation, there
may be a number of different dangerous states:
• Machine movements
• Electrical conductors
• Visible or invisible radiation
• A combination of several risks and hazards.