BS 6491-1(1984) : 1984已作废

Describes the general requirements for electro-sensitive safety systems (ESSS) for the safeguarding of industrial machinery for design, construction and testing with special attention directed to features that ensure reliability of operation and any failure of the equipment will not result in danger to persons. Excludes the particular requirements for specific types of sensing units and systems relying on mechanical means for detection and those employing means other than the interruption of electrical power as the primary output signal. Includes testing, marking and accompanying documents. Illustrates a block diagram of an electro-sensitive safety system illustrating a typical application to a machine.

BS EN 61496-1 : 2013

BS IEC 61496-2 : 1997