JIS B 9704-2:2000 English Edition

Safety of machinery - Electro sensitive protective equipment Part 2: Particular requirements for equipment using active opto electronic protective devices (AOPDs)

Abstract

This clause of part 1 is replaced by the following:This part of JIS B 9704 specifies requirements for the design, construction and testing of electro-sensitive protective equipment (ESPE) for the safeguarding of machinery, employing active opto-electronic protective devices (AOPDs) for the sensing function. Special attention is directed to features that ensure an appropriate safety-related performance is achieved. An ESPE may include optional safety-related functions, the requirements for which are given in annex A of part 1. This part does not specify the dimensions or configurations of the detection zone and its disposition in relation to hazardous parts for any particular application, nor what constitutes a hazardous state of any machine. It is restricted to the functioning of the ESPE and how it interfaces with the machine. Excluded from this part are AOPDs employing radiation at wavelengths outside the range 400 mm to 1 500 mm. This part may be relevant to applications other than those for the protection of persons, for example the protection of machinery or products from mechanical damage. In those applications additional requirements may be necessary, for example when the materials that are to be recognized by the sensing function have different properties from those of persons. This part does not deal with EMC emission requirements

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