BS EN 574:1997- Safety of machinery. Two-hand control devices. Functional aspects. Principles for design
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BS EN 574 describes the main characteristics of two-hand control devices for the achievement of safety and sets out combinations of functional characteristics for three types. It provides requirements and guidance on the design and selection (based on a risk assessment) of two-hand control devices including their assessment, the prevention of defeat and the avoidance of faults. BS EN 574 also provides requirements and guidance for two-hand control devices containing a programmable electronic system. BS EN 574 applies to all two-hand control devices. It does not apply to devices intended to be used as enabling devices, hold to run devices and as special control devices.
BS EN 574 does not specify with which machines two-hand control devices shall be used. It also does not specify which types of two-hand-control device shall be used. Moreover it does not specify the distance between the two-hand control device and the danger zone.
