ReeR - IEC SIL - ConclusionsSafety-related PLCs, safety bus, actuators, safety light curtains and in general all complex safety-related devices with integral programmable logics and embedded software, if used to build a SRECS, shall comply with the requirements of the appropriate Product Standards if applicable and with IEC as regards functional safety. IEC is the international reference standard on functional safety of electric, electronic and programmable electronic systems. The Standard consists of seven sections. IEC retains the features of IEC , but simplifies safety requirements of both hardware and software adapting them to the specific needs of industrial machinery. The standard is based on two basic concepts:. Specifies all design aspects needed to attain the required level of functional safety, from assignment of safety requirements to documentation, design management up to validation.
Series: IEC/TR 62061-1
With its systematic procedure, the PAScal Safety Calculator is said to make it easier for users to perform the safety assessment in compliance with current functional safety standards. The calculated result is compared with the safety parameters required for the safety functions and is displayed in graphical form. Users can easily see how individual components influence the respective safety functions. The practical nature of the tool is impressive thanks to improved libraries, which store the safety-related characteristic data for all Pilz products and for other manufacturers that have created libraries for use on Sistema the Software Assistant produced by IFA. It is simple to import components from manufacturer's libraries in either Sistema or Excel format. New macro functionality has been built in to PAScal v1. PAScal can be freely downloaded by registered users of the Pilz website registration simply requires you to provide an email address for a user name, and a password.
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