| Specifications | SISTEMA software for the assessment of safe controls on machines \Focus on IFA s work No. 0277\ IFA |
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| Specifications | SISTEMA software for the assessment of safe controls on machines \Focus on IFA s work No. 0277\ IFA |
| Business section |
| Specifications | SISTEMA software for the assessment of safe controls on machines \Focus on IFA s work No. 0277\ IFA |
| Suggested Link Details/Purchase | |
| Content | 0277 Edition 10/2012 617.0-IFA:638.22 SISTEMA software for the assessment of safe controls on machines Problem For well over a decade, safety-related parts of machine controls have been designed and evalu- ated in accordance with the EN 954-1 safety stan- dard. In order for greater consideration to be given to new technologies such as electronics and soft- ware, this standard required thorough revision. In the revised standard, EN ISO 13849-1:2008, proven deterministic characteristics and new re- quirements concerning the probability of failure are combined in a practicable manner. These methods for calculation of the probability of failure and handling of reliability data are still rela- tively unknown in the machine construction sector. Despite simple approaches, their implementation remains complex in practice. In order to promote acceptance of the new methods among machine manufacturers, control system manufacturers, users and test bodies, tools are required which enable application errors to be avoided during the design, integration and evaluation of safety-related aspects. Activities One of several tools developed at the IFA is the SISTEMA PC program for the safe control of machines. Essentially, this tool enables users to calculate the probability of failure including the attained Performance Level for control systems, whether planned or already implemented, and to do so quickly and easily. The requirements for the SISTEMA user interface with risk graph program were defined following systematic exami- nation of the standard in its final form, and with the incorporation of users experience with a software prototype developed beforehand. The various methods set out in the standard are modelled in the software such that users need only enter their data in manageable input dialogs with tree structure, and the result is calculated automatically and continuously updated. Besides robust analysis functions, user-friendly functionality has also been implemented, such as the results prognosis, and a database for standard components and control structures which have already been analysed. The serviceability of the software is enhanced by documentation of the |
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| Following Datasheets | aifa0293e_2 (2 pages) aifa0294e_2 (2 pages) aifa0295e_2 (2 pages) aifa0297e_2 (2 pages) aifa0299e_2 (2 pages) aifa0300e_2 (2 pages) aifa0302e_2 (2 pages) aifa0304e_2 (2 pages) aifa0308e_2 (2 pages) aifa0310e_2 (2 pages) |
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