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The current structure of the Elevator Directive and the status of the associated elevator standards provide engineers with the tools and scope for new and innovative PES systems. These systems have already found their way into aviation and the automotive industry, and are now the new game changer for elevators as well. Liftinstituut has plenty of experience in certifying PES systems and is keen to guide you towards PESS certification.

PESS? Let Liftinstituut guide you

Modern cars and planes can’t do without it anymore: electronics and software. In a relatively small time a lot of control and safety systems became software based. Elevators and escalators are following rapidly. Elevators and safety are inseparably connected to each other in the history of the elevator technology. National and international standards have long been an adequate level of prescribed safety, on the basis of the specific state of the art.

Since the introduction of the European Lifts Directive it is possible to deviate from those standards, as long as an equivalent level of safety is demonstrated. This is where Programmable Electronic Safety Systems (PESS) became possible for the first time. Liftinstituut is there to guide you and to certify your PESS products. 


  • Do you want Liftinstituut to guide you towards PESS certification? Please feel free to contact us for further information.
  • For indepth information on PESS, PESSRAL and PESSRAE you can also read this article in our knowledge center. 

PESS certification of Hitachi’s PES-02 safety controller

Mr. Hidenori Sekine, Elevator Development Dept. Hitachi, Ltd. Building Systems Business Unit: “Hitachi’s PES-02 electronic safety controller is a SIL 3 certified electronic safety device that is intended to be applied as an ‘add-on system’, independent from the elevator control system. It is able to fulfill several safety functions like amongst others check of emergency terminal slowdown and ascending car overspeed and detection of unintended car movement with open doors. We selected Liftinstituut for this PESS certification.”

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Liftinstituut certificate for SETS-system Mitsubishi Elevator

Mr. Yoshikatsu Hayashi, Senior Manager Elevator Development Dept. INAZAWA WORKS - Mitsubishi Electric Corporation: “The Smooth Emergency Terminal Slowdown System (SETS) is a lift safety component. It can drastically reduce the pit depth and overhead rather than the application of the conventional system, because the SETS can smoothly change the overspeed value to a lower level towards the shaft terminal and therefore reduce the buffer stroke simply. ” 

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EC type examination of Cibes platform lift (PESS)

Mr. Johan Strand, project manager R&D, Cibes Lift Group: “Liftinstituut did an EC type examination of the Cibes A5, Platform lift for persons with or without impaired mobility. The platform drive system is a spindle system with double brakes used in several systems from Cibes. The special feature in this EC type examination is that two controllers are involved; an existing computer-based controller with intelligent nodes and a new controller with a PESS system (Programmable Electronic Safety System)." 

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