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Electronic Emergency Stop Device from BERNSTEIN AG expands portfolio to include smart security

Protective equipment for machines and plants are often protected by mechanical safety switches, which are typically connected in series especially where multiple safety doors are concerned. Here the requirement of the Machinery Directive, according to which every plant must be equipped with an emergency stop device, has to be considered. In addition, fault masking* is an often-underestimated problem which has to be thought of to avoid danger to the machine operator. With the Safety Emergency Unit, (SEU) BERNSTEIN has developed a simple electronic solution that makes both challenges a thing of the past. The SEU will be premiered at this year’s SPS in Nuremberg.

Thanks to the M12 connection, the Safety Emergency Unit can be easily integrated into an existing electronic SRF daisy chain. The requirements of the Machinery Directive, according to which every plant must be equipped with an emergency stop device, are thus fulfilled. And the problem of fault masking no longer exists due to this electronic solution. "Our version of an emergency stop device is unique on the market to date," confirms Philip Aumann, Product Manager at BERNSTEIN AG. "Together with the SRF Smart Safety Sensor, the SEU forms the optimum total package, a Smart Safety System, for the electronic monitoring of safety guards," adds Philip Aumann.

Although in series connection, it is easy to see which emergency stop device has been activated. Each device in this Smart Safety System provides a wide range of data for intelligent production, enabling predictive maintenance. These are made available via the DCD system, which transmits the data of all sensors and emergency stop devices connected in series to the control system via IO-Link. This allows early fault detection and avoids costly downtime or even damage to the machine.

Video tip on the topic:

What is fault masking?

BERNSTEINs Safety Emergency Unit SEU

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Den elektronischen Not-Halt „SEU“ stellt BERNSTEIN auf der SPS 2018 in Nürnberg vor.
BERNSTEIN presents the electronic emergency stop "SEU" at the SPS 2018 in Nuremberg.
Mit der Safety Emergency Unit (SEU) hat BERNSTEIN eine einfache elektronische Lösung entwickelt, die Fehlermaskierung verhindert und einfach in eine SRF Sicherheitskette integriert werden kann.
With the Safety Emergency Unit (SEU), BERNSTEIN has developed a simple electronic solution that prevents faultmasking and can be easily integrated into an SRF daisy chain.
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