Technical articles

We offer a selection of technical articles dealing with the safety of machines and plants - both in general and on particular aspects of product families for machine safety. Some of the contributions are from Schmersal employees, others are written by independent specialists, e.g. from industrial assessment organisations. The applicable PDF file can be stored on your computer by means of the download function.

  • ‘Machine safety integral to effective implementation of AUTOMATION & INDUSTRY 4.0’

    Interview with Mr. Sagar Bhosale, Managing Director, Schmersal India

    Involving machine safety at an early stage of the machine conception in the era of Industry 4.0 and increased automation helps not only in achieving productivity goals associated with these technologies, but is also economical, opines Sagar Bhosale, Managing Director, Schmersal India. In an interview, he talks about The Schmersal Group’s scale and presence, its manufacturing facilities in India and how it is using India as a R&D hub for meeting local, as well as global requirements. Excerpts:
    Source: ENGINEERING REVIEW, India, Divya Media Publications Pvt.Ltd., SEPTEMBER 2019

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  • SAFETY & INTEGRATION - Interview

    Launching innovations as quickly as possible

    “In times of rapid technological change, we need to make sure that we deliver our customers with innovations and “working” products as early as possible”, says Axel Schneider, Chief Technology Officer, Schmersal Group, in this interview with Juili Eklahare from Indian magazine A&D. He explains how Industry 4.0 affects machine safety, what makes the company unique and how it is more economical to consider safety technology at the planning stage.
    Source: A&D, Automation and Digitisation, publish-industry India Pvt. Ltd.
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  • Advanced safety solutions can help reduce machine downtime

    Interview with Ramji Singh, Vice President Sales & Marketing, Schmersal India  

    Schmersal Group, an international market leader in the field of machine safety, entered India in 2007 and by 2013, it had its own manufacturing facility. In 2018, it even set up its global IT centre in India, which is the company’s first such outside Germany. We have Ramji Singh expressing his confidence in Schemersal’s growth in India, thanks to rising awareness of machine safety. Singh observes that engineers in India are realizing that advanced safety solutions can indeed help reduce machine downtime and increase productivity.

    Source: T&D India, August 2019, Amber Media LLP

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    Safety controller with OPC UA interface simplifies predictive maintenance

    Collecting and evaluating data in Industry 4.0 forms the basis for process improvements and predictive maintenance. This is made easier thanks to a safety controller with built-in OPC UA server which enables a consistent flow of data from the sensor systems to the central IT systems.

    Source: Der Betriebsleiter 4/2019, Vereinigte Fachverlage GmbH

    Autor: Ulrich Bernhardt, Head of Sales Control Units, Schmersal Group, Wuppertal/Wettenberg

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    Safety light curtains for contactless securing of hazardous areas in food production

    Food production is among the most challenging industries as there are particularly stringent requirement for sensor systems and safety technology. The strict hygiene requirements with frequent, thorough cleaning are a challenge for all electrical and electronic components. A new series of safety light curtains and light grids has been developed for just these awkward conditions.

    Source: messtec drives Automation, 4/2019, WILEY-VCH Verlag GmbH & Co.

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    Decentralised "safety separated" system with PROTECT PSC1 safety controller from Schmersal

    Large machine – little wiring required. The company Gebr. Schroeder in Warendorf, Germany, which specialises in wood flooring production machines, utilises an efficient safety solution from Schmersal for its system for longitudinal and cross-profiling of planks. The modular PROTECT PSC1 safety controller forms the heart of the system.

    Source: Industrielle Automation, 3/2019, Vereinigte Fachverlage GmbH

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  • SCHMERSAL : Protecting human & machine assets for safer workplaces

    Interview with Ramji Singh, VP Sales & Marketing, Schmersal India

    "Embracing the ‘Make in India’ initiative, the manufacturing facility of Schmersal India is enhancing its product range by designing and manufacturing customised safety products as per the needs of the customer specific applications in India", says Ramji Singh, VP Sales & Marketing, Schmersal India, in an interview with the magazine MACHINE TOOLS WORLD.
    Source:  MACHINE TOOLS WORLD, MARCH 2019, website:

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  • Safely connected

    Safety Fieldbox for universal use

    The Schmersal Group has presented a newly developed fieldbox at SPS IPC Drives for the first time. This allows up to eight safety switchgear devices of different designs to be simply connected to various safety controllers using “Plug&Play”. The machine manufacturer benefits from the reduced installation times, while the operator can enjoy increased flexibility and transparency.

    Author: Udo Weber, Safety Technology Product Manager, Schmersal Group

    Source: SPS Magazin, 11/2018, TeDo Verlag

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  • Safety solutions for the construction materials industry – a coordinated concept

    CRH Structural Concrete Belgium decided to commission for its eleven locations integrated safety solutions from a single supplier: the Schmersal...

    For the Irish CRH Group, the second-largest supplier of construction materials worldwide, occupational safety is a “strategic priority.” It is for that reason that the Group continuously invests in updating its safety systems. The subsidiary CRH Structural Concrete Belgium decided to commission for its eleven locations integrated safety solutions from a single supplier: the Schmersal Group.

    Source: BFT INTERNATIONAL 02·2019 (Website:

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  • Safety solutions for the construction materials industry

    With Schmersal, CRH Belgium now receives everything from a single source

    Occupational safety is a strategic priority for CRH. As part of continual investment in its safety systems, CRH Structural Concrete Belgium (CRH Belgium) opted to equip its 11 locations with safety solutions from the Schmersal Group.

    Source: Global Cement Magazine, January 2019

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    Safety technology for safety doors increases machine availability  

    Machines from Eckel & Sohn are pioneers when it comes to sorting, supplying, screwing and assembling closures. To safeguard its plants, the company has come to rely on state-of-the-art bolt interlocks that fit to the safety doors to reliably monitor their positions.

    Source: Lebensmitteltechnik, 3/2018

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  • Proactive over reactive

    Safety to Cloud solution incorporates safety technologies into predictive maintenance concepts

    Predictive maintenance is a key component of industry 4.0, whose principal advantage can be summarised in two words: economic efficiency. To optimise machine capacity within the sense of future anticipated maintenance, a comprehensive range of data needs to be collected, beginning at the very lowest machine level. Cloud solutions support the user with the analysis and utilisation of the data.

    Source: messtec drives Automation, 4/2018, WILEY-VCH Verlag publishing house

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    A Smart Safety Solution for safety switchgear diagnostics

    Comprehensive information about the status of a machine or plant: This brief formula turns one of the key demands of operators into a reality, a demand that also applies to safety-related components. With the Smart Safety Solution, this demand also becomes a reality. The solution gathers diagnostics data and transfers it via gateway for display and evaluation in the cloud.

    Source: KE NEXT, 5/2018, verlag moderne industrie, publishing house

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  • Smart medical products - safely produced

    MZM 100-AS safety interlocks from Schmersal with integrated ASi SaW interface

    Harro Höfliger is highly specialised when it comes to web processing, and the development and launch of the company’s news PMK series has been particularly significant. One of the most striking features of the new machines are the large transparent safety doors. To monitor the position of the doors, Harro Höfliger uses electromagnetic safety interlocks with integrated AS-I Safety interface from Schmersal, as on its existing MKC series cartoning machines.

    Source: SPS Magazin, 4/2018, TeDO publishing house

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  • Packaging machine with optimal safety and hygiene concept

    The highlight of the Schmersal safety solution: the SD bus system

    Speed, safety and hygiene are just a few of the basics that food manufacturers have come to expect. Meypack Verpackungssystemtechnik GmbH is now able to offer a unique new development in the form of its VP 600 cardboard packaging machine, which is capable of processing smaller products in smaller formations in a smaller floor area. The safety solution, based on an SD bus system, which is provided by Schmersal, is as space-saving as it is hygienic and supports the machine concept.

    Source: ME Magazin, 4-2018, AGT publishing house

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  • ‘We’ll need to start looking at safety and security as one’

    Safety sensors in robot systems

    Christian Heller, Head of Sales for Central Germany at Schmersal, speaks to us about the significance of safety and security solutions for collaborating robots and the need for more intensive collaboration amongst safety and security experts in the age of Industry 4.0.

    Source: messtec drives Automation, 8/2018, WILEY-VCH publishing house

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    Seydelmann reliant on hygienic cross switches for its operator terminals

    Machine manufacturer Seydelmann has chosen the cross buttons and cross switches from Schmersal’s N range for its control elements, devices that are both hygienic and robust and that have been sealed multiple times to guard against jet water. In addition,the Stuttgart-based machine manufacturer is also currently testing a cross switch that can be operated with the knee.

    Source: dei – Prozesstechnik für die Lebensmittelindustrie, issue 7-8, 2018

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  • Machine safety 4.0

    Generating data from safety switchgear for condition monitoring

    In modern condition monitoring concepts, machine components have become ‘data collectors’, offering information about the anticipated availability of plants and systems. The benefits of these concepts are obvious, and machine safety can and must be integrated. Siegfried Rüttger, Project Manager for Industry 4.0 at the Schmersal Group, explains the background and opportunities.

    Source: Der Betriebsleiter, issue 11-12/2018, Vereinigte Fachverlage publishing house

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  • Machine safety in the age of digitisation

    Schmersal offers systems and solutions for machine safety

    Digitisation in industrial production imposes new requirements on machine safety. It also lays the foundations for new solutions. This article looks at the effects of Industry 4.0 on  functional machine safety.

    Source: mpa - messen, prüfen, automatisieren, issue 9-2018, b-Quadrat c

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  • Machining centre 4.0 with innovative safety solution

    Solenoid interlock especially for large machining centres

    Mandelli Sistemi employs a 5-axis machining centre to process hard titanium alloys for the aerospace industry. The company uses a safe solenoid interlock with Bowden cable from Schmersal to automate and secure the closing process on the large sliding doors fitted to the titanium machine.

    Source: Factory Equipment, 16 October 2018, Data Team Business Media Limited, UK

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  • Hygienic design is an absolute must

    The Schmersal Group has developed the N-range specially for the food industry

    Manufacturing and operating food production machines involves complying not only with norms and guidelines on machine safety, but also with very strict hygiene and design requirements. This is why the Schmersal Group has developed a whole range of Hygienic Design safety products for this sector - from control elements and safety sensors to optoelectronic safety light grids.

    Source: FOOD & DRINK, PROCESSING & PACKAGING, Issue 20 2018, M H Media Global Ltd.

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    Link to the online Magazine (see page 62-63)

  • “Industrie 4.0 would be inconceivable without functional machine safety”

    Schmersal Group showcases advanced safety technology at Automation Expo 2018 in Mumbai

    The Schmersal Group provides customers around the globe with components, systems and solutions for machine safety and occupational health and safety. The company, with headquarters based in Germany, is one of the world’s market leaders in this ambitious field. Schmersal has a manufacturing facility in Ranjangaon near Pune and is the only company producing safety switches directly in India. At Automation Expo 2018 in Mumbai the Schmersal Group will showcase advanced, Industrie 4.0 compliant safety technology. Ramji Singh, Vice President Sales & Marketing at Schmersal India, provides glimpses of evolving trends, innovations and market developments in the machine safety segment.

    Source: Engineering Review, Volume 18, No 4, August 2018

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  • Interview with Ramji Singh, Schmersal India

    “Think about Machine Safety Right from the Start to Achieve Greater Cost Efficiency”

    With its tailor-made systems and industry solutions for machine safety, the Schmersal Group offers an extensive range of safety switching appliances and systems worldwide for the protection of human life and machines. In an Interview with Industrial Product Review (IPR), Ramji Singh, Vice President, Sales and Marketing, Schmersal India Pvt. Ltd. talks about how Industry 4.0 goes hand in hand with Safety 4.0, the current scenario of Indian industry in respect of industrial safety: Ramji Singh welcomes the decision of the BIS (Bureau of Indian Standards) to adopt the ISO Standards for machine safety.

    Source: Industrial Product Review (IPR), Pune, July 2018

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  • Hygienic design is an absolute must

    Safety solutions for the food industry

    Manufacturing and operating food production machines involves complying not only with norms and guidelines on machine safety, but also with very strict hygiene and design requirements. This is why the Schmersal Group has developed a whole range of Hygienic Design safety products for this sector - from control elements and safety sensors to optoelectronic safety light grids.

    Source: P&A. Perspektive Prozessindustrie, issue 3.2018

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  • Consistent system solutions for the loose goods sector

    Sales partnership with Scanmin Africa

    In July, Schmersal entered into a sales partnership with Scanmin Africa in order to provide an extended range of system solutions for the loose goods industry. In an interview, Udo Sekin, the sector manager for heavy industry at the Schmersal Group, explains the details and background.

    Source: etz, 12/2017, VDE VERLAG GMBH

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  • Safety to cloud as an Industry 4.0 compliant solution

    Schmersal expands its business in Turkey and Eastern Europe.

    Data is the new gold in Industry 4.0. Machines, tools and workpieces will become cyber-physical systems which collect and exchange data. The result is a whole new quality of production data which enables decentralised production control in real-time. But the digital transformation poses new challenges for the safety technology. Schmersal Group now presents an innovative safety solution which is suitable for worldwide applications. The company, one of the global market leaders in safety technology, has recently expanded its business in Turkey and Eastern Europe.

    Source: WORLD OF INDUSTRIES 1/2018

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  • Data is the new gold

    Focus on safety

    SAFETY - With its range of different solutions for safe signal evaluation, the Schmersal Group offers individually tailored and cost-effective solutions and increased productivity for the user.To ensure safe signal evaluation, safety technology provider Schmersal provides solutions based on safety relay modules and safety controllers with a wide range of visualisation and diagnostic options as a function of the complexity and connection depth of the safety circuits.

    Author: Christian Heller, Head of Product Management, Schmersal Group

    Source: :K - Kompetenz für Konstrukteure, Henrich Publikationen Gmbh

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  • New requirements for machine safety in Industry 4.0

    Special: Functional Safety

    Industry 4.0 would be inconceivable without functional machine safety. But the digital transformation poses new challenges for experts in safety technology. They need to keep up with the rapid pace of technical developments, even in terms of standardisation. At the same time, safety technology needs to become an integral part of every system, not only to protect the employees from injuries, but also as a tool to increase production Efficiency, says Schmersal

    Author: Siegfried Rüttger, Project Leader Industry 4.0, Schmersal Group

    Source: magazine "open automation", 6/17

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  • A standard investigated

    Interview with Siegfried Wolf, head of tec.nicum academy and tec.nicum consulting

    In June last year, the reworked DIN EN ISO 13849-1 standard was published. The editorial team chatted to machine safety expert Siegfried Wolf from K.A. Schmersal GmbH & CO. KG about how the changes and additions will impact machine constructors.

    Source: magazine DER KONSTRUKTEUR 11/2017

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  • Two worlds growing together

    Machine safety in Industry 4.0 concepts: Utilising existing safety hardware, communications standards and ideas

    What are the implications of production according to the principles of Industry 4.0 for functional safety? Humans and robots will increasingly be working together without intervening safety fences and the safety-related signals are also processed at higher control levels. The prerequisites for this are already in place, says Schmersal

    Author: Siegfried Rüttger, Industry 4.0 Project Leader, Schmersal Group

    Source: Extract from SPS-MAGAZIN, specialist automation technology journal, Issue 10/2017

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Context Column