Schmersal machine safety at SPS 2025: interlocks, Safety Fieldbox, 3D ToF camera

Posted by – December 14, 2025
Category: Exclusive videos

Schmersal is a global specialist in machine safety, focusing on safety sensors and safety logic for hazardous motion in industrial machinery. The demo in this video centers on a robot cell where ABB robots, safety laser scanners, and safety light curtains together create monitored zones around moving equipment, so that human access immediately triggers a safe stop. This illustrates Schmersal’s “Turning workplaces into safer places” mission in a very concrete, real-world setup https://www.schmersal.com/


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Ulrich Bernardt highlights the breadth of Schmersal’s interlock portfolio, from the ultra-compact AZM40 solenoid interlock for small safety doors and flaps, to the AZM150 electromechanical solenoid interlock with around 1500 N locking force and a 360° rotating actuator head for flexible mounting on sliding or hinged guards. These devices use RFID coding options in line with ISO 14119 to reduce the risk of tampering and can be combined with door handle switches, emergency-stop pushbuttons, and non-contact safety sensors to achieve performance levels up to PL d / Cat 3 in modern machinery. This interlock layer is at the core of how Schmersal builds safe access management around machinery.

All these devices can be wired to a Safety Fieldbox, which aggregates up to eight safety switchgear devices via M12 connectors and exposes them over PROFINET/PROFIsafe, EtherNet/IP with CIP Safety, or EtherCAT with FSoE to a safety PLC. The result is a modular, field-level architecture that reduces hard-wired point-to-point cabling, cuts wiring errors, and simplifies commissioning of safety circuits for robot cells, conveyor lines, and other distributed machines Filmed at SPS 2025 in Nuremberg, the booth layout underlines this split between component level (sensors and interlocks) and system level (fieldboxes, controllers, and services) for scalable safety engineering.

The demonstration also touches on Schmersal’s AM-T100 Time-of-Flight 3D camera, which uses a Sony DepthSense sensor to generate millimetre-accurate depth images at up to 60 fps over ranges of several metres. This kind of ToF vision enables applications such as fill-level monitoring of containers, volumetric measurement, presence detection in logistics, and spatial monitoring around robots or AGVs, complementing classic safety devices with richer process data for industrial automation With roughly 2000 employees and production sites in Europe, Asia, and the Americas, Schmersal positions these technologies as a standard toolkit for machine builders and plant operators who need functional safety and data-driven automation in one coherent ecosystem

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