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Configurable safety controller looks like a safety relay

30 January, 2023

At the recent SPS show in Germany, Pilz unveiled a configurable safety controller that is just 22.5mm wide, yet can monitor up to four safety functions – including e-stops, safety gates, light curtains and two-hand controls. The PNOZ m C0 controller implements safety requirements up to PL e or SIL CL 3, and can allow small machines to achieve high productivity. It provides eight safe inputs and four safe semiconductor outputs.

Pilz is promoting the new controller as a high-performance, economical system for small machines in applications such as packaging, robotics, or food and beverage installations.

The safety circuits are created using the PNOZmulti Configurator software tool, the basic version of which is free. It offers a variety of approved software blocks for monitoring safety functions to PL e/SIL CL 3, which can be used independently of a PLC. The safety circuits can be downloaded to the controller via USB and saved directly, or on a memory card. Functions can be expanded or modified at any time, allowing machines produced in series to be adapted easily to new requirements.

If the more safety functions are needed later, the software tool can be used to migrate a project. Expansions of plants or machines are possible at any time: modular and expandable base units are available, with sufficient performance for more powerful applications. These devices can connect to all common fieldbus systems, and offer user-friendly diagnostics and Web-based visualisation.

Pilz’s configurable safety controller is just 22.5mm wide

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