The digsy® fusion S is a 2nd-generation 32-bit modular safety controller designed for mobile machinery. Built on a redundant architecture, it achieves Performance Level d (PL d) / Category 3 according to EN ISO 13849, and AgPL d according to ISO 25119 / EN 16590. It is freely programmable according to IEC 61131-3 using CODESYS 3.5 SIL2. Based on a safety CPU board with 48 I/Os and communication interfaces, the system can be expanded by up to 4 additional I/O modules (48 I/Os each), supporting a maximum of 240 safe or standard I/Os. It supports parallel execution of two independent programs: a safety program and a standard program for comfort functions. The standard program operates interference-free and cannot affect the safety program, allowing fast modifications without extensive safety analysis. Complex mathematical calculations can also be performed in the safety context via a redundant floating-point unit (FPU). Equipped with 1 Ethernet and 4 CAN bus interfaces, it provides full connectivity to sensors, controllers, displays and IoT gateways. Thanks to a large internal file system and dedicated logging memory, configuration files can be stored directly on the device. It also includes FRAM for safe, redundant data retention. The USB port supports memory expansion as well as on-site service and software updates. With CODESYS 3.5 SIL2, developers benefit from a powerful environment that supports both safety and standard programming within the same toolchain.