About the Siemens 6FM

The Siemens 6FM is a legacy programmable controller platform known for reliable discrete and process control in industrial environments. Designed for straightforward ladder and function-block programming, it’s often used in factories for machine automation, sequencing and basic data exchange. Buyers value its robustness, modular I/O options and compatibility with established Siemens toolchains when maintaining or refurbishing older automation lines.