The Siemens 6AG1350-2AH01-4AE0 is a SIPLUS S7-300 FM350-2 counter module designed for industrial automation applications requiring precise counting and measurement capabilities. This module features eight channels capable of handling frequencies up to 20 kHz, making it suitable for tasks such as counting, frequency measurement, speed measurement, period duration measurement, and dosing. It supports direct connection to 24 V incremental encoders, direction encoders, initiators, and NAMUR sensors, providing versatility in various industrial settings. The module operates within a supply voltage range of 20.4 V to 28.8 V DC and offers an encoder supply of 8.2 V with short-circuit protection, ensuring reliable performance. Its compact dimensions of 80 mm in width, 120 mm in depth, and 125 mm in height, along with a weight of approximately 0.502 kg, facilitate easy integration into existing systems. The module is designed to operate in temperatures ranging from 0°C to 60°C, making it suitable for a wide range of industrial environments. Additionally, it includes a conformal coating, enhancing its durability and resistance to environmental factors. This module is ideal for applications in assembly and handling devices, rubber and plastics processing machines, production machinery, woodworking and paper-making machines, textile machines, packaging machines, and the glass and ceramics industry.