The SIPLUS S7-300 FM350-2 (6AG1350-2AH01-4AE0) is an 8-channel counter module from Siemens, \ndesigned for SIMATIC S7-300 systems. It supports counting, frequency measurement, speed measurement, \nperiod duration measurement, and dosing functions at up to 20 kHz, using 24 V transducers. \nThe module includes a configuration package and electronic documentation on CD-ROM. \nEquipped with conformal coating and capable of operating in a temperature range of 0 to +60 °C, \nit is ideal for harsh industrial environments. DIN rail mounting and a compact design ensure easy installation \nin control cabinets while saving space. It is used in industrial automation systems, particularly\n for precise measurement and control of frequency, speed, and dosing.