Sales and repairs of SIMATIC S7-300 function FM modules

S7-300 Function Modules for SIEMENS SIMATIC S7-300

Communication modules expand the CPU's capabilities by adding the necessary interfaces and protocols. When selecting a module, it is important to determine the type of network and the support available in the CPU being used.

Typical Uses and Proper Selection

FM function modules perform specialized tasks, such as fast counting, frequency measurement, positioning, regulation, or axis control. Key factors in selecting a module include the specific technological function, parameter settings, connected sensors, and the blocks used in the program.

Please send us the full order number, a photo of the label, and, if possible, information about the wiring or project. Based on this information, we will verify compatibility, the availability of a new or refurbished part, whether a repair is possible, and a suitable replacement.

How do I choose the right model?

The most reliable method is to select the part based on the complete SIEMENS part number. When replacing a part, we also recommend verifying the hardware and firmware versions, the part’s function, the station configuration, and compatibility in TIA Portal.

• the complete order number and the desired quantity,
• the function and technical specifications of the original part,
• compatibility with the CPU, expansion modules, and the project in question.

New and refurbished parts from our warehouses

For current S7-300 parts, we primarily check the availability of new, genuine SIEMENS parts. We have access to an extensive network of industrial parts warehouses in Europe and around the world, so we can also verify the availability of remanufactured, discontinued, and hard-to-find parts.