Siemens M74715-A201The Siemens M74715 A201 is an essential electronic module designed for use in industrial automation systems, particularly within the SIMATIC S7 200 series. This digital input module accommodates up to 16 configurable digital inputs, adaptable to normally open or normally closed setups. Its versatility extends to supporting a variety of input types, including NPN, PNP, and transistor transistor logic (TTL) signals, and it seamlessly integrates with