Siemens 6FC3640-0AAThe Siemens 6FC3640 0AA is a dynamic programmable logic controller (PLC) module tailored for a variety of industrial automation tasks. As part of the S7 300 series, this CPU module boasts 64 digital inputs and 64 digital outputs, seamlessly integrating with communication interfaces such as PROFIBUS DP, PROFINET, and Ethernet IP. With a processing capability of up to 100,000 cycles per second and a memory capacity of 64 KB RAM and 128 KB ROM, it