Siemens 6ES5405-7AA21The Siemens 6ES5405 7AA21 is a high performance programmable logic controller (PLC) module from the renowned S7 400 series, designed specifically for industrial automation applications. Featuring a robust CPU 414 3 with a 40 MHz clock speed, this module is equipped with 64 KB of RAM and 512 KB of flash memory, ensuring efficient operation and storage capacity. It supports various communication protocols, including PROFIBUS, PROFINET, and Ethernet, and
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