Siemens 6ES5521-8MA21The Siemens 6ES5521 8MA21 is a versatile programmable logic controller (PLC) module crafted for industrial automation needs. Part of the renowned SIMATIC S7 200 series, this compact unit guarantees reliability and flexibility in various applications. Equipped with a CPU 212 2 DP, the module boasts a 32 bit microprocessor operating at 24 MHz, along with 64 KB of RAM and 128 KB of flash memory for program storage. It supports multiple communication
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