Siemens 6ES5252-3AA21The Siemens 6ES5252 3AA21 is a versatile programmable logic controller (PLC) module from the renowned SIMATIC S7 200 series, engineered for diverse industrial automation needs. This robust CPU module boasts 16 KB of RAM and 32 KB of ROM, enabling efficient operation with its 24 digital inputs and 16 digital outputs, making it ideal for applications requiring a balanced I O setup. Operating at a frequency of 20 MHz, it supports the connection of up to