Siemens 6ND2238-5PA2The Siemens 6ND2238 5PA2 is a robust component of the SIMATIC S7 200 family of programmable logic controllers (PLCs) designed for industrial automation needs. Featuring a CPU with 16 KB RAM and 4 KB ROM, this model efficiently manages up to four digital inputs and four digital outputs, all while operating on a 24 V DC power supply. It is built to withstand a wide operating temperature range from 20C to 60C and can be stored in temperatures as low as