Siemens 6SE3221-7DG40The Siemens 6SE3221 7DG40 is a versatile and dependable programmable logic controller (PLC) module engineered for industrial automation applications such as manufacturing, process control, and building management. With an operating temperature range of 20C to 60C and a stable 24V DC voltage, this module ensures robust performance in demanding environments. Its 4 KB memory capacity and 12 MHz processing speed allow for efficient operation, while