Siemens 6SE7021-0EA31

The Siemens part number 6SE7021-0EA31 is a compact and efficient programmable logic controller (PLC) from the renowned S7-200 series, tailored for diverse industrial automation applications. Driven by a robust S7-200 processor, this PLC features a processing speed of 20 MHz and a combined memory capacity of 64 KB, allowing for both program and data management with ease. It supports multiple communication protocols, including PROFIBUS and PROFINET, which facilitates seamless integration into various systems. Designed with user-friendly operation in mind, the 6SE7021-0EA31 includes a comprehensive alarm and error code system to assist in troubleshooting, along with a detailed user manual that covers programming, configuration, and common troubleshooting techniques. This PLC operates on a 24 V DC power supply and is ideal for both simple tasks and complex automation processes, making it a versatile choice for modern industrial settings.