Siemens 6SE7021-3EB21

The Siemens part number 6SE7021-3EB21 is a robust I/O module designed for seamless integration within industrial automation systems, specifically tailored for use with Siemens S7-200 and S7-300 series programmable logic controllers. This module boasts 16 digital inputs and 16 digital outputs with a maximum switching capacity of 2 A at 24 V DC, along with 2 analog inputs that accommodate signals up to 10 V DC with a 12-bit resolution. Supporting various communication protocols, including PROFIBUS-DP, PROFINET, and EtherNet/IP, the 6SE7021-3EB21 enhances flexibility and connectivity in industrial settings. Users will find essential installation and troubleshooting guidance in the provided user manual, ensuring efficient setup and operation. With the combination of durability and advanced functionality, this I/O module is ideal for improving automation processes across diverse applications.