The 6ES7138-4DF01-0AB0 from Siemens is an electronics module designed for integration with the SIMATIC ET 200S system. This module features a single-channel serial interface, supporting RS232, RS422, and RS485 communication protocols, as well as ASCII and 3964R data formats. With a compact 15 mm width, the 6ES7138-4DF01-0AB0 is suitable for installations with limited space, making it ideal for scalable and flexible automation environments. The robust construction ensures reliable performance in demanding industrial settings, and the 6ES7138-4DF01-0AB0 is engineered for straightforward installation and secure data exchange within production lines. Brand: Siemens Rapid delivery from extensive stock ensures minimal downtime Supports multiple serial protocols for versatile integration Available as a refurbished option with a standard 2-year warranty