Siemens 6ES7138-4DF00-0AB0

The Siemens part number 6ES7138-4DF00-0AB0 is a versatile Modbus/USS serial interface module tailored for the ET 200S distributed I/O system. This module facilitates seamless communication between the ET 200S and a diverse range of devices using both Modbus and USS protocols, enhancing operational flexibility. It features a serial interface that can be configured for RS-232 or RS-422/485 communication, capable of connecting up to 32 slave devices in half-duplex mode when utilizing the RS-422/485 interface. Equipped to support numerous Modbus function codes, this module ensures efficient data exchange. Ideal for integration within industrial applications, the 6ES7138-4DF00-0AB0 is designed for easy installation and configuration, making it a valuable addition to your automation setup.