The Siemens 6ES7144-1JB31-0XB0 is an expansion module EM 144 designed for integration within the SIMATIC ET 200X distributed I/O system. This module is engineered to provide two analog input channels for Pt100 sensors, supporting 12-bit resolution plus sign for accurate signal processing. Its robust IP66/67-rated enclosure ensures reliable operation in demanding industrial environments, making the 6ES7144-1JB31-0XB0 suitable for applications that require protection against dust and water ingress. Diagnostics are available via channels for 2, 3, or 4-wire connection, supporting comprehensive monitoring and maintenance of connected sensors. The 6ES7144-1JB31-0XB0 module is ideal for expanding process control capabilities while maintaining straightforward installation and high reliability. Brand: Siemens – trusted for industrial automation solutions IP66/67 protection for use in harsh environments Integrated diagnostics for efficient process monitoring