The SIMATIC S7-1200 SM 1231 RTD (model number: 6ES7231-5PF32-0XB0) is an analog input module manufactured by Siemens, designed for the SIMATIC S7-1200 series of programmable logic controllers (PLCs). This module features 8 analog input channels, primarily intended for directly receiving and converting signals from RTD (Resistance Temperature Detector) sensors into digital values. This makes it highly suitable for industrial automation applications requiring high-precision temperature measurement and control, such as in ovens, dryers, chemical processes, and more. The module is designed for operation in standard industrial environments. The module has a net weight of 0.283 kg and packaging dimensions of 8.80 x 10.90 x 8.50 cm.\n