Siemens 6ES7231-5PD32-0XB0 SIMATIC S7-1200 RTD Analog Input SM 1231
The Siemens 6ES7231-5PD32-0XB0 is a SIMATIC S7-1200 SM 1231 RTD analog input module with 4 channels for resistance thermometer and resistance measurement. It supports Pt, Ni and Cu RTD sensors, along with 150 Ω, 300 Ω and 600 Ω resistance ranges, with 15-bit resolution plus sign. The module uses an integrating measurement principle and provides diagnostic functions, wire-break detection, and configurable temperature units for reliable temperature signal acquisition.


