Analogue Module 8 RTD IN

The Siemens 6ES7231-5PF32-0XB0 is an analogue input module (SM 1231 RTD) for the SIMATIC S7-1200 series, designed to connect up to 8 resistance thermometer (RTD) sensors. This module supports a wide range of sensor types, including Pt100, Pt1000, Ni100, and several others, providing high-precision temperature measurement for industrial automation applications.

• Module Type: SM 1231 RTD, 8x16-bit analog input

• Supported Sensors: Resistance thermometers (Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000)

• Resolution: 15 bit (effective)

• Supply Voltage: 24 V DC (permissible: 20.4–28.8 V DC)

• Power Consumption: Typical 40 mA (24 V DC), 80 mA (5 V DC from backplane bus)

• Power Loss: 1.5 W

• Protection Class: IP20

• Operating Temperature: -20°C to +60°C

• Connection: Screw terminals

• Dimensions: 70 x 100 x 75 mm

• Weight: Approx. 287.6 g