Analogue Module 4AI

The Siemens 6ES7231-5QD32-0XB0 is a SIMATIC S7-1200 SM1231 Analogue Thermocouple/mV Input Module, specifically designed for industrial automation applications requiring precise temperature measurement. This module features four analogue input channels that support a wide range of thermocouple types (J, K, T, E, R, S, N, C, TXK/XK(L)) and can also process voltage signals in the range of ±80 mV.

• Input Type: 4-channel analogue, thermocouple and mV voltage

• Supported Thermocouples: J, K, T, E, R, S, N, C, TXK/XK(L)

• Voltage Input Range: ±80 mV

• Resolution: 15-bit plus sign bit for high-precision analogue-to-digital conversion

• Power Supply: 24 V DC, typical current consumption 40 mA (from backplane bus: 80 mA at 5 V DC)

• Power Loss: 1.5 W

• Mounting: DIN rail (35 mm)

• Connection: Screw terminals

• Protection Class: IP20

• Operating Temperature: -20°C to +60°C (horizontal), -20°C to +50°C (vertical)

• Humidity: Up to 95% (non-condensing)

• Dimensions: 100 x 45 x 75 mm (H x W x D)

• Weight: Approx. 180 g

• Diagnostics: LED status indication, alarm and diagnostic functions