Siemens S7-1500 SM 531 Analog input modules AI 8XU/I HS

Specifications: Input Channels: 8 (4 for RTD, all configurable). Signal Types Supported: Voltage, Current, RTD, Thermocouple. Resolution: 16-bit. Accuracy: ±0.3% (typical); ±0.1% at 25 °C. Temperature Compensation: Internal, external RTD, or fixed value. Encoder Supply: 24 VDC, short-circuit protected. Max Encoder Output: 20 mA (47 mA peak <10 s). Input Voltage Ranges: ±10 V, ±1 V, ±250 mV, ±500 mV, ±80 mV. Input Current Ranges: 0–20 mA, ±20 mA, 4–20 mA. RTD Types Supported: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000. TC Types Supported: B, E, J, K, N, R, S, T. Integration Time Options: 2.5 / 16.67 / 20 / 100 ms. Conversion Time: 9–107 ms depending on mode. Cable Length: 800 m (U/I), 200 m (RTD), 50 m (TC). Power Loss: ~2.7 W. Dimensions (W×H×D): 35 × 147 × 129 mm. Weight: ~310 g. Environmental & Compliance: Operating Temp: –25 °C to +60 °C. Humidity: 100% RH with condensation/frost. Altitude: Up to 5000 m. Conformal Coating: Siemens EcoTech certified. Approvals: CE, UL, ATEX, IECEx, DNV, FM, CCC, RCM. AMS 2750 & CQI-9 Compliance: Yes (thermal processing standards). Global Warming Potential: 38.6 kg CO₂ eq (lifecycle).