6AG1231-4HF32-4XB0 - Siemens SM 1231 8AI Analog Module

Built with a rugged conformal coating for operation in harsh conditions from -20°C to +60°C, the 6AG1231-4HF32-4XB0 features 8 analog inputs supporting voltage ranges of ±10 V, ±5 V, ±2.5 V and current ranges of 0–20 mA / 4–20 mA. Its high-resolution 12-bit + sign (13-bit ADC) measurement capability ensures precise signal capture for process control and monitoring.

With a compact footprint of 8.80 × 10.30 × 5.80 cm and a net weight of just 0.212 kg, it fits easily into space-limited control cabinets while maintaining full compatibility with the SIMATIC S7-1200 PLC system architecture. The PM300: Active Product lifecycle status guarantees long-term availability and manufacturer support, making it a future-ready choice for industrial automation. Manufactured in Germany under Siemens’ strict quality standards, this module delivers consistent performance, superior signal stability, and minimal maintenance downtime.

In real-world applications, the Siemens 6AG1231-4HF32-4XB0 PLC is ideal for sectors where precise analog measurement is critical, including water treatment, chemical processing, power generation, and manufacturing automation. It seamlessly interfaces with sensors for temperature, pressure, level, and flow monitoring, enabling engineers to maintain optimal process conditions. In utilities and plant operations, its robust design withstands vibration, dust, and temperature extremes, while its wide input range ensures compatibility with various transducers.

Junior maintenance teams benefit from its simple wiring and diagnostic capabilities, and senior engineers value its stable performance over extended duty cycles. By integrating the 6AG1231-4HF32-4XB0 into your automation setup, you ensure accurate data acquisition, enhanced operational efficiency, and the long-term reliability expected from Siemens industrial solutions.