The Siemens 6ES7431-1KF10-0AB0 analog input module (SM 431) is a high-performance analog input module in the SIMATIC S7-400 series, specifically designed for signal acquisition in various industrial applications. This module provides 8 independent analog input channels, supporting multiple signal types including voltage, current, resistance, thermocouple, and Pt100 temperature sensors. Each channel features a 14-bit resolution, ensuring high-precision measurement results and stable operation in harsh industrial environments. The module also includes isolation to effectively protect the system from external electrical noise, enhancing reliability and stability.
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