Manufacturer: SIEMENS Product Model: 6ES7431-7KF00-0AB0 Product Name: SIMATIC S7-400 Analog Input Module Number of Channels: 8 Resolution: 16-bit Signal Type: Voltage, Current, Resistance, Thermocouple, Thermal resistance (PT100) Update cycle: 20ms quarantine mode: Optical quarantine Diagnostic alarm: Support Power supply requirements: No external power supply required Operating temperature range: -25 ° C to + 60 ° C Protection class: IP20 Weight: about 0.1 kg Dimensions: Standard module sizes。The SIEMENS SIMATIC S7-4006ES7431-7KF00-0AB0 analog input module is a high-performance module designed for industrial automation control systems. With eight analog input channels, it is capable of handling multiple types of signals, such as voltage, current, and thermocouple, and has 16-bit high resolution to ensure the accuracy and reliability of data acquisition. Optical quarantine technology is used in the module to effectively prevent signal interference and improve the stability and anti-interference ability of the system.In addition, the module is also equipped with a diagnostic alarm function, which can find and report potential system faults in time, greatly shorten the troubleshooting time and improve the maintenance efficiency of the system.