Manufacturer: SIEMENS Model: 6ES7231-4HF32-0 XB0 Module Type: Analog Input Module Number of Channels: 8 Input Range: +/-10 V, +/-5V, +/-2.5V or 0-20mA/4-20 mA Resolution: 12-bit + sign bit (13-bit ADC) Operating voltage: 24VDC Weight: 0.172 kg Dimensions: 8.80x10.90x5.60 cm This SIEMENS The 6ES7231-4HF32-0XB0 analog input module is specially designed for the S7-1200 series and can be widely used in various industrial automation control systems.It has eight analog input channels and supports a variety of input signal ranges, including voltage and current signals, to meet the needs of different application scenarios. The module uses an advanced 13-bit ADC converter to ensure high-precision data acquisition capability. Its compact design makes it easy to install in a small space, while ensuring the stable operation of the system.In addition, the module has excellent anti-interference ability and stable electrical characteristics, which can maintain good working condition in harsh industrial environment. Through seamless integration with the S7-1200 series controller, users can easily implement complex data acquisition tasks to improve productivity and system reliability.