The ICSE08B5 analog input module is a device used to collect and transmit analog signals from remote sites to a computer. It mainly uses the RS-485 bus as a data communication line to provide the function of converting analog quantities to 485. This module can receive multiple analog inputs at the same time and transmit these signals to the computer through the RS-485 bus. Analog quantity represents any value that changes continuously within a certain range, as opposed to digital quantity. Analog quantities are usually used to collect and represent parameters such as voltage, current, or frequency of things. The analog input module can collect various types of analog signals, such as voltage, current, thermocouple, thermal resistance, temperature and other values. The ICSE08B5 analog input module supports a variety of acquisition ranges and can be connected with various configuration software. In addition, its communication protocol usually uses the MODBUS RTU protocol, which achieves unified docking with industrial field data collection, making programming more convenient. In addition, analog input modules are also widely used in analog inputs of PLC, motion controllers and other equipment, such as current detection, voltage detection, temperature detection, etc. These modules often have specific input ranges and output characteristics to meet the needs of different applications. In general, the ICSE08B5 analog input module is an important data acquisition device and is widely used in industrial automation, measurement and control systems and other fields.