The Modbus connected Multichannel channel Parameter Data Acquisition, Monitoring, and User Management System is a comprehensive system designed for efficient and reliable data acquisition and monitoring of multiple channels simultaneously enabling accurate and efficient measurement of many parameters. The system operates on the Modbus protocol, enabling easy communication and connectivity with various devices. The user-friendly interface allows for intuitive system management and user access control. With its high accuracy and real-time monitoring capabilities, the system provides valuable insights into various parameters and enables effective decision-making for industrial and commercial applications. A Modbus RTU is frequently used in industrial control systems to send data over vast distances. It is a master-slave architectural protocol that uses a binary representation of the data to facilitate communication between devices. Data is transferred across a serial line in Modbus RTU, often utilising the RS-485 or RS-232 standards. The master device sends commands to the slave devices to seek data or carry out a specified function. Each device on the network has a distinct address. The requested data or an acknowledgment of the activity is returned by the slave devices. In larger companies, this device can measure eight channels for different characteristics like temperature, humidity, and pressure. They are making sure that the system's many features work properly as it is being developed. The Modbus-connected multichannel channel parameter is what we utilise to deal with the various industrial sensors.