4G DTU (Data Transmission Unit) and 4G RTU (Remote Terminal Unit) are devices used for remote data collection and monitoring. Their main function is to transmit the data collected on site to the central server or cloud platform through the 4G network . Although they have some functional similarities, there are some differences.
1. Functional differences : 4G DTU is mainly used for data transmission. Its core function is to upload data collected on site to the server or cloud platform for real-time monitoring and data analysis. 4G RTU can not only realize data transmission, but also perform real-time control. It can remotely control switches, relays, etc. of field equipment through the 4G network.
2. Differences in interfaces and protocols : 4G DTU usually has multiple data interfaces, such as RS232, RS485, Ethernet, etc., and supports multiple communication protocols, such as Modbus, TCP/IP, etc. 4G RTU not only has data interfaces and communication protocols, but also has control interfaces that can be connected and controlled with field devices.
3. Application scenarios : Because 4G RTU has real-time control functions, it is widely used in industrial automation fields, such as smart grids, smart buildings, smart transportation, etc. 4G DTU is more used in data collection and transmission fields, such as environmental monitoring, water conservancy, electricity, etc.
4. Cost and complexity : Because 4G RTU has more functions and interfaces, it is more expensive and more complex to configure than 4G DTU. 4G DTU is relatively simple and suitable for some application scenarios that do not have high control requirements.
Em suma, there are some differences between 4G DTU and 4G RTU in terms of functions, interfaces, application scenarios and complexity. Appropriate equipment can be selected based on actual needs and expected functions, which can best meet the needs of remote data collection and control. .Recommended related articles: What are the connections and differences between RTU, DTU, and gateways industriais?