With the development of science and technology, UTR technology is increasingly used in various fields. Compared with traditional programmable controllers (PLCs), RTUs have excellent communication capabilities and larger data storage capacity, are particularly suitable for harsh temperature and humidity environments, and provide more complex computing functions. RTU is a typical application in the field of environmental monitoring. It can collect, save and transmit on-site data, and can also realize remote control, remote signaling and telemetry functions of equipment.
1. How to choose RTU in the field of environmental monitoring?
Environmental monitoring sites are often located in industrial sites with harsh environments. The products used must have special protection levels, and network security needs to be fully considered. Although using industrial computers may simplify project implementation in some aspects, it is not cost-effective. As a professional industrial product, the data acquisition and transmission instrument based on RTU technology is more integrated in installation and has low environmental requirements; it uses an embedded operating system, has higher network security performance, and is suitable for long-term operation and maintenance-free monitoring systems. use.
2. Functions of RTU
- Supports multiple communication methods and high-speed network access
Supports 4G/3G/2G wireless cellular networks and is compatible with the three major operators of China Mobile, China Unicom and China Telecom.
- Ultra-low power consumption design, rich working modes
Multi-level sleep and wake-up modes, power consumption is far lower than similar products in the industry; multiple working modes: including self-reporting, query, and compatibility.
- Standardized MOBUS protocol
Remote measurement and control terminal transmission supports multiple protocols; custom protocols and Modbus protocols to meet the needs of different application environments.
- Manage efficient transport security
Designated IP access, multi-layer encrypted transmission ensures data security and accuracy, and data transmission meets financial-grade standards.
- Integrated collection and transmission, visualizing data
RTU local configuration mode supports serial port configuration. Integrate the functions of environmental monitoring data collection, storage, display, control, alarm and transmission into one.
- Intelligent wake-up protection mechanism, stable transmission
Intelligent software wake-up and hardware power-off restart mechanism, the device automatically resets to ensure normal operation; disconnection reconnection, data re-transmission, stable and reliable transmission without packet loss.
- Easily achieve remote management and save manpower and material resources
Equipment failure alarm, supports remote parameter configuration, provides powerful central management software, and remote upgrade.
3. Typical applications of environmental monitoring RTU
RTU can be used to collect and store data from various types of monitoring instruments, and is a data terminal unit that can complete data transmission functions with the host computer and has independent data processing functions. RTU is the connection terminal equipment between field instruments and the host computer system. It collects monitoring data, status and other information of monitoring instruments through digital channels, analog channels, and switching channels. The data and status are transmitted to the host computer through the transmission network; the host computer transmits the data and status to the host computer through the transmission network. The network sends control commands, and the RTU controls the monitoring instrument according to the commands.
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