[High-tech LED News] On the afternoon of November 3, "Jiangmen Industrial Development Research Institute", "Jiangmen Semiconductor Green Light Source (LED) Research Institute" and "Jiangmen Industrial Design Center Unveiling Ceremony" were held at Wuyi University The conference center is held.
Among them, "Jiangmen Semiconductor Green Light Source (LED) Research Institute" has one LED testing center, one LED information center, one LED training center and four research institutes.
The LED testing center (additional LED industry standard research room) will be built into the core of the industry's core, complete detection section with independent detection capabilities, with scientific research and high-end experimental functions; LED information center will be done from the level of Jiangmen City industrial area Good LED-related information services and the construction of e-commerce platforms, regularly release relevant technologies, standards, patents, training and other information about the LED industry; LED training centers will be divided into undergraduate, graduate and engineering masters according to the level of training and training of professional talents. Three levels of enterprise personnel training for the training and training of LED talents; four research institutes are LED luminescence materials research institute, LED chip and packaging research institute, LED optical and thermal design research institute, LED drive power and control research institute .
What is Industrial DTU? Industrial DTU characteristics and application field analysis
What is DTU?
A Data Transfer unit (DTU) is a wireless terminal device that converts serial port data into IP data or IP data into serial port data over a wireless communication network.
Second, industrial DTU characteristics?
D220 is an industrial 4G DTU based on 4G wireless network, the product uses high-performance industrial embedded processor, real-time operating system as the software support platform, to ensure that the data link is smooth at any time, to provide users with high-speed, stable and reliable data transmission. It can be easily and quickly arranged in the industrial site, and can be used in harsh environments.
Hardware features:
Anti-interference design, suitable for harsh electromagnetic environment application requirements
Wide voltage power supply design, support DC5V-35V power input, built-in power reverse protection and overvoltage and overcurrent protection
The serial port can be a service serial port or a data serial port
Supports the many-to-many link configuration between the service serial port and the center
Select industrial-grade devices and optimize electromagnetic compatibility design to meet the requirements of harsh application environments
The D220 supports backward compatible 2G/3G network access based on 4G network.
Built-in hardware watchdog, regular detection mechanism, automatic resetting of abnormal equipment.
Complete industrial environment design requirements, all-metal structure, the whole machine has passed the strict electromagnetic compatibility test, CE certification
Software features:
Multi-center mode/Multi-backup mode (up to five multi-centers/backup centers)
Different serial ports can be used as maintenance or service serial ports, and different service serial ports can be connected to different multi-centers.
Multi-protocol upper development kit support (compatible with communication protocols of multiple DTU manufacturers, which can achieve seamless replacement of DTU)
Supports ICMP and LCP link detection technologies and keeps heartbeat alive, ensuring the stability and reliability of the network and communication
Supports local serial port upgrade and remote software upgrade
Supports TCP, UDP, DUTCP, DCUDP and other connection protocols
Supports multiple encryption modes to ensure secure data transmission
3. Application fields
D220 4G DTU conforms to industrial design, complete functions, stable transmission, widely used in environmental protection, water conservancy, meteorological industries; Industrial control field; Industry and special environment, oil and gas, heating industry, etc.
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