Sanxiong Aurora opens the "intelligence" mode of the industrial 4.0 era
There are no workers in the workshop of the automation factory, but the machines are running automatically... With the gradual deepening of the construction of Industry 4.0, some seemingly distant dreams become clear and touchable. Sanxiong Aurora and the lighting industry have been in the industry for 25 years. The company has been steadfast in its automation work. Since 2000, it has been working on this part of the industry, and has been committed to building a leading brand in the industry, gradually from traditional product manufacturers to providing total lighting solutions. servant.
Reasonable automation investment is even more powerful for any manufacturing company, but it must be combined with the actual situation and specific analysis. In this regard, Sanxi Aurora Deputy General Manager Lin Yan said, “For automation investment, the company has a set of improved investment benefit analysis and evaluation mechanism, which provides scientific and stable decision-making reference for automation investment and a series of large-scale investment.â€
All along, Sanxiong Aurora will take the improvement of product quality as its first goal; at the same time, it will continue to reduce the cost of products in order to provide consumers with higher quality and more cost-effective LED lighting products. "As a lighting company, we must be down-to-earth, start small, take points, do risk assessment, be brave in innovation, and be brave to try." Lin Yan said.
Of course, there are also many difficulties encountered in the process of promoting "intelligence." "As the leading LED lighting company in China, the biggest problem currently encountered is that the diversity of LED lighting products is very fast, and the production of large-scale enterprises is still under pressure to some extent."
In the future, Sanxiong Aurora will continue to advance the intelligent process. In the ecological chain of intelligent manufacturing, intelligent transformation is the choice that enterprises cannot circumvent. The intelligent transformation is not simply the introduction of a robot or intelligent equipment, but a systematic project. - Effectively combine R&D, production process, quality management, etc., gradually improve the overall level of intelligence, and finally establish a complete intelligent manufacturing system.
Repeater
Because of signal attenuation and delay, the Ethernet segment has a distance limit according to different media. For example, 10BASE5 coaxial cable has a maximum distance of 500 meters (1,640 feet). The maximum distance can be achieved by an Ethernet repeater, which can amplify the signal in the cable and transmit it to the next section. The repeater can connect to 5 network segments at most, but there can only be 4 devices (that is, a network segment can connect to 4 repeaters at most). This can alleviate the problems caused by cable breaks: when a section of coaxial cable is disconnected, all devices on this section cannot communicate, and the repeater can ensure that other network sections work normally.
Similar to other high-speed buses, the Ethernet network segment must be terminated with resistors at both ends. For coaxial cables, the terminals at both ends of the cable must be connected to 50 ohm resistors and heat sinks called "terminators". If this is not done, a situation similar to cable disconnection will occur: the AC signal on the bus arrives It will be reflected when it is terminal, but not dissipated. The reflected signal will be considered as a conflict, making communication impossible. The repeater can electrically isolate the two network segments connected to it, strengthen and synchronize the signal. Most repeaters have a function called "automatic isolation", which can isolate network segments that have too many conflicts or conflicts that last too long, so that other network segments will not be affected by the damaged part. The repeater can restore the connection of the network segment after detecting that the conflict disappears.
Hub
Although the Ethernet network with a hub is a star-shaped structure physically, it is still a bus-type logically. The half-duplex communication method uses the CSMA/CD conflict detection method. The hub plays a very important role in reducing data packet conflicts. small. Every data packet is sent to every port of the hub, so bandwidth and security issues have not been resolved. The total transmission volume of the hub is limited by the speed of a single connection (10 or 100 Mbit/s). This is still considering the minimum cost of preamble, transmission interval, header, file tail, and packaging. When the network is overloaded, conflicts often reduce the transmission volume. The worst case is that when many hosts composed of long cables transmit many very short frames, the load of the network may be full at only about 50% due to excessive collisions. In order to increase the network load as much as possible before the conflict seriously reduces the transmission volume, some settings are usually made to avoid similar situations.
Triple Play,Wireless Device,Wifi port,Router
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