Factory automation, control and management have become the decisive competitiveness of global supply chains. For example, mass-produced consumer products and automotive manufacturing require safe, cost-effective and robust data communications to ensure that if not quickly received Dealing with it can cause problems that can cause serious loss of profits and bad impressions of consumers.
Design engineers in many different industries are turning to fiber-optic link solutions as a replacement for copper cable media, and fiber-optic solutions can provide reliable data links capable of transmitting data at distances ranging from a few miles to several kilometers, and Industrial network applications that can be more tolerant of noise and benefit from fiber optic solutions include on-board infotainment systems, train transportation systems, medical devices, casinos, and renewable energy applications such as wind and solar photovoltaics.
Can replace the copper cable data link and install simple fiber
While both copper cables and fiber optics can be used as transmission media, fiber optic solutions offer system design engineers many significant benefits compared to copper cable solutions through plastic optical fibers (POF, Plastic Optical Fiber) or longer distances. Industrial Ethernet Fast Ethernet with CSS (Hardware Clad Silica) fiber has many advantages. The communication link using copper cable is susceptible to electromagnetic field interference and also emits electromagnetic waves that may interfere with other devices. The fiber link is not affected by the electromagnetic field and does not generate any electromagnetic interference (EMI, Electro-Magnetic Interference).
Other benefits of fiber optics include light weight, complete electrical isolation on both sides of the link, easy on-site termination and maintenance, easier installation due to smaller bend radii, and less performance changes due to extreme temperature and humidity conditions. Fiber optic solutions are also ideal for high-noise switching circuits with motors and high voltages, such as power conversion, automotive, medical, and high-noise industrial environments for renewable energy applications such as wind and solar photovoltaics, fiber optic technology and data security. Sex, because it is almost impossible to steal lightwave communication.
As shown in Figure 1, multimode HCS and POF fiber provide the highest level of signal integrity for long-distance data transmission. Multimode fiber is particularly suitable for offshore wind turbine control systems as a connection between wind turbines and the ground. The road length is more than 200 meters.
Figure 1: Fast Ethernet communication distance can be extended to several kilometers through fiber optic technology.
Fiber optics isolates systems and provides galvanic isolation for greater reliability and safety
Since fiber optic link media are basically made of glass or plastic, they are far superior in insulation and isolation characteristics to common copper cables because they are not subject to EMI interference, as shown in red in Figure 2, 5 m long POF. Or a 100 meter long HCS fiber provides many advantages over copper cables in a noisy environment. With fiber optic solutions, there is no mutual interference between the fiber itself or between the fiber and the copper cable, making data transmission more secure. Fiber optics are highly resistant to lightning strikes and help eliminate errors caused by ground loops. Proper use of fiber solutions can be achieved by reducing lightning strikes in harsh environments or potentially exposed environments. Increased safety due to damage caused by electrical damage and electrical sparks.
Figure 2: Fiber links in red are not affected by EMI generated by industrial production environments.
In addition to being a more cost-effective solution compared to copper cables, fiber optics such as single mode, multimode, HCS and POF can be placed in cable ducts without being affected by adjacent power supplies. It is also easier to comply with the requirements of electromagnetic compatibility (EMC, Electron-Magnetic Compliance) regulations and regulations using optical fiber, please refer to Figure 3.
Figure 3: Fiber has EMI tolerance and communication link distance unmatched by copper cables.
In addition, plastic optical fiber is used as an example. No special tools are required for installation, and training is also very easy. POF cable has been used in various harsh industrial environments, such as automobile assembly, etc. For more than 15 years, POF is also suitable for short distances. Medium-range link applications and very easy to install on-site, helping to simplify the connection between equipment and existing networks. Another key design advantage in industrial applications is the low maintenance cost.
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