DATA COMMUNICATION / INSTRUMENT CABLES
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GENERAL INFORMATION
A well-built cable includes various crucial elements that not only allow the device to operate as required of it but also boost its performance and extends its life cycle. Some of the common factors to be considered while manufacturing these cables are; conductors, insulation, jacket, connectors, and quality control. Over recent years, shielding has also become one of the major factors of the production design element. With the increased complexity of communications systems along with the distance the signal has to travel, it faces various forms of interference such as electromagnetic interference, radio frequency interference, and electrostatic interference. To counter these challenges, developing an effective shielding technology is the key solution for uninterrupted performance over an extended period.
Foil Shield:Good
A foil shield is a type of shield made from a thin sheet of metal such as aluminium or copper. It is used to protect electronic components or cables from electromagnetic interference or radio frequency interference by reflecting or absorbing the electromagnetic waves. It can be used for various applications such as cables, connectors, and enclosures. This technology offers 100% coverage and is easy and cheap to product. However, its not suited for high-flex applications.
Features:
Protection at frequencies over 15KHz
100% coverage for core conductors
Lightweight
Low cost
Braid Shield:Better
A braid shield is made from interwoven strands of metal such as aluminium and copper. It protects the cable from all major interferences. They are more flexible, durable, and offers extended mechanical life which is perfect for requirements where the cable will be bent or flexed regularly. It offers coverage between 70-95% and recommended for low to medium frequencies only. .
Features:
Protection at frequencies over 15KHz
High physical strength
EMF/RFI resistance in power, control, and data applications
MultiShield (Foil & Braid): Best
Multi-shield typically refers to cables that has multiple layers of shielding, such as braided and foil shields surrounding the conductor. This type of shielding protects the signal not only from electromagnetic and radio frequency interferences but also provides the physical strength to endure wear and tear more effectively. This variant of shielding is used where the interference levels are high such as industrial settings or in situations where signal need to be uninterrupted such as high-speed internet networks.
Features:
Protection across frequency range
Solid build
Ease of termination
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