2302654

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Cable assemblies are used in a variety of applications, ranging from industrial control systems, medical devices, motion control systems, and other related applications. These types of cables are designed to transfer electrical power or signal from one location to another. Depending on the application and environment, the cable’s outer shell must be designed to resist any physical or environmental stress. An application field and working principle of an assembly involves the choice of cable material, connector type and the appropriate length. Cable selection involves several factors such as:

• Voltage, current, and temperature ratings
• Frequency ranges
• Cable length and flexibility,
• Sheath materials and
• Tolerances

Cables must be environmentally-friendly, fire, and spark resistant, durable and lightweight. The most common materials used in cable assemblies include: rubber, polyethylene, teflon, nylon, stainless steel and PVC.

The working principle of a cable assembly needs to be understood in order to correctly apply one to a specific application. Cables consist of two or more conductive wires interwoven into an assembly. Depending on the application and environment, these wires may be positioned parallel to each other, twisted, braided, or sheathed in a protective covering. The cable itself is usually not the only component of the assembly: typically, it is terminated on both ends by connectors that not only link it to the device that is being powered or signalled but also provide it with structural stability.

In industrial control applications, cable assemblies are used to connect motors, actuators, and sensors to a control/drive unit. Here, an understanding of the voltage and current requirements of each component is necessary to ensure that the cable assembly can meet the application specifications. For example, most motors will require heavy-duty cables that can deliver high-voltage current, while smaller components such as sensors will require less voltage, but higher accuracy. Additionally, the cable assembly must be rugged and able to withstand the physical loads associated with the motor or actuator.

In motion control applications, usually the cables run through sheaves, sprockets, and other pulley systems and often pass through eccentric or curved paths. Torsional stresses may act on the cable and connectors when passing through tight bends; however, most modern cables are able to withstand such stress. Additionally, the cable assembly needs to be flexible, durable, and possess low resistance wires in order to prevent breakdown and short-circuiting.

In medical devices, specific cable assemblies are often required which include specific built-in safety features. Such features may include shielding against both electrical and electromagnetic interference (EMI) and water-proofing to a specific level of protection. Additionally, the connector type and voltage/current ratings may need to meet specific medical standards for patient and equipment safety.

In summary, the choice of cable assembly and working principle of the application will depend on the type of application and environment in which it is used. Cable assemblies need to provide durability, flexibility, and withstand any physical or environmental stress. Connector type and ratings need to be suitable for the application purposes or the medical standards specified. For 2302654 application field and working principles, these considerations are necessary for the correct application.

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