60487-2 Connectors, Interconnects

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Quick Connects, Quick Disconnect Connectors are widely used in industrial automation and have recently evolved to include a number of different terminals of various shapes and sizes.

The IEC 60487-2 Standard’s application are partly about this both function connectors, and the selection of those devices is becoming increasingly critical to the success of the project. Therefore, an understanding of the more common application fields and the working principles of IEC 60487-2 is essential.

Application Field

Quick Connects and Quick Disconnect Connectors are commonly used for power and signal connections. For the power application field, used terminal types may include sheathed terminals, flat-cable terminals, printed circuit board terminals, block and contact sockets and information terminal sockets. For the signal application field, the terminal types used may include plug socket adaptors, the frame type, box type and DIN rail socket terminals.

It is important to select the most suitable terminal type with regard to the working environment and required performance. This requires an understanding of the construction of the terminals, and the principles of the individual components and materials.

Working Principle

The IEC 60487-2 Standard proposes a couple of safety principles. Firstly, the employment of a standardized operating force/travel pattern. The force/travel pattern of the contact element provided by the IEC 60487-2 standard ensures the durability of the contacting system for both power and signal transmission. Secondly, the most proper terminal characteristics for voltage rating, current rating and temperature ranges should be applied allowing the selection of the best-suited device.

Considerations should also be taken into account with regard to the application field such as possibility of vibration or shock, mechanical operations, dust and dirt, chemical corrosion, and working environment. The selection of the right device is an essential factor contributing to the success the project. The IEC 60487-2 Standard helps users to identify the most suitable device by providing all relevant criteria.

The IEC 60487-2 Standard is not only about cables, connectors and related accessories, but also about materials of contacts. The contact material used in IEC 60487-2 must ensure reliable electrical and mechanical connection. This means that copper, silver or gold plating, nickel and alloys of these metals are usually used for power terminals and EDPM and high temperature Silicone are used for signal and data terminals.

The material used in IEC 60487-2 must also be able to resist to the normal impacts of shock and vibration, and to extreme temperatures. Strain relief inserts are also available for special applications. To reduce the risk of hazardous shocks in the field, Safe-touch latches and Safe-touch EPDM are used. Solutions with Safety door, Finger protection clips and angle plugs can be provided. Oxygen barrier inserts and O-rings are also available.

In summary, Quick Connects, Quick Disconnect Connectors are increasingly used in automation industires. The IEC 60487-2 Standard provides users with the proper application message and the professional working principles. Although these have not been discussed in any detail in this article, the key points should have been explained in order to provide a better understanding of IEC 60487-2.

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