2293556

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Terminal Blocks - Interface Modules

Terminal blocks are small devices used to securely connect two electrical lines, acting as a type of junction. Terminal blocks are commonly used to provide power connections as part of electrical systems, and are available in a variety of configurations. Interface modules are electromechanical devices that provide communications and power connection interface with the embedded system. Interface modules provide electrical protection, reliability and safety for the embedded circuits.

2293556 Application Field

Terminal blocks are mainly used to interconnect electrical circuits. Terminal blocks are often used to connect mains wattage power to systems. Their purpose is to securely hold the input and output wires that are being connected. Commonly, they are used to bridge the gap between low-amperage and high-amperage circuits.

Interface modules are used as part of many embedded systems to provide both power and communications connection linking the embedded system with other electrical systems. Interface modules provide power connection interface for PCB nests and cables, and can also optionally provide the communications interface such as RS232/485, TTL, and CAN bus. The isolation between the system circuits and the communication signals can prevent interfering with the function of the system.

2293556 Working Principle

Terminal blocks function by securely connecting two electrical lines in a way that prevents accidental de-coupling. When electrical lines need to be connected for an electrical system, the correct terminal block must be selected based on the voltage and current that will pass through it. The terminal block then provides physical support for the electrical lines and creates a secure connection between the two.

Interface modules provide a communication interface when the system requires one. The module can be programmed to enable a specific protocol, such as a USB or CAN bus connection. The module then provides the interface and conditions the signals to match the physical format necessary for them to be accessed by the system. This signal conditioning and interface is essential for allowing the embedded system to communicate with other electrical systems properly.

Conclusion

Terminal blocks are small devices used to securely connect two electrical lines. They provide physical support for the electrical lines, create a secure connection between them and protect the system from spikes and external interferences. Interface modules create a communication interface between the embedded system and other electrical systems. Interface modules provide electrical protection, reliability and safety for the embedded system, and enable communication protocols such as USB or CAN bus. These devices are essential to keep an electrical system functioning properly and safely.

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