
Rectangular Connectors

Modular rectangular connectors are an adaptable solution designed to meet diverse connection requirements in various industries. These types of connectors are commonly used in applications where space is limited or where a specific number or arrangement of contacts is needed.
Phoenix Contact's modular rectangular connectors are designed to be modular, which means they can be customized based on the specific requirements of the application. Users can choose from a variety of modules that accommodate power, signal, and data transmission, and can combine these in a single connector to meet their exact needs.
The modularity of these connectors also means they can be scaled to match the size requirements of the application. This is particularly useful in industries like machinery and plant engineering, where space can be limited and the exact number of contacts can vary between different machines or systems.
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Serial Communication Basics
In telecommunications, the process of sending data sequentially over a computer bus or communication cable is known as serial communication. Serial communication transmits data one bit at a time. Parallel communication transmits bits simultaneously over multiple communication lines in a single bus or cable. While it may seem that parallel communication would be the preferred method, this is not true in many situations.
Because of the increased complexity and data transmission, serial communication has faster speeds than parallel communication. The speed at which serial is communicated can be altered by adjusting what is known as the BOD rate, which simply increases the number of the bits that can be transmitted per second. This is one of the reasons serial communication methods have remained such a common method for basic communication in much of computer based hardware used today.
Some of the most common standards that have been created to take advantage of serial based communication in the industrial space would be RS 232 and RS 485. The earlier RS 232 standard was very common in computing in many different industrial, commercial and residential applications. It had lower transmission speeds, short maximum cable lengths and large voltage swings, making it useful only in certain situations. RS 485 is an improved standard that is still found in many of the same applications today. It resolved many of the issues the earlier RS 232 standard had by allowing longer cable lengths, higher transmission speeds and other improvements that increased its usability and performance.