LabVIEW is a software platform that helps automate laboratory testing and other industrial processes utilizing Virtual Instruments (VIs), or computer-based tools. Although data transmission speeds are lower than most protocols, it is still an adequate solution for many of the aforementioned devices. Serial communication can be established with as little as two wires, making it suitable for microcontrollers and PCBs where the number of pins available is minimal. One of the main reasons for the interface’s longevity is its simplicity. Many modern oscilloscopes are equipped with RS-232 ports. Today, RS-232 has been largely replaced by other faster and more energy-efficient protocols in the PC industry, such as the USB.ĭespite this, RS-232 ports are still commonly used in industrial devices, such as laboratory equipment, variable-frequency drives (VFDs), networking equipment, embedded systems, and even PLCs.įigure 1. It is one of the oldest communication protocols in the computer industry, dating back to the 1960s when RS-232 was created.įor decades, RS-232 was one of the most widely used interfaces in personal computers, allowing the connection of keyboards, mice, and other peripherals to the main CPU. Serial communication is a data transmission protocol in which information is sent in a series, one bit at a time.
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