The RS-232 bus is the most widely used serial interface bus in PC and industrial communication. The RS-232 interface was originally defined by the American EIA (Electronic Industries Alliance) as a standard for communication between computers and terminal devices. Due to its simple interface and high reliability for short-distance communication, it is widely used in … Read more
RS232 and RS485 have always been common interfaces in low voltage applications. Many people mention the differences between them, so today let’s learn about them together. 1. Physical Structure of the Interface 1. RS232 Interface: One of the computer communication interfaces, RS-232 usually appears in the form of 9 pins (DB-9) or 25 pins (DB-25). … Read more
Any communication interface testing includes two parts: basic electrical characteristic testing and stress testing. RS-485 is no exception. The common tests for RS-485 primarily focus on electrical characteristic testing and stress testing. The first part: Electrical Testing. For electrical testing, we generally combine some parameters from the chip manual for testing. The following figure shows … Read more