rs232 to rs485 pinout

Blog directory:1, the UART and RS232, RS485 relations:2, RS232 and RS485 of the difference and pin introduction3. Reference documentsThe text is as followsI. The relationship between UART and RS232 and RS485:Communication problems

Description of RS232/RS485/rs422 Interface Converter The DMUs series converter is a standard RS232/RS485/rs422 converter that completes the electrical conversion between the serial RS232 and RS485/rs422, and can extend the maxi

The difference between RS485 and RS232: RS232 is full-duplex communication, when the data is sent, you can also receive data, but you may feel unclear, such as in the application, you go to the operation of the serial port writing, you do not feel able to read the serial port data, because the CPU is a single core, CPU only one brain, Only one person is worki

Reproduced on: RS232, RS485 Waveform Analysis I often encounter problems with single-chip serial communication for beginners and do not know how to do it. In fact, the most effective debugging method is to use an oscilloscope to observe the waveforms of the sent and received data. Observe the waveform to determine the following situations: Whether data is received or sent Is the Data correct? Whether th

servers, and video server encoding/decoding cards use the rs422 interface extended by the moxa card to switch to the rs422 switch. Figure 5.In the whole system, only the rs422 switch opening control is the COM (RS232) Port Control of the broadcasting control machine. Others are the rs422 interfaces extended by the moxa card, as the urgent switch requires RS232, an rs422 to

Differences Between RS232 and RS485 1. RS-232-C is a serial physical interface standard developed by the American Association of Electronic Industry EIA (Electronic Industry Association. RS is the abbreviation of the English "Recommendation Standard". 232 indicates the ID number, and C indicates the number of modifications. RS-232-C bus standard has 25 signal lines, including a main channel and a second

. Differential operation is the root cause of long transmission distance at the same rate, which is the fundamental difference between the two and RS232. Because RS232 is a single-ended input and output, at least the digital ground line is required for duplex operation.. Transmission Line and receiving line (asynchronous transmission). You can also add other control lines to complete synchronization and oth