rs232 to rs422 converter manufacturer will take you to understand: USB to RS232 serial cable installation problem
The rs232 to rs422 converter manufacturer tells you that most of the notebook computers have cancelled the COM port and replaced it with a USB interface. USB has been widely used due to its plug-and-play characteristics and high-speed data transfer rate.
I recently learned PLC programming, but my laptop has no RS232 serial port, what should I do? The manufacturer of rs232 to rs422 converter tells you that it’s okay. Let’s take a USB to RS232 serial port, but after installing the driver, it can’t be used. The problem reappears: When I want to connect to the PLC, I always say that the USB connection is wrong. I use the serial port to connect to other computers directly. The host can be used, but the USB-232 cable connection will not work.
The manufacturer of rs232 to rs422 converter tells you that in many notebooks, the serial port is not a standard configuration. Sometimes when the communication port is required in the project, the USB to 232 serial cable is often used. The rs232 to rs422 converter manufacturer tells you that there is no problem in normal installation. Poor quality serial port cables may sometimes be interrupted during the communication process, and sometimes be disturbed. But generally there is no connection failure. Pay attention to the following installation process:
1. The manufacturer of rs232 to rs422 converter tells you whether the driver is installed correctly, check the status of the driver file of the USB cable in the device manager.
2. The manufacturer of rs232 to rs422 converter tells you to confirm whether the interface setting is consistent with the actual setting. If the actual interface is COM3, but you choose COM1, or the communication speed and other setting problems.
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