Related Manuals for 3onedata USB485 Series
Summary of Contents for 3onedata USB485 Series
- Page 1 USB232× USB485× USB to RS-232/485/422 Operation Instructions for Industrial Control Intelligent Converter Shenzhen 3onedata Technology Co.,Ltd Tel: +86-755-26702688 Fax: +86-755-26703485 www.3onedata.com...
- Page 2 USB232/485× Operation Instructions I. Preparation for Use II. Product Description III. Range of Application IV. Functional Characteristics V. Definition of Serial Port Pin VI. Installation of Driver Program Method I (Recommended) Method II VII. Deletion of Driver Program Method I Method II VIII.
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Page 3: Preparation For Use
I. Preparation for Use Before using USB232/485×, please make sure your computer is IBM PC compatible and meets minimum system requirements below: (1) Intel compatible 486DX4-100 MHz CPU or higher (2) A standard USB interface (4-pin), marked with (3) Windows 98/Me or Windows 2000/XP/Vista operating system, etc. Notices: (1) Before using the product, please read carefully the operation instructions thereof. - Page 4 select) to the virtual COM port, the communication with RS232 device will be realized, i.e. the conversion process from virtual COM port driver program to calling USB driver program is completely transparent for users, and users need not pay attention to realization details of the process and nothing remains but to consider the serial port communication.
- Page 5 (3) USB interface itself has relatively strong power supply ability. Therefore, USBRS-485/422 converter has no need of external power supply (i.e. it is free from power shortage). In addition, USB has such advantages as hot plug, convenient connection, connecting with multiple devices, etc. How does USB485×...
- Page 6 Illustrated Diagram for USB232 Virtual Serial Port Illustrated Diagram for USB485X Virtual Serial Port Note: It is transparent transmission process inside dashed line. It is unnecessary for users to pay attention to realization details.
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Page 7: Range Of Application
III. Range of Application The product is applicable to industrial control automatic system, bar code scanner, Palm, PLC and PLD, PDA (WinCE system), label printer, POS system, data acquisition control system and security access system, etc. IV. Functional Characteristics ◎Single chip (ASIC) USB port to serial port communication ◎... - Page 8 (2) In theory, RS-485 bus of USB485× at most can be connected with 32 standard 485 devices, but affected by load and communication distance, actual number of at most connecting with devices may not reach the numerical value (generally more than 20). V.
- Page 9 After installed successfully, the USB485× product can be put into normal service. Note: after successful installation, the corresponding USB virtual serial port (virtual serial port device (COM3)) can be viewed in device manager. Method II: Please install USB to RS485 device driver program in steps below: (1) Switch on power supply of the computer connecting with USB to RS485 device, and make sure the USB port to be connected has been started and put into normal service.
- Page 10 execute the wizard for adding new hardware to help you set new device. Install twice in total; install USB <-> Serial for the first time and click Next to continue. (3) Open USB to serial port line driver CD -CDM 2.04.16 WHQL Certified catalog, and select searching up-to-date driver program for hardware, and then click Next;...
- Page 12 (4) Click Finish, and you will be prompted to install USB Serial Converter in steps as the above.
- Page 13 (5) Click Finish, and you may normally use USB485× product. VII. Deletion of Driver Program Method I: (1) With regard to the driver installed by USB_drv.exe, enter control panel—Add or Remove...
- Page 14 Programs (2) Select “Windows driver program package– FTDI CDM Driver Package”, and click Alter/ Delete (3) Select “Yes (Y)”, and finish uninstallation.
- Page 15 Method II: With regard to the driver installed by CDM 2.04.16 WHQL Certified, the USB to serial port line driver program is deleted from Windows system in steps below: (1) Disconnect USB to serial port line from your computer. (2) Enter CD and execute FTClean.exe, and here display Status：Ready. Click Clean System. (3) The dialog box prompts “Disconnect all FTDI devices from the PC”, and click “OK”.
- Page 16 (6) After the driver program has been deleted, display Status：System clean completed, and Clean System button is grey. Click “Exit” to quit uninstallation interface. (The above is the installation process under windows XP operating system. The installation process under windows 98/2000/vista operating system, etc. is similar to that under windows XP operating system.) VIII.
- Page 17 (2) Select “Port Settings” in attribute dialog box, and click “Advanced…” (3) Select “COM4” in “COM Port Number”, and click “OK”...
- Page 18 (4) Rescan hardware, and you will see serial port number has been changed into COM4 from COM3.