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Фрагмент инструкции
The package should contain the following items: • USB-4750 Module • Shielded USB 2.0 Cable (1.8 m) • Companion CD-ROM (DLL driver included) • User Manual The USB-4750 Module harbors certain electronic components vulnerable to electrostatic discharge (ESD). ESD could easily damage the integrated circuits and certain components if preventive measures are not carefully paid attention to. Before removing the module from the antistatic plastic bag, you should take following precautions to ward off possible ESD damage: • Touch the metal part of your computer chassis with your hand to discharge static electricity accumulated on your body. One can also use a grounding strap. • Make contact between the antistatic bag and ground before opening. After taking out the module, you should first: Inspect the module for any possible signs of external damage (loose or damaged components, etc.). If the module is visibly damaged, please notify our service department or our local sales representative immediately. Avoid using a damaged module with your system. • Avoid physical contact with materials that could hold static electricity such as plastic, vinyl and Styrofoam. USB-4750 User Manual 6 2.2 Driver Installation We recommend you install the software driver before you install the USB-4750 module into your system, since this will guarantee a smooth installation process. The 32-bit DLL driver Setup program for the USB-4750 module is included on the companion CD-ROM that is shipped with your module package. Please follow the steps on the following page to install the driver software: 7 Chapter 2 For further information on driver-related issues, an online version of the Device Drivers Manual is available by accessing the following path: Start\Programs\Advantech Automation \Device Manager\Device Driver’s Manual USB-4750 User Manual 8 2.3 Hardware Installation Note: Make sure you have installed the software driver before you install the module (please refer to Section 2.2 Driver Installation) After the DLL driver installation is completed, you can now go on to install the USB-4750 module in any USB port that supports the USB 1.1/2.0 standard, on your computer. It is suggested that you refer to the computer’s user manual if you have any doubts. Please follow the steps below to install the module on your system. Step 1: Touch the metal part on the surface of your computer to neutralize the static electricity that might be in your body. Step 2: Plug your USB module into the selected USB port. Use of excessive force must be avoided; otherwise the module might get damaged. Note: In case you installed the module without installing the DLL driver first, Windows 2000/XP will recognize your module as an “unknown device” after reboot, and will prompt you to provide necessary driver. You should ignore the prompting messages (just click the Cancel button) and set up the driver according to the steps described in Section 2.2 Driver Installation. After your module is installed, you can configure it using the Advantech Device Manager. The Device Driver's Manual can be found at: Start\Programs\Advantech Automation\Advantech Device Man- ager\Device Driver’s Manual 2.4 Hardware Uninstallation Though the Advantech USB modules are hot swappable, we still recommend you to follow the hardware un-installation procedure to avoid any unpredictable damages to your device or your system. Step1: Close the applications of the USB module. 9 Chapter 2 Step2: Right click the “Unplug or Eject Hardware” icon on your task bar. Figure 2.1: Unplug or Eject Hardware Dialog Step3: Select “Advantech USB-4750 Device” and press “Stop” Button. Figure 2.2: Stop a Hardware device dialog box Step4: Unplug your USB device from the USB port. Note: Please make sure that you have closed the application before unplugging the USB device, otherwise unexpected system error or damage may occur. USB-4750 User Manual 10 3 Signal Connections Sections include: • Overview • Isolated Digital I/O Connections • Field Wiring Considerations CHAPTER Chapter 3 Signal Connections 3.1 Overview Maintaining good signal connections is one of the most important factors in ensuring that your application system is sending and receiving data correctly. A good signal connection can avoid unnecessary and costly damage to your PC and other hardware devices. 3.2 I/O Connectors USB-4750 is equipped with plug-in screw-terminal connectors that facilitate connection to the module without terminal boards or cables. 3.2.1 Pin Assignments Figure 3.1: I/O Connector Pin Assignment Note: IDI0 shares the same pin with INT0 IDI4 shares the same pin with INT0_G IDI7 shares the same pin with CNT0 IDI8 shares the same pin with INT1 IDI12 shares the same pin with INT1_G IDI15 shares the same pin with CNT1 USB-4750 User Manual 12 3.2.2 I/O Connector Signal Description Table 3.1: I/O Connector Signal Descriptions Signal Reference Direction Description IDI<0~15> GND Input Isolated digital input channels INT<0,1> INT_G Input Int...
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