Omega Vehicle Security USB-4761 manual Isolated Digital Input Connections, Relay Connections

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3.3 Isolated Digital Input Connections

3.3.1 Single-ended Channel Connections

USB-4761 has 8 isolated digital input channels. Each of isolated digital input channel accepts 10~30 VDC voltage inputs, and accept bi-direc-

tional input. It means that you can apply positive or negative voltage to an isolated input pin (Vin ). The figure below shows how to connect an external input source to one of the card's isolated input channels.

Figure 3.2: Isolated Digital Input Connections

3.4 Relay Connections

After power on, the initial relay output status is shown as below:

Figure 3.3: Relay Output Channel Connections

Chapter3

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Contents 8 Channel Relay/Isolated DI USB Data Acquisition Module User’s GuideUSB-4761 Shop online atServicing North America OMEGAnet Online Service omega.comInternet e-mail info@omega.com For immediate technical or application assistanceUser Manual 8-channel Relay / Isolated DI USB Data Acquisition ModuleUSB-4761 Contents Signal ConnectionsChapter InstallationA Specifications AppendixB Function Block Introduction Features Applications Installation Guide Software OverviewThe power output of an USB port is 500 mA 1.1 FeaturesYou can install up to sixteen USB-4761’s to a external power supply to support more than one1.1.2 Wide Input Range 1.1.3 Reset Protection for Industrial Applications1.1.1 Robust Protection 1.1.4 Plug & Play Function1.3 Installation Guide 1.2 ApplicationsFigure 1.1 Installation Flow Chart 1.4 Software Overview 1.4.1 Programming Choices for DA&C Module1.4.2 Device Drivers Start/Programs/Omega USB-4700 Series/Device Driver’s Manual 1.5 Device Driver Programming1.5.1 Programming Tools C/Program Files/Omega/USB-4700/Examples1.5.3 Troubleshooting Device Drivers Error 1.5.2 Programming with Device Drivers Function LibraryInstallation Unpacking Driver Installation Hardware InstallationDevice Setup & Configuration Device Testing Hardware Uninstallation Chapter 2 Installation 2.1 UnpackingAfter taking out the module, you should first command to execute Setup.exe on the companion 2.2 Driver InstallationIf the auto-play function is not enabled on your computer, use Windows Explorer or Windows Runbefore you install the module please refer to 2.3 Hardware InstallationMake sure you have installed the software driver Section 2.2 Driver Installationthe driver installation process again If your module is properly installed, you shouldinstalled. In this case, remove the mod- ule from Figure 2.2 Device Name on the Device Manager2.4 Device Setup & Configuration 2.4.1 Setting Up the Devicecan’t find it in Device Manager, please close the 2.4.2 Configuring the DeviceFigure 2.4 Device Manager Dialog Box Device Manager and restart itPlease refer to the software manual 2.5 Device TestingFigure 2.5 The Device Setting Dialog Box download utility guidance and further information2.5.1 Testing Digital Input Function 2.5.2 Testing Digital Output FunctionFigure 2.6 Digital Input Tab in Device Test Dialog 2.6 Hardware Uninstallation Figure 2.7 Digital Output Tab in Device Test DialogFigure 2.8 Unplug or Eject Hardware Dialog Figure 2.9 Stop a Hardware device dialog boxStep3 Select “USB4711 Device” and press “Stop” Button programs before unplugging the USB device, otherwise some unexpected system errors or damages may hapPlease make sure that you have closed the application Step4 Unplug your USB device from the USB portSignal Connections Sections include Overview I/O Connectors Field Wiring Considerations3.1 Overview Chapter 3 Signal Connections3.2 I/O Connectors 3.2.1 Pin AssignmentFigure 3.1 I/O Connector Pin Assignment Chapter3Table 3.1 I/O Connector Signal Description 3.2.2 I/O Connector Signal Description3.2.3 LED Indicator Status Description Table 3.2 LED Indicator Status Description3.3.1 Single-ended Channel Connections 3.3 Isolated Digital Input Connections3.4 Relay Connections Figure 3.2 Isolated Digital Input Connections3.5 Field Wiring Considerations Specifications Appendix A Specifications A.1 Isolated Digital InputA.2 Relay Output A.3 General AppendixAUSB-4761 User Manual Function Block Appendix B Function Block WARRANTY/DISCLAIMER RETURN REQUESTS/INQUIRIESFLOW/LEVEL TEMPERATUREPRESSURE, STRAIN AND FORCE pH/CONDUCTIVITY