National Instruments BNC-2090 User Manual

Also see for BNC-2090: User manual

Contents

National Instruments BNC-2090 User Manual Manual pdf 17 page image

Chapter 2 Configuration, Installation, and Signal ConnectionBNC-2090 User Manual2-6 National Instruments Corporationfactory-default settings. Refer to Chapter 3, Signal ConditioningApplication Examples, for more information.Installing Your BNC-2090Perform the following steps to connect your BNC-2090 to your DAQsystem. Consult your computer user manual or technical referencemanual for specific instructions and warnings.1. Determine what signal conditioning you need for analog inputs andinstall the necessary components into the open componentpositions. Refer to Analog Input, in Chapter 3, Signal ConditioningApplication Examples, for more information.2. Make sure that jumper W1 and switches SW1–SW9 are setcorrectly for your current application.3. Select the power source for the BNC-2090 by sliding the powerswitch, located on the rear panel of the BNC-2090, to select theDAQ board you are using (MIO or PC-LPM-16).4. (Optional) You can mount the BNC-2090 into a 19 in. rack or placethe accessory on a workbench near the host computer. If you do notrack-mount the accessory, you can use the four adhesive rubber feetincluded in the BNC-2090 kit to keep the accessory stationary onyour workbench.5. Connect the BNC-2090 to the DAQ board. Refer to Table 2-2 tomake sure you have the appropriate cable for your pin connector.6. Connect your field signals to the BNC-2090 at the BNC connectorsor spring terminals. Refer to Connecting Analog Inputs orConnecting Digital I/O Signals for more detailed information.7. Turn on the computer. If the green power LED, located on the frontpanel of the BNC-2090 to the right of the spring terminal blocks,does not light when you power on the DAQ board, turn off thepower for the BNC-2090 and make sure the power switch is in thecorrect position for the board you are using.8. When you have finished using your BNC-2090, be sure you turn offany powered external signals to the BNC-2090 before you turn offyour computer.Warning: The BNC-2090 is not designed for any input voltages greater than 42 V,even if a user-installed voltage divider reduces the voltage to within theinput range of the DAQ board. Input voltages greater than 42 V candamage the BNC-2090, any and all boards connected to it, and the host