Pre-Lab 4 - Fall 2008Pre-Lab 4 - Fall 2008Please build the following VIs prior to this lab:1. yourname_MotorDrive_Tacho.viBuild a VI to generate a DC voltage to drive a motor and read the tachogenerator voltage. Open the VI “DAQ_MotorDrive_Tacho_F08.vi” located in the melab share drive Save this VI as yourname_MotorDrive_Tacho.vi to the desktop or your network drive. Go to the front panel. o Select Pointer Slide from the Numeric subpalette and place it on the front panel and change the label to “Motor Drive Input Control”. On the block diagramo Wire the Pointer Slide to the DAQmx Read.vi.o Wire the Pointer Slide to the Merge Signal icon that is connected to theVoltage Signal Chart. This displays the Motor Drive Voltage on the Voltage Signal Chart. To make the digital display corresponding to the Pointer Slide visible, right-clicking on the Pointer Slide >> Click on Visible Items >> Click on Digital Display. You can now set the the Motor Drive Voltage using the Pointer slide or entering a number in the Digital Display. Set the Pointer Slide properties by right-clicking on the Pointer Slide and selecting Properties from the Pop-up menuo “Data Range” tab Range: -5.0, +5.0 Increment: 0.01 Save this completed VI as yourname_MotorDrive_Tacho .vi. It should look similar to Figure 1 and Figure 2.Figure 1. Front Panel for yourname_MotorDrive_Tacho.viFigure 2. Block Diagram for
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