Chapter 6
VirtualBench-DMM
Getting Started with VirtualBench
6-4
www.ni.com
b.
Click the Volts AC or Volts DC button in the Function selector.
VirtualBench-DMM continuously acquires and displays voltage
measurements in the display window.
c.
If the DMM display shows +CLIP or –CLIP, confirm the input
signal does not exceed the range of your DAQ device and the input
signal does not exceed the selected range.
d.
Click Run to stop the measurement.
3.
Measure current. If you are using an NI 4060 PCI/PXI-based
multimeter or an IVI instrument, skip to Step 3g.
If you are using any other device, VirtualBench-DMM requires a
precision external shunt resistor to measure current. Complete these
steps to configure your precision external shunt:
a.
Connect a precision shunt resistor across the input of the channel
you specified in Step 1. Refer to the user manual of your DAQ
device for details.
b.
Connect your current signal to the same terminals.
c.
Select Edit»Settings on the front panel.
d.
Select the Current and Resistance tab, shown in Figure 6-3.
Figure 6-3. Current and Resistance Tab of VirtualBench-DMM Settings Dialog Box