myDAQ How-to Guide

myDAQ How-to Guide
myDAQ How-to Guide
Leland Au, UC Berkeley
1. Type B USB port
2. Blue LED Indicator
3. Audio In
4. Audio Out
Power Supply:
5. +15V: +15V Power Supply
6. -15V: -15V Power Supply
7. AGND: Power Supply Ground
Analog Input:
8. AO0: Analog Output 0
9. AO1: Analog Output 1
10. AGND: Analog Input/Output Ground
Analog Output:
11. AI0+: Analog Input 0, Positive Terminal
12. AI0-: Analog Input 0, Negative Terminal
13. AI1+: Analog Input 1, Positive Terminal
14. AI1-: Analog Input 1, Negative Terminal
Digital Input/Output:
15. DIO: Digital Input/Output Pins 0-7
16. DGND: Digital Input/Output Ground
17. 5V: 5V Digital Power Supply
Digital Multimeter:
18. HI: Positive Terminal for V,Ω,Diode (60V Max)
19. COM: Common Ground
20. HI: Positive Terminal for Current (1A Max)
Kit Materials (from the box):
● 1 myDAQ
● 1 male-to-male audio cable
● 2 banana cables with probes
● 1 USB A/B cable
● 1 screw-terminal connector
● 1 CD
● 1 Certificate of Ownership (this contains software and
driver license serial numbers)
● 1 screwdriver
● 1 Quick Start Guide
Basic Usage
(bolded numbers refer to the myDAQ diagram)
To enable the myDAQ:
1. Plug in one end of the USB cable to the computer, and the
other end to the top of the myDAQ (1)
2. A blue LED indicator on top of the myDAQ will turn on (2)
Using the screw terminals (5-17):
● Attach the screw-terminal connector
● Insert/remove wires when the appropriate screw is loose.
● Turn the appropriate screw counterclockwise (with the
screwdriver) to loosen.
● Turn the appropriate screw clockwise to tighten.
±15V Power Supply (non-adjustable):
1. Insert a wire into the +15V power supply (5) and/or -15V
power supply (7) (see “Using the terminals”)
2. Insert a wire into AGND (5)
3. Connect wires to the appropriate places in your circuit
NI ELVISmx (virtual instruments)ii
Launch: Start -> All Programs -> National Instruments ->
NI ELVISmx Instrument Launcher
Installation notes :
1. Make sure to install LABVIEW, NI ELVISmx, and Multisim
(the installation times are specified in the installer as well)
2. Information releasing and NI update installer: up to you
3. Full name and company: up to you
4. Serial numbers are on the Certificate of Ownership (see
5. Several dialogs requiring user interaction will appear
during installation.
6. Installation time: about 45 minutes
7. Restart your computer after installation.
Leland Au
DMM: Digital Multimeter
Scope: Oscilloscope
FGEN: Function Generator
Bode: Bode Analyzer
DSA: Dynamic Signal Analyzer
ARB: Arbitrary Waveform Generator
DigIn: Digital Reader
DigOut: Digital Writer
Digital Multimeter
Launch: NI ELVISmx Instrument launcher -> DMM
Measurement settings
a. DC Voltage (60V Max)
b. AC Voltage (60V Max)
c. DC Current (1A Max)
d. AC Current (1A Max)
e. Resistance
f. Diode
g. Continuity
Mode: Auto (recommended) or Specify Range (and set the
limit under “Range”)
Device: Should include “(NI myDAQ)”
Banana Jack Connections: The arrows indicate where to
connect the banana cables to on the myDAQ (18-20)
Run: Starts the multimeter
Stop: Stops the multimeter
Function Generator
Launch: NI ELVISmx Instrument Launcher -> Scope
Launch: NI ELVISmx Instrument launcher -> FGEN
1. Source: Input channel from the myDAQ (either AI0(11) or
AI1(13)). Make sure the negative terminal of the corresponding
channel goes to ground (12 or 14, respectively)
2. Enable: Make sure this is checked to view the channel
3. Device: Should include “(NI myDAQ)”
4. Autoscale: Press to fit data on the viewer
5. Run: Starts the oscilloscope
6. Stop: Stops the oscilloscope
7. Cursors On: Enable to read the current data point
8. Display Measurements: Enable for RMS voltage, frequency,
and peak-to-peak voltage
1. Waveform: Sine, triangle, or square waveforms
2. Frequency: Waveform frequency (Hz)
3. Amplitude: Waveform peak-to-peak voltage (Vpp)
4. DC Offset: Constant offset to waveform
5. Device: Should include “(NI myDAQ)”
6. Signal Route: Output channel to myDAQ (AO0(8) or AO1(9))
7. Run: Starts the function generator
8. Stop: Stops the function generator
For Macs, refer to Basically, you need Windows on the Mac.
The grayed-out instruments in the launcher and DMM require an NI ELVIS system.
Leland Au
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