Quick functions

Introduction

This page will show you how to use the quick functions to easily use your TiePie engineering measuring instrument as different virtual instruments: oscilloscope, spectrum analyzer, data logger or voltmeter.

The quick functions can be accessed via the main menu and the quick functions toolbar.

Available functions

The easiest way to use the quick functions, is to use the buttons on the quick functions toolbar, but they can also be accessed via the main menu.

quick functions toolbar

The available quick functions are listed in the following table.

Icon Action Short description
Add Create new graph Create a new, empty graph
Yt Create Yt graph Create a Yt graph for the active instrument
XY Create XY graph Create an XY graph for the active instrument
FFT Spectrum analyzer Create a spectrum graph for the active instrument
Trans Data logger Set the active instrument to streaming mode and make a data logger graph
Meter Create voltmeter Create a voltmeter for the active instrument
CAN analyzer CAN analyzer Create a CAN analyzer I/O and connect it to the active instrument
I2C analyzer I²C analyzer Create a I²C analyzer sink and connect it to the active instrument
Serial analyzer Serial analyzer Create a Serial analyzer sink and connect it to the active instrument

Quick functions act on the active instrument, in the program settings can be determined on which channels the quick functions act.

An example of each function is given in the following sections. A Handyscope HS3 is used, but other instruments supported by the Multi Channel oscilloscope software can also be used.

New Graph

To create a new, empty graph, click the Add button on the toolbar. This will create a new graph in the in the area of the largest available graph, dividing that area in two. When the width of the area is larger than √2 times its height, the new graph will be created next to the existing graph. Otherwise, it will be created below it. The new graph will be made the active graph.

Oscilloscope

An oscilloscope can be used to display measurements against time (Yt mode) or to display one channel against another (XY mode). You can manually set a graph to either Yt or XY mode, and drag the desired channels into the graph, or you can use the Yt or XY quick functions.

Information about using graphs can be found in the graph section. To learn more about basic measurements, read the digital data acquisition page and the triggering page.

Yt mode

To use the active measuring instrument as an oscilloscope in Yt mode, click the Yt button on the toolbar.

The channels of the active instrument will be shown in an empty graph. A new graph will be created when no empty graph is present. The new graph will be made the active graph.

Oscilloscope in Yt mode

XY mode

To use the active measuring instrument as an oscilloscope in XY mode, click the XY button on the toolbar.

Channels 1 and 2 of the active instrument will be shown in an empty graph. A new graph will be created when no empty graph is present. The new graph will be made the active graph.

This function is disabled when the active instrument has less than two channels.

Oscilloscope in XY mode

Spectrum analyzer

To use the active measuring instrument as a spectrum analyzer, click the FFT button on the toolbar.

An FFT object will be created and connected to each channel of the active instrument. The FFT objects convert the measured time base signals to a spectrum by means of a Fast Fourier Transform. The outputs of the newly created FFT objects will be shown in an empty graph. A new graph will be created when no empty graph is present. The new graph will be made the active graph.

Spectrum analyzer

Data logger

To use the active measuring instrument as a data logger, click the Trans button on the toolbar.

The active instrument will be set to streaming mode and a data collector object will be created and connected to each channel of the active instrument. The outputs of the newly created data collector objects will be shown in an empty graph. A new graph will be created when no empty graph is present. The new graph will be made the active graph.

The data logger is usually used for relatively slow signals. The instrument is set to streaming mode. The advantages over normal scope mode operation are:

  • The measurement display is constantly updated during the measurement. You don't have to wait until the whole measurement is completed to see the result.
  • Longer measurements are possible than would fit in the instrument's memory in normal scope operation.

Read more about the differences between scope mode and streaming mode on the streaming measurements page.

Transient recorder

Voltmeter

To use the active measuring instrument as a voltmeter, click the Meter button on the toolbar.

The channels of the active instrument will be shown in a newly created meter object.

By default, the measurements "Mean" and "RMS" are enabled. Other measurements can be added for each channel. Examples are: minimum, maximum, top-bottom, variance, standard deviation, frequency and for frequency data: Total Harmonic Distortion.

Voltmeter

CAN analyzer

To use the active measuring instrument as a CAN analyzer, click the CAN Analyzer button on the toolbar. A new CAN analyzer I/O will be created and connected to an newly created table sink to display the decoded CAN data.

If the active instrument has two or more channels, the user is asked whether one or two channels should be used. When two channels are used, both the CAN high and CAN low signal should be measured. The difference signal H-L is calculated with a Add/Subtract I/O and fed into the analyzer. If only one channel is used, this may measure CAN high, or the differential CAN signal H-L. The latter is only possible with a differential input.

CAN analyzer example Measurement on a CAN bus, with decoded CAN data.

I²C analyzer

To use the active measuring instrument as a I²C analyzer, click the I2C Analyzer button on the toolbar. A new I²C analyzer sink will be created and connected to the first two channels of the active instrument. The I2C analyzer can only be used with instruments with two or more channels. The first channel will be used as I²C SCL (clock) and the second as I²C SDA (data).

Decoded I²C data Decoded I²C data.

Serial analyzer

To use the active measuring instrument as a serial analyzer, click the Serial Analyzer button on the toolbar. A new Serial analyzer sink will be created and connected to the first active channel of the active instrument. It can be used to analyze RS232, RS485, MIDI, DMX or other compatible serial buses.

Decoded serial data Decoded serial data.