lang="en-US"UTF-8 Prosig Support Blog - The place to come for support for Prosig's DATS, P8000 & PROTOR products class="home blog custom-background custom-background-image group-blog blogolife-3_0_7 unknown"

Prosig Support Blog

The place to come for support for Prosig's DATS, P8000 & PROTOR products

Prosig Support Blog
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Does the P8000 support strain gauges? And which types?

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I’m often asked whether the Prosig P8000 systems support strain gauges. And what configuration of strain gauge bridges are supported? The answer is all types of all the different configurations. Continue reading Does the P8000 support strain gauges? And which types?

James WrenAdd a Comment3813class="post-3813 post type-post status-publish format-standard hentry category-dats category-signal-processing category-tutorial tag-dats tag-moving-average tag-p8000 tag-trend"

Example of performing a Moving Average

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This tutorial guides a DATS user through the steps required to perform a moving average on a given signal. The tutorial explains the concept of the ‘Integration Length’ and the ‘Output Interval Step’.

Initially a signal is required to perform the moving average on. In this tutorial a sine wave will be generated. A sine wave is generated using the parameters shown in Figure 1.

Parameters for creating a sine wave
Figure 1 : Parameters for creating a sine wave

Continue reading Example of performing a Moving Average

James Wren3 Comments3803class="post-3803 post type-post status-publish format-standard hentry category-signal-processing category-tutorial tag-average tag-averaging tag-frf tag-structural tag-structure"

Averaging Frequency Response Functions From A Structure

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The following was written by Adrian Lincoln in response to a customer asking about averaging Frequency Response Functions (FRFs)

Further to your reply it should be noted that there is no such mathematical or physical quantity corresponding to an averaged structural FRF except in those special cases where you are testing a symmetric structure comprised of nominally identical components (such as turbine blades). For symmetric structures, where you can impact at a similar position on each component and measure the corresponding acceleration at a similar response position, then the individual FRF’s should have the same characteristics and therefore can be averaged.

For structures that don’t have multiple symmetric components then you should not perform any sort of averaging because the FRF’s will not have the same characteristics. For example, if you have beam-like structure and are measuring the FRF’s between different locations along the beam, then these FRF’s should only be averaged as moduli and not with respect to phase and coherence.

Adrian LincolnAdd a Comment3775class="post-3775 post type-post status-publish format-standard hentry category-dats category-p8000 category-tutorial tag-audio-playback tag-data-acquisition tag-dats tag-p8000"

Enabling Audio Playback in P8000 Acquisition Software

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It is possible to enable audio playback to listen to audible frequencies while recording or monitoring when using a P8000 and the V4 Acquisition software.

Continue reading Enabling Audio Playback in P8000 Acquisition Software

Justin FosterAdd a Comment3687class="post-3687 post type-post status-publish format-standard hentry category-p8000 tag-bnc tag-differential tag-ground tag-grounding tag-noise tag-p8000 tag-poor-grounding tag-single-ended"

Is it possible to connect the BNC outer to ground when using a P8000?

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A question was recently posed regarding the grounding conditions of a BNC type input. The shield or outer of a BNC cable or connector is not connected to the chassis or ground. What would happen if it was connected to ground?

Differential Continue reading Is it possible to connect the BNC outer to ground when using a P8000?

James WrenAdd a Comment3676class="post-3676 post type-post status-publish format-video hentry category-dats category-tutorial category-video post_format-post-format-video"

Automatic Reports Using The Intaglio Report Generator

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James WrenAdd a Comment3541class="post-3541 post type-post status-publish format-standard hentry category-dats category-signal-processing category-tutorial tag-analysis-frequency tag-anti-alias tag-anti-aliasing tag-antialias tag-downsample tag-frequency tag-maximum-frequency tag-nyquist"

What is the maximum analysis frequency for a waterfall in DATS?

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The maximum analysis frequency is always half the sample rate of the input signal.

So if your data is captured at 50kHz the maximum analysis frequency will be 25kHz.

Continue reading What is the maximum analysis frequency for a waterfall in DATS?

James WrenAdd a Comment3644class="post-3644 post type-post status-publish format-standard hentry category-dats category-tutorial tag-color-plot tag-harmonics tag-intensity tag-order tag-order-plot tag-order-track tag-waterfall tag-waterfall-plot"

Creating Order Plots Using The DATS Rotating Machinery Software

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In this tutorial we will be creating order plots using waterfall and intensity displays using use the DATS.toolbox and Rotating Machinery Analysis option.

To begin, a noise, vibration or other signal of interest should be captured along with a tachometer signal.

In Figure 1 we have loaded a time series (in this case an acceleration signal) and a time series of a tachometer pulse train into the DATS software.

Continue reading Creating Order Plots Using The DATS Rotating Machinery Software

James WrenAdd a Comment3625class="post-3625 post type-post status-publish format-video hentry category-dats category-tutorial category-video tag-dats tag-graph tag-noise tag-orbit tag-orbit-plot tag-vibration post_format-post-format-video"

Making an Orbit Plot

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A short video tutorial describing how to create an orbit plot using the DATS software

James WrenAdd a Comment3622class="post-3622 post type-post status-publish format-standard hentry category-p8000 category-tutorial tag-data-acquisition tag-p8000 tag-rotating-machinery tag-tacho tag-tacho-signal tag-tachometer"

How to use an Analogue Channel with Tachometer Signals on the P8000

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When using an analogue channel input channel of a P8000, with a tachometer sensor, is it possible to utilise the tachometer processing functions as you would if you were using a tachometer input of the P8000?

For example could you display an RPM on an analogue channel?

When using an analogue channel it is possible to select, from the signal setup matrix, ‘Trigger Type’, with this option set to ‘Tacho’ and the ‘Trigger Level’ set to the voltage crossing threshold several features become available in terms of tachometer processing.

By selecting the above options the user will be able to use the ‘Digital Panel’ display type from the signal display and thus by selecting the ‘Speed’ option in the ‘Display Type’ drop down list an RPM will be available.

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