Dialog: Function-Block: Statistics

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Dialog: Function-Block: Statistics

Statistics FB

See Add Statistics FB


Statistics FB

If you can connect a wire to a Graph FB to plot its data over a complete machine-cycle ...

  ... then you can connect a wire to a Statistics FB to find statistical data for the complete machine-cycle.


Compare with Element Properties dialog, which displays the data-values at the Master Machine Angle only.


There are two steps you need to do to get the Statistics for a Data-Channel on a wire.

STEP 0: Connect a wire to the input of the Statistics FB.

A wire that you connect from the output-connector of a FB to the input-connector of the Statistics FB has three Data-Channels.

For example, the three Data-Channels at the output-connector of a Motion-Dimension FB are the three motion-derivatives of a dimension

STEP 1: Select the Data-Channel

MD-Icon-FB-Stats

STEP 1.Open the Statistics dialog-box

Edit the Statistics FB:

1.Double-click the Statistics FB in the graphic-area

- or -

1.See How to Open a Dialog-Box

The Statistics FB dialog-box is now open.

MD-Dialog-FB-Statisitics

 Channel / Derivative 

STEP 2.Click the Derivative drop-down and select the derivative for which you want Statistics

Derivative

≡ Data-Channel

Dis.

Linear Position or Angular Angle or Torque

Vel.

Linear Velocity or Angular Velocity or Force X

Acc.

Linear Acceleration or Angular Acceleration or Force Y

* The Data-Channels in the drop-down box are always: Dis, Vel, and Acc , even if the actual units are different. The actual units:

For a Kinematic-FB are three(3) motion-derivatives

For a Force-Data FB are Total Force/Torque, Force X, Force Y.


Ignore the other separators in the dialog.


STEP 3.Click OK-tiny-13-17 to close the Statistics dialog-box

STEP 2: Show the Statistics Properties

Statistic Properties dialog

Statistic Properties dialog

STEP 1.Open the Properties box

1.CTRL + Click the Statistics FB in the graphic-area

The Properties box is now open.

Read the Statistical Properties for the Data-Channel of the wire that is connected to its input-connector.

Mean

Ans Max

Maximum

Minimum

RMS

Standard Deviation

Standard Error

Maximum Sum


Note: to edit the Number-Format for the Statistics Properties, use:

Application-Settings > Number-Format > Data-Output Format > Digits and Precision