Select the General tab in the Variable Quality Characteristics Properties dialog box.
General features are as follows.
1
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Active.
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2
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Name.
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3
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Description.
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4
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Calculation type.
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5
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Data setpoint ID.
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6
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Sampling Parameters
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Does the following.
Checked
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Activates data collection for the product variable.
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Clear
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De-activates data collection for the product variable.
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Default
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Checked
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Identifies the product's variable characteristic that will be measured.
Default
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VAR
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Maximum Length
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16 characters.
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Provides details to clearly identify the characteristic.
Maximum Length
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40 characters
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Note: The description displays in the SPC Configuration window list.
Selects the variable characteristics calculation type that will be available for charting.
Types are:
Chart |
Values for: |
X-Bar/R |
X-Bar and range. |
X-Bar/S |
X-Bar and standard deviation. |
Note: The X-Bar chart type you select will be available on the CimEdit SPC Control Properties dialog box Chart menu; the other will not be. You can change your selection at any time; however, you will have to stop and restart a running project to have the SPC Control recognize the change.
Enables usage of the current XBar-R or XBar- S values elsewhere in the selected project, or downloaded to a device.
Point type
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Floating-point array point of 2 elements
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The array contains values for the following.
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Chart
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Values for:
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XBar/R
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XBar and range
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XBar/S
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XBar and standard deviation
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Identifies the Subgroup size and gap size based on the Values or Points selection
Values |
Requires integers for values. |
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Subgroup size
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(Integer) identifies sample size.
Important: The subgroup size must be between 2 and 100.
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Gap size
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(Integer) identifies how many units will be skipped before the next sample is taken.
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Points |
Requires analog points for values. |
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Subgroup size
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(Point) identifies sample size.
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Gap size
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(Point) identifies how many units will be skipped before the next sample is taken.
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