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Associated Point Type
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Device or Virtual
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Access
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Read only
Configured on the General tab of the Port Properties dialog box.
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Value Type
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Boolean
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Expression Syntax
|
PointID.STALE_DATA
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Description
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When Enable stale data is checked in the Port Properties dialog box, the point will remain available in most circumstances that would have made it unavailable. However, this attribute will report that the point value is stale. It is the last known good value and may or may not have changed.
Note: Some devices may report some points as stale even without enabling this attribute.
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Returned Values
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1
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The point value is stale.
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0
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The point is not known to be stale.
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CIMPLICITY
