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Disclosed is a programming application which provides a memory saving technique for storing text on disk, allowing construction of a paragraph of text from a single error code number.
English (United States)
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Construction of Error Messages Using Multiple Indices into Text File
Disclosed is a programming application which provides a memory saving
technique for storing text on disk, allowing construction of a paragraph of text
from a single error code number.
In manufacturing floor control systems, controlling devices are
required to display information about errors occurring in the
manufacturing process or in the control equipment itself. At a
minimum, these messages must contain the following information:
1.) What equipment is experiencing an error,
2.) A description of the error,
3.) What steps the operator should take to correct the error.
This disclosure outlines a methodology to take advantage of the fact that one
or more of these elements may be common to a large number of error conditions.
When an error occurs, the device or module that detects the error passes a
unique number representing the error to an error handler. This module reads,
from a pointer file, the record corresponding to the error number. This record in
turn contains multiple pointer values, each of which points to a single partial
message, contained within a second, error text file. The multiple partial
messages are then reflowed into a single paragraph constituting the final error
message. The figure illustrates this process.
This technique obviates the need to store repeated messages in cases where
unique error conditions require partially common text.