Rockwell Automation 9301 Series RSView32 Users Guide - Manual (Page 575)

Sharing data with other Windows applications

16–13
Data log files—narrow .dbf format
Narrow .dbf format log files are created in sets of three. For more
information about .dbf data log files, see “The .dbf file format” on
page 7-3.
9.
Floating point and string data
Log files for floating and string data are the same except one contains
analog and digital tag data and the other contains string tag data.
This column Contains
Date The date the tag values were logged.
Time The time the tag values were logged.
TagIndex The index number for the tag. The tag name that
corresponds to this number is listed in the tag name file.
Value The analog, digital, or string value of the tag.
Status Blank if communications are working properly.
D if a node is disabled.
E if a communication error occurred while RSView32
was trying to acquire the tag value.
S if the tag value is stale; that is, if the value has been
acquired before but has not been updated.
U if the tag is uninitialized.