2-32
IM 04L57B01-01EN
Content of the Combined Data
For the data loss period, measured values of communication channels and the values
whose status is logging data are combined and overwritten.
GX20/GP20/GM10
GX70SM
GX/GP/GM event data
Data loss period
Logging data
Data combining
Data combining period
As a general rule, the condition of data loss period is defined by the occurrence and release
of alarm D (loss data) on the communication channel assigned to the target unit on the GX/
GP/GM.
However, data loss period may be assumed even when there is no occurrence and release.
(Condition numbers 2 to 4)
No. Alarm D
Preceding
recording
file*
Description
Data loss start
time
Data loss end
time
Occurrence Release
1
Yes
Yes
Irrelevant Normal determination.
Time of alarm
occurrence
Time of alarm
release
2
Yes
No
Irrelevant Determination when a file is
saved with data loss.
Time of alarm
occurrence
Last data time
3
No
Yes
Irrelevant Determination when there is a
data loss at the beginning of
the data.
First data time Time of alarm
release
4
No
No
Yes
Determination when there
is data loss over the entire
period with data loss at the
beginning of the data and
saved to files among the
divided files of continuously
recorded data.
To combine data in this
condition, a preceding file
with condition number 2 is
required.
First data time Last data time
5
No
No
No
Determined as outside the
data loss period.
―
―
* Indicates the previous data file among the divided files of continuously recorded data.
2.7 Saving Logging Data to a File and Combining Logging Data
Summary of Contents for GX70SM
Page 1: ...User s Manual IM 04L57B01 01EN 1st Edition Model GX70SM Wireless Input Unit User s Manual ...
Page 2: ......
Page 12: ...Blank ...
Page 148: ...Blank ...
Page 168: ...Blank ...