2 data logging settings database, Groupidtable, Grouptable – Yaskawa MP900 Series MPLOGGER User Manual
Page 95

7 Log Database Configuration
7-4
7.2
Data Logging Settings Database
This is the master database for log data. It stores the tag groups and tags contained in the groups
as specified in the data logging settings made through the PLC Menu. An MDB file is created in
a folder named “Data,” which is stored where MPLOGGER is installed. The MDB file uses the
following naming convention.
• Name of special workbook + “Log” + “.MDB”
GroupIDTable
This table is the change history table for the tag group settings.
If there is a change in the database, an entry is added to this table.
The tag table with a CreateID in the latest table is the tag group for which data is currently
being collected.
GroupTable
This table is a tag group table.
Field Name
Data Format
Description
CreateDate
Date/Time
Date when the Log Group was created
CreateID
Long integer
Created group ID
Field Name
Data Format
Description
GroupID
Long integer
Group identifier
CreateID
Long integer
Creation history and link
GroupName
Text
Group name
LogUse
Yes/no
Flag whether to collect or not
StartTime
Date/time
Collection start time
EndTime
Date/time
Collection end time
CycleTime
Long integer
Collection cycle