<5. Functions>
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IM 01E21A02-03EN
5.11.4 Data Logging Function
When the optional code MC (microSD card) is selected, the data logging function can store up
to four process values to the microSD card. To use this function, it is necessary to specify a file
name, data storage interval,and ending time.
Stored data is saved in the “YOKOGAWA” folder as a “.TRD” file.
The setting can be configured with the following parameters.
Menu path
Display
Device setup ► Diag/Service ► Data log ► (see below)
F
OUNDATION
Fieldbus
Device Configuration ► MTB ► Device Configuration ► Maintenance ► Data Logging ►
(see below)
Block
Name
Relative
Index
Parameter
Description
Display
F
OUNDATION
Fieldbus
MTB
85
File name
Logging File Name
Specifies the name of the file to be
stored.
MTB
86
Interval time
Logging Interval Time
Specifies the data storage
interval.
*1
MTB
87
Start date
Logging Start Date
Displays the date to start the data
logging function.
MTB
88
Start time
Logging Start Time
Displays the time to start the data
logging function.
MTB
89
End time
Logging End Time
Specifies the time to end the data
logging function.
*2
MTB
90
Log 1
Log 1 Select
Specifies process value 1 to be
stored.
*3
MTB
91
Log 2
Log 2 Select
Specifies process value 2 to be
stored.
*3
MTB
92
Log 3
Log 3 Select
Specifies process value 3 to be
stored.
*3
MTB
93
Log 4
Log 4 Select
Specifies process value 4 to be
stored.
*3
MTB
94
Execute
Logging Execute
Specifies the execution of the data
logging function.
*4
*1:
From the table below, select the data storage interval.
Selection
Description
Display
F
OUNDATION
Fieldbus
1 s
1s
Sets the storage interval to 1 sec.
10 s
10s
Sets the storage interval to 10 sec.
30 s
30s
Sets the storage interval to 30 sec.
1 min
1min
Sets the storage interval to 1 min.
5 min
5min
Sets the storage interval to 5 min.
30 min
30min
Sets the storage interval to 30 min.
1 h
1h
Sets the storage interval to 1 hour.