Toshiba TR PMIU, Руководство пользователя, Страница: 171 / 182

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9 9 9 9. . . .5 5 5 5 Data logger Data logger Data logger Data logger
9 9 9 9. . . .5 5 5 5. . . .1 1 1 1 Overview
Data logger records the value of the register tag to
backup area every when specified intervals. Logged
data can be viewed in the Historical trend object
(refer 8.2.6), and can upload from unit to your PC by
using USB memory device (refer 6.2.4, USB Logged
Data Upload). If you use this function for daily
operation such as outputting data for daily reports etc,
USB Logged Data Upload is recommended.
There is up to 4 groups of data logger in unit, each
group has up to 30 register tags for data source and
can start/stop logging individually in each group.
Data logger is set in “Data Logger” folder in Project
information.
This object uses RTC to time axis control, so TR
PMIU0300L/0500L cannot use this function.
If settings of RTC is changed while logging, the Date/Time of logged data is jump to changed Date/Time.
To extract logged data, you can use
Data logger can control by Specific Key task. Available key task is shown below. Refer 6.1.5.
Task Description
Refresh all Trend Trend object Refresh display of Historical trend object.
Start Logger for all groups Start logging for all groups.
Stop Logger for all groups Stop logging for all groups.
Start Logger for group Start logging for specified groups.
Stop Logger for group Stop logging for specified groups.
Clear Log Memory
Data logger
Clear Data logger memory.
Start printing of group
Start printing desired value and information of
logged data tag.
Stop printing of group
Data logger
Stop printing desired value and information of
logged data tag.
Setting area
Data
Logger