3.2 Function Modules
Data Logging
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Data Logging
Data logging saves the values of specified registers in a log file according to the preset trigger timing and
conditions.
The data is stored in the RAM in the CPU Unit or on the USB memory device.
Operating Procedure
This section describes how to perform data logging.
1.
Connect the Machine Controller to the PC, and start the MPE720.
Refer to the following manual for details.
MP2000/MP3000 Series Machine Controller System Setup Manual
(Manual No.: SIEP C880725 00)
2.
Select
View
−
System
from the menu bar.
The System Pane will be displayed on the left side of the window.
3.
Click the
Expand [+]
Button next to the
Logging
item to display the log files in the System Pane
and double-click
Logging1
.
Data Storage Location
Merits
Demerits
RAM in CPU Unit
The file writing speed is fast and the
overhead that is placed on the scan is low.
• Data is lost when the power supply to
the CPU Unit is turned OFF.
• Storage capacity is limited to 8 MB.
USB memory
• Data can be stored for a long time.
• Logged data can be viewed easily by
inserting the USB memory device into
a PC.
The file writing speed is slow and the
overhead that is placed on the scan is
high.
