12.1 Data Logging
12.1.1 Operating Procedure
12-3
12
Function
s
of the Contr
oller
S
ection
12.1
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 or on the USB memory device.
12.1.1
Operating Procedure
This section describes how to perform data logging.
1.
Connect the SERVOPACK to the PC, and start the MPE720.
Refer to the following section for details.
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 Sys-
tem Pane and double-click
Logging1
.
Data Storage Location
Merits
Demerits
CPU RAM
The file writing speed is fast and the
overhead that is placed on the scan is
low.
•
Data is lost when the control power
supply 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.
