Trace Operation and Time Chart
5.2 Operation When Trace is Selected for Application
5.2.1 Operation When Trace Operation is Started
The following operations are executed when the start operation is requested.
• Registered data is confirmed.
• The logging/trace execution active flag (R9180/R9190/R9200/R9210) turns on.
• All other flags than the logging/trace execution active flag for LOG n are cleared during the
start request operation.
• Once writing data into an SD memory card becomes enabled after the logging/trace
execution active flag (R9180/R9190/R9200/R9210) turned on, the SD card buffer logging/file
writing active flag (R9181/R9191/R9201/R9211) turns on.
• When the box of "Write file after completion of trace" has been checked in the LOG file
settings dialog box, an operation error occurs if no SD memory card that is normally
readable and writable is inserted, or the battery cover is open.
5.2.2 Operation When Logging Operation Stops
Operation when switching from RUN mode to PROG. mode
• All logging operations stop.
• The data stored in the buffer memory of the control unit will be discarded.
5.2.3 Operation When Power Supply Turns Off
Operation When Power Supply Turns Off
• When activating the logging/trace function, the power off flag during SD memory card access
(R917F) turns on.
• The data stored in the logging buffer (RAM) of the control unit will be discarded.
•
In case of the middle of file writing into an SD memory card, written data or
files may be damaged, or the SD memory itself may not be read.
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