
9.NC MAINTENANCE OPERATION B-75074EN/04
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9.4.3 Clearing History Data
When you click the [Clear] button, the following inquiry appears to
confirm that history data may be cleared:
Click the [Yes] button. The history data is cleared.
9.4.4 History Signal Setting
Click the [Signal Setting] button. The screen changes as shown below,
enabling operation history I/O signals to be set.
• Setting of I/O signals
Set signal names, signal numbers, and bit data subject to I/O signal
history data manipulation. Up to 20 data items can be set.
• All clear
When you click the [All Clear] button, all currently set operation
history target signal data is cleared.
• Clear
When you click the [Clear] button, the operation history target
signal data where the cursor is placed currently is cleared.
• Display of the operation history screen
When you click the [History Display] button, the screen display
returns to the operation history display screen.