Alarm History Clear - Mitsubishi Electric F930GOT-BWD Operation Manual

Graphic Operation Terminal GOT-F900
12.3.5

Alarm history clear

This paragraph describes the operating procedure to clear the alarm history.
The clear history function deletes both the alarm history and the alarm frequency result.
u u u u Basic operation
ALARM MODE
screen is
displayed.
Paragraph 7.3
[ CLEAR HISTORY ]
[ CLEAR HISTORY ]
CLEAR HISTORY DATA ?
• When the message "COMPLETED!" is displayed, the history has been cleared.
• By setting a control device (system information) to ON, the alarm history can be cleared
from the PLC.
When FX-PCS-DU/WIN-E is used
When the first bit (b0) of a control device turns ON, the alarm history is cleared.
Example: When M0 is selected as the control device
When GT Designer is used
When the first bit (b0) of the head read device (word device) turns ON, the alarm history
is cleared.
Example: When D10 is selected as the head read device
M8000 : Always ON
By using a device specified in "History Clear Trigger" - "Alarm History Common Setting"
in the screen creation software, alarm history can be cleared in the same way.
CLEAR HISTORY
Select "CLEAR
HISTORY".
END
YES
NO
When the contact input turns ON, the alarm history is cleared.
M0 When M0 is selected as the control device
MOV D10 K1M10
M10
YES : Executes the clear history function.
NO : Returns to the ALARM MODE screen.
Alarm Mode 12
12-13