Alarm History Clear - Mitsubishi F940GOT-SWD-E Operation Manual

Graphic Operation Terminal F940GOT
6.6

Alarm history clear

This paragraph describes the operating procedure to clear the alarm history in the alarm
mode.
The clear history function deletes both the alarm history and the alarm frequency result.
u u u u Basic operation
The ALARM
MODE screen
is displayed.
Paragraph 6.1
[ 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 the screen creation software for DU (FX-PCS-DU/WIN-E) is used
When the first bit (b0) of a control device becomes ON, the alarm history is cleared.
Example: When M0 is selected as the control device
When the contact input becomes ON, the alarm history is cleared.
When the screen creation software for GOT-A900 (SW¨D5C-GOTRE-PACK) is used
When the first bit (b0) of the head read device (word device) becomes 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" in "Alarm History Common Setting" in
the screen creation software, the alarm history can be cleared in the same way.
CLEAR HISTORY YES
Select "CLEAR
NO
HISTORY" on the
screen.
END
YES
NO
M0
When M0 is selected as the control device
MOV D10 K1M10
M10
: Executes the clear history function.
: Returns to the ALARM MODE screen.
Alarm Mode 6
6-11