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4.11.
MENU 10 – HISTORICAL DATA
This menu is selected from MENU 1, the SELECT MENU.
The records are stored in EEPROM when abnormal events occur and are displayed in this menu. The
record display begins with the date and time stamp of each abnormal event.
personnel can trace back these events up to 77 records (which can be increased to 154 records with 2
EEPROMs). These records will not be erased by cutting off the power supply or by complete shutdown of the
converter, i.e. they will be kept in EEPROM forever unless over written by the 78th (or the 155th) record.
3 records can be displayed at a time on the screen. The records displayed are the 3 most recent records
in the EEPROM.
The displayed records will move one record upward when the UP (?) key is pressed, and
move one record downward when the DOWN (?) key is pressed.
events to be recorded, are listed below:
1. HIGH DC SHUTDOWN / SHORT CIRCUIT / FUSE/OVERHEAT
2. OVERLOAD SHUTDOWN / EMERGENCY STOP / INVERTER ABNORMAL
On the top right corner of the screen, the converter run time is displayed in year/month for the reference of
the user or maintenance personnel to estimate the time for maintenance.
The UP (?) or DOWN (?) key has no function in this menu.
SELECT menu, when ENTER (<+ ) is pressed.
<DATE/TIME/EVENTS>
2003/09/10
14:14
RUN:00YR00MO
FUSE/OVERHEAT
The abnormal conditions that caused the
The screen will go back to MENU 1- the
18
The user or maintenance
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