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Maintenance Information Window Section 4-5
Tabs in the Maintenance Information Window
General Tab Page
Status Check Boxes for Status Flags
The flags shown in the following table will be turned ON when the correspond-
ing error occurs.
Item Description
Comment Displays up to 32 characters of text set as the Unit comment.
Last Maintenance
Date
Displays the last maintenance date that was set.
Unit Conduction
Time
Displays the total time that the Unit has been ON (cumulative
power ON time).
Update Button Click this Button to update the Maintenance information.
Save Maintenance
Counter
This function saves the maintenance counter value in the Unit.
If this function is used, the previous value will be retained
when the power supply is turned OFF and ON again.
Item Description
Unit Maintenance ON when the total Unit ON time exceeds the set value.
Also turns ON when the Unit ON time exceeds 87672 hours
(10 years).
Connected Device
Maintenance
ON when any I/O point’s Total ON Time Monitor or Contact
Operation Counter exceeds its user-set monitor value.
Operation Time
Monitor
ON when the measured operation time exceeds the user-set
monitor value.
I/O Power Supply
Error
ON when the input power supply is OFF.
EEPROM data error ON when the data contained in EEPROM is invalid.
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Status check boxes
(Status flags)
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