Chapter 4. CPU Specifications
4-8
4.5 Battery
Battery is inserted in XGB PLC compact main unit (XEC-DR32/64H, XEC-DN32/64H, XEC-DP32/64H)
4.5.1 Battery specification
Purpose
Program and data backup,
RTC operation in case of power failure
Manganese Dioxide lithium battery
Dimension (mm)
φ
4.5.2 Notice in using
(1) Do not heat the battery or solder the polarity. ( It may cause the reduction of life.)
(2) Do not measure the voltage or short with tester. (It may cause the fire.)
(3) Do not disassemble the battery.
4.5.3 Life of battery
Life of battery depends on the power failure time and ambient temperature etc..
If battery is getting low, main unit cause the warning, ‘battery voltage low warning’. The user can check it by
error LED, flag and error message of XG5000.
Since battery works properly for long time, after battery voltage low warning, so the user can take the action
after battery voltage low warning occurred.
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