Inovance AC800 Series - Maintenance of the Battery

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8 Maintenance
AC800 Series Intelligent Machine Controller Hardware User Guide
No. Item Description Standard Measure
4
Real-time
clock battery
(button
battery)
Service life
No "battery voltage low"
alarm on the controller.
The design life of the battery at 25 ℃ is
5 years, and its service life is 0.75 to 5
years, which varies with the model and
ambient temperature. If this prede󶍾ned
period is exceeded, replace the battery
no matter if it can still work normally or
not. For the replacement method, see
section 4.4.
5 Cooling fan Service life
No "Fan is abnormal"
alarm on the controller.
The design life of the fan at 40 ℃ is
70,000 hours, and its service life varies
with the ambient temperature. If the
prede󶍾ned period is exceeded, replace
the fan no matter if it can still work
normally or not. For the replacement
method, see section 4.3.
Tool
■ Phillips head screwdriver
■ Multimeter or digital meter
■ Industrial alcohol and cotton cloth
■ Pliers
Measuring instruments required for di󶍽erent occasions
■ Oscilloscope
■ Thermometer, humidity meter
8.2 Maintenance of the Battery
Purpose of the battery
A battery is required for the RTC timing of the clock in the controller and for keeping the CMOS data when
the power is o󶍽. If the battery is not installed or the battery is bing discharged, the clock will stop timing,
and the CMOS data will be lost when the power is o󶍽.
Battery life and replacement interval
The actual life of the battery is related to the application scenario of the controller. The curve below shows
the longest life and is for reference only.
When the controller prompts that the battery is abnormal, replace the battery in time to ensure that the
clock function of the controller is normal.