Design Guide | iC7 Series Liquid-cooled System Modules
9.4 Replacing the RTC Battery
The real-time clock (RTC) battery can be used to provide a reliable power source for the RTC. If power is lost in the control unit, the RTC
battery keeps the internal real time. The time is used for scheduled activities and timestamping occurrences based on application needs.
The RTC battery is optional and comes preinstalled if the option is selected.
CAUTION
RISK OF FIRE AND EXPLOSION
l Replace the battery with Panasonic BR1632A (3 V, 125 °C) coin-cell battery only. Using another battery may present a risk of
fire or explosion. Only qualified personnel can exchange the battery.
l For detailed safety information, refer to the documentation provided with the battery.
CAUTION
RISK OF FIRE OR EXPLOSION
l Do not recharge, disassemble, or dispose of in fire.
1. Locate the RTC battery holder on the control board of the control unit.
2. Pull from the handle next to the text RTC BAT.
Figure 114: Location of the RTC Battery
1 The handle
Ü
The battery holder slides out.
3. To remove the battery, push it on the tooth side and slide it out of the plastic holder.
Figure 115: Replacing the Battery
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