Appendix A
ATCA-F140 Installation and Use (6806800M67H)
117
A
Replacing the Battery
A.1
Replacing the Battery
The battery provides data retention of seven years summing up all periods of actual data use.
Emerson therefore assumes that there is usually no need to replace the battery except, for
example, in case of long-term spare part handling.
Board/System Damage
Incorrect replacement of lithium batteries can result in a hazardous explosion.
Therefore, replace the battery as described in this chapter.
Data Loss
If the battery voltage drops below the minimum required level, the RTC time will be
lost.
Therefore, replace the battery before seven years of actual battery use have elapsed.
Data Loss
Replacing the battery will result in RTC data loss. The RTC will have to be re-initialized
after the battery is replaced.
Data Loss
Installing another battery type other than what is mounted at board delivery may cause
limited operation. This is because other battery types may be specified for other
environments or may have a shorter lifespan. Therefore, only use the same type of
lithium battery as is already installed.
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