Version: 1.06 128
Battery and MultiMedia card implementation:
18.3.1. Lithium Battery
The CPU is equipped with a Lithium battery (3 V).
This battery is used to maintain the clock and datalogging when the CPU is out of power.
This battery is in use when:
- the CPU is placed on a Rack
- the CPU has been powered once
- the CPU is out of power
When the CPU is removed from the Rack, the battery is disconnected, to avoid
consuming when the CPU is in stock.
The battery jumper allows keeping the battery connected even when removed from the
rack (see in above specification the life time of the battery).
Advised procedures:
1. Standard : the jumper is left opened.
On this way, the battery is used when the CPU is placed on the rack to maintain clock
and datalogging when the main power has broken down.
2. Permanent : you systematically place the jumper, before you start using the CPU.
On this way, the battery is used when the CPU has been powered at least once, to
maintain clock and datalogging when the main power has broken down, but also when
the CPU is removed from the rack (check the life time of the battery in the technical
specifications)
Lithium
batter
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