101-0444 Rabbit Semiconductor, 101-0444 Datasheet - Page 170
101-0444
Manufacturer Part Number
101-0444
Description
CARD A/D 4-20MA SR9320 SMARTSTAR
Manufacturer
Rabbit Semiconductor
Datasheet
1.101-0437.pdf
(184 pages)
Specifications of 101-0444
Accessory Type
RabbitNet A/D Card
For Use With/related Products
SR9320
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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C.2.5 External Battery
A connection for an external backup battery is provided at header J8, shown in Figure C-4.
The header is wired to provide reverse polarity protection.
Figure C-4. External Backup Battery Connection
The external battery connection is useful if the SRAM and real-time clock data need to be
preserved while the backup battery is being changed. This way power can continue to be
applied to the CPU Card from the backplane (if the external backup battery is being
replaced) or from the external battery (if the onboard backup battery needs to be changed
since this requires removing the CPU Card from the backplane in order to access the
onboard backup battery).
170
Smart Star (SR9000)
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