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Siemens S5-135U/155U User Manual

Page 231

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5-91

System Manual
C79000-G8576-C199-06

Current consumption
(at 5 V)

140 mA max.

Backup current

13

mA typ.

Backup voltage/
UCMOS

2.7 V to 3.6 V

Submodule battery

Lithium button cell 3 V/200 mAh Type CR 2430
(LF-1/2W) from VARTA

Backup time

1 year min. at 25

o

C

Access time t

ACC

150 ns

Submodules with
Battery Backup

CPUs, Memory Cards, Memory Submodules, Interface Submodules