Siemens S5-135U/155U appendix Submodules with Battery Backup

Models: S5-135U/155U

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CPUs, Memory Cards, Memory Submodules, Interface Submodules

Submodules with

Battery Backup

Current consumption (at 5 V)

Backup current

Backup voltage/

UCMOS

Submodule battery

Backup time

Access time tACC

140 mA max.

13mA typ.

2.7 V to 3.6 V

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

1 year min. at 25 oC

150 ns

System Manual

5-91

C79000-G8576-C199-06

Page 231
Image 231
Siemens S5-135U/155U appendix Submodules with Battery Backup, Current consumption at 5 Backup current Backup voltage