Siemens SIMATIC S5-115U User Manual page 599

Simatic s5 series cpu 941-7ub11 cpu 942-7ub11 cpu 943-7ub11 and cpu 943-7ub21 cpu 944-7ub11 and cpu 944-7ub21
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S5-115U Manual
Back-Up Battery
Technical Specifications
Lithium battery (3.4 V/5.2 Ah)
- back-up time (at 25 °C and
constant backup of
the CPU with memory
submodule)
- service life (at 25 °C)
- external battery backup
Types of Fuses
Wickmann 19231
Gould GAB4
Bussmann ABC4
EWA 4NEB 811 6130-02b
approx.
2 years
approx.
5 years
3.4 to 9 V
2.5 A FF
6ES5 980-3BC21
4 A FF
6ES5 980-3BC51
10 A FF
6ES5 980-3BC41
Technical Specifications
(6EW1 000-7AA)
15-69

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