Beckhoff CB3052 Manual do Utilizador descarregar pdf (Página 18)

Chapter: Connectors External CMOS Battery

page 18 Beckhoff New Automation Technology CB3052

3.4 External CMOS Battery

For keeping the internal clock alive even if the rest of the board is switched off, an external battery can be

attached via a 2 pin connector (JST B2B-EH-A, mating connector: EHR-2).

Name Description

1 BATT battery 3.3 volt

2 GND ground

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 77 78

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Beckhoff CB3052 Manual do Utilizador Página 18