Structure and function
'Fault' signal transfer relay
3
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Building Technologies
A6V10393194_d_en_--
Fire Safety
2018-11-05
3.1 'Fault' signal transfer relay
The power supply has two relays with changeover contact for the 'Fault' signal
transfer.
Contact Normal operation
Fault
MAINS
Relay is activated.
NC contact is open.
NO contact is closed.
Relay is deactivated.
NC contact is closed.
NO contact is open.
BATT
Relay is activated.
NC contact is open.
NO contact is closed.
Relay is deactivated.
NC contact is closed.
NO contact is open.