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Electrical connection of the FCU
"Control" – Connecting the control port
Contact assignment (switched position when the FCU is ready for operation)
Relay 1
, programmable by
user
6
7
8
NC contact
NO contact
Base contact
Relay 2
, programmable by
user
13
14
15
NC contact
NO contact
Base contact
Relay 3
, Device ready
11
12
NC contact
NO contact
2A is the maximum load for the relay contacts. Maximum switching voltage:
24 V DC / 50 V AC, maximum switching power: 30 W / 50 VA.
Pin 1
24 V operating voltage (in battery operation 12 V),
maximum load capacity 200 mA
Pin 4
Ground (GND)
Pin 5
Battery switch-off
When pin 5 is connected to pin 4, the FCU is not supplied
by integrated batteries. This enables the FCU to be remote-
controlled-switched on and off via an external power supply.
The battery will however still be charged, if a power adapter
is connected.
FCU 8111 /-Aviation
en(us)
/
BEWA FCU8111 3690427a en-us 2017-01-23.doc
2017-01-23