Electrical connection of the FCU
Relay Functions
The following tables show the switched position of the relays in the various
operating modes in keeping with the operating condition or measurement
result.
Relay 1
Relay 2
6
7
8
6
7
8
13
14
15
13
14
15
M1
Measuremen
t currently in
progress
Measurement
stopped
After the first
measured
value is
available:
Flow error
Flow rate
within set
range
M2
Exceed
Measured
value ≥
upper limit
After switch-
on or start of
a
measurement.
Goes out
again when
measured
value ≤ lower
limit
Measured
value ≥ upper
limit
After switch-
on or start of
a
measurement
.
Goes out
again when
measured
value ≤ lower
limit
Fall below
≤ lower limit After switch-
on or start of
a
measurement.
Goes out
again when
measured
value ≥ upper
limit
≤ lower limit
After switch-
on or start of
a
measurement
.
Goes out
again when
measured
value ≥ upper
limit
FCU 8111 /-Aviation
en(us)
/
BEWA FCU8111 3690427a en-us 2017-01-23.doc
2017-01-23
