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Electrical connection of the FCU
Connecting the "PC" interface
You can communicate with a PC via this interface. This interface is designed
in the standard version as RS232 and optionally as RS485.
Serial RS 232 Interface (Standard)
Pin
Signal function
1
-
screen
2
TXD
Transmission line
4
RXD
Receiving line
8
GND
Ground
A corresponding cable for connecting the FCU to a PC is included in the
scope of delivery.
Serial RS 485 Interface (OPTIONAL)
Pin
Signal function
1
-
screen
2
T- (TA)
Transmission data
4
R- (RA)
Received data
8
GND
Ground
9
T+ (TB)
Transmission data
11
R+ (RB)
Received data
15
+5 V
Supply, bus termination
The pin assignment corresponds to DIN 66348 (DIN measurement bus)
FCU 8111 /-Aviation
en(us)
/
BEWA FCU8111 3690427a en-us 2017-01-23.doc
2017-01-23