FCU 8000 series
Electrical connection of the FCU
HYDAC FILTER SYSTEMS GMBH
en(us)
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BEWA FCU8000 3109776d en-us 2011-06-10.doc
2011-06-10
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
1 2
4
8
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
+5V
Supply, bus termination
1 2
4
8
9
11
15
The pin assignment corresponds to DIN 66348 (DIN measurement bus)