Siemens Synova FC330A Manual page 50

2.25 Connecting RS232/LON converter card K3I080
D required to provide the LON-bus application on the serial ports
D needs 5V power supply
mounting see page 23....27
connection cable to K3X030 connector K11
connection cable to K3X020 connector K11/12
K3I080
Pluggable terminal block
F1
Supply
not used
RS232
Pluggable terminal block
LON-bus
46
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connection cable to K3X020/030
connector MP1/MP2
ST1
0,4AF
+5V 1
2
GND
grey
3
white
4
CTS2
yellow
RXD2
5
brown
RTS2 6
green
TXD2 7
ST3
1
R23
100Ω 2
Resistor R23
S
end-of-line resistor 100Ω
S
to be replaced by a 50Ω resistor if
LON-bus is used as 'free topology'
(see docu e1907)
LED H1
S lit = FAULT
Switch S1
S not used
K3X020/030
brown
(0V)
blue
(+5V)
5
9
RS232
K11/12
1 6
to external LON devices
6 Pan-head screws
6 washers
MP1
MP2
LON-bus
1583_o_en_−−_2
08.2005