4
Description of the Functional Unit
The housed signal converter is a hard-wired and tested functional unit.
It is provided with a snap-on mounting device for a 35 mm
DIN EN 50022 rail and with screw-type terminals for safe connection of
the auxiliary power supply. The RS485 interface is connected either to
screw-type terminals or to the 9-pin SubD socket. The two fiber-optic
channels are connected by BOFC ST-terminals. The unit is free of
silicone and halogen as well as flame-retardant.
4.1 Terminal
Assignment
N/L-
RS 485
RS485-LWL-Converter
7XV5651-0AA00
SERIES: A4-K7-655430
C E
5
5
24-250V DC
60-230V AC
RUN
T1
R1
UH
UH
L1/L+
1
2
M1
A
B
RCV
1
X6
X2
X7
X5
R2
T2
Tx: FO transmitter
Rx: FO receiver
X2: Power supply
X5: RS485 terminals
X6: RS485 connector
9pin SubD plug
X7: Signalling contact
Fig. 2: Terminal Assignment
Page 18 of 28
RS485-FO Converter 2-channel
12.10.2006
Summary of Contents for 7XV5651-0 A00 Series
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