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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 fiber-optic channel
are connected by BOFC ST-terminals. The unit is free of silicone and
halogen as well as flame-retardant.
4.1
Terminal Assignment
T1
R1
RS485-LWL-Converter
RS 485
X6
Fig. 2: Terminal Assignment
Page 18 of 28
7XV5650-0AA00
SERIES: A4-K7-655430
C E
5
5
24-250V DC
U H
60-230V AC
M1
U H
B
A
2
1
N/L-
L1/L+
X5
X7
X2
RS485-FO Converter 1-channel
T1: FO transmitter
R1: FO receiver
X2: Power supply
X5: RS485 terminals
X6: RS485 connector
9pin SubD plug
X7: Signalling contact
12.10.2006
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