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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 RS232 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
N/L-
T4
R4
T5
R5
Mini-Starcoupler
7XV5450-0AA00
SERIES: A4-K7-655430
C E
5
5
24-250V DC
60-230V AC
RUN
SL
AVE
M
A
ST
ER
T3
R3
T2
R2
T1
R1
UH
UH
L1/L+
1
2
M1
X2
X7
Input
X1
Tx: FO transmitter
Rx: FO receiver
X2: Power supply
X7: Signalling contact
X1: RS232 connector
9pin SubD plug
Fig. 2: Terminal Assignment
Page 18 of 28
Mini-Starcoupler
19.10.2006