Configuration Example; Safety - Fronius 250/30 DCD DF Operating Instructions Manual

String control
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Configuration ex-
ample
IN
OUT 1
(1)
(2)
(3)
(4)

Safety

(1)
IN
OUT
1
+12V
2
GND
3
Tx+
4
Rx+
5
Rx-
6
Tx-
7
GND
8
+12V
+12V
2
GND
3
Rx+
4
Tx+
5
Tx-
6
Rx-
7
GND
8
+12V
Inverter with Fronius Com Card
Fronius String Control
Fronius Datalogger
Termination plug
WARNING! An electric shock can be fatal. Danger from DC voltage in PV mod-
ules.
-
Make sure that both the input side and output side of the device are de-ener-
gised before attaching any connections.
-
All connections must be made by qualified electricians.
-
Note the safety rules in these operating instructions.
(2)
IN
OUT
IN
1
+12V
2
GND
3
Tx+
4
Rx+
5
Rx-
6
Tx-
7
GND
8
+12V
OUT 1
+12V
2
GND
3
Rx+
4
Tx+
5
Tx-
6
Rx-
7
GND
8
+12V
(3)
Line/ISDN
IN
OUT
(4)
IN
1
+12V
2
GND
3
Tx+
4
Rx+
5
Rx-
6
Tx-
7
GND
8
+12V
OUT 1
+12V
2
GND
3
Rx+
4
Tx+
5
Tx-
6
Rx-
7
GND
8
+12V
71

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