
23
EN
• Pass the DC interface cables
(18)
into the same dedicated
opening used for the AFD interface cables.
• Close the power module cover
(50)
and open the wiring box
cover
(07)
.
• Remove the cable sheathing from the DC interface cables
(18)
and the cable duct
(54)
from the DC surge arrester plate
(21)
.
• Connect the two AFD interface cables to the related ARC fault
connectors
(19)
located in the DC surge arrester plate.
• Connect all DC interface cables
(18)
to the related DC inter-
face connection point connectors located in the DC surge ar-
rester plate
(21)
.
The two cable groups are marked with a identification label
“B1” and “B2” that correspond to the DSP board number label
(“B1” and “B2”).
Each single cable DC is marked with a label corresponding to
related DC interface faston connectors on the DSP boards
(E.g. “TB1”, “TB3”...).
Polarity inversion can cause serious damage.
Check polarity before connecting each cable!
Always check correspondence of cables and bo-
ard faston connectors identification!
B1
B2
B2
B1
B2
B1
B1
B2
B1
B2
+
+
_
_
TB3
TB7
TB5
TB1
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