6
ELECTRICAL INSTALLATION
44
Figure 6�12
Orange connector for CAN-BUS connection to CCI/DDC (supplied with CCI/DDC).
The DDC is equipped with jumpers that must be moved in order to take on the configurations of
terminal node
and
interme-
diate node
(Figure 6.14
→
45). The DDC is supplied with the jumpers CLOSED (detail "A" Figure 6.14
→
45).
Figure 6�13 – Connection from CAN BUS to connector P8
Connection detail of cable CAN BUS.
LEGEND
A
Insulating tape to protect board/shield
B
CAN BUS cable wires
C
CAN bus cable shield
D
terminal and screw for fixing
To connect a CAN BUS cable to a DDC, proceed as follows (references in Figure 6.14
→
45):
You will need: DDC not powered up. Necessary equipment and materials.
1.
Depending on the type of node being configured, set the DDC's jumpers as shown in detail "A" or detail "B" in the figure. If
necessary, open the DDC’s back panel (4 bolts); after the jumpers have been correctly positioned, close the cover again and
retighten the 4 bolts;
▶
if the DDC is an intermediate node on the network (with no. 6 wires in the orange connector): set the jumpers as shown in detail
"B" of the figure: Jumpers OPEN;
▶
if the DDC is a terminal node on the network (with no. 3 wires in the orange connector): set the jumpers as shown in detail "A"
of the figure: Jumpers CLOSED.