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Establishing the CAN bus connection
RUN
STOP
RESET
Fig. 9
CAN bus shield
A
Plug
for controlling the heat generator (stand-
B
lA
ard delivery of the gateway)
Installation and service instructions for heat gen-
erator control unit
(cont.)
U6
SYS
RST
U5
RUN
U4
l/0
U3
MS
U2
NS
U1
BT
SD
24V
0V
+
+
‒
‒
S
S
‒
+
B
Installation sequence
A
17
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