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9.10 SYSTEM MANAGER - CONNECTION TO BOILER VIA MODBUS RS-485 ELECTRONIC BOARD.
T
x
R /
J5
input voltage:
max power:8VA/6W
J1
A3
44
41
OT
RS485
GND A
x
G
N
D
T
x
R /
x
G
N
X
J6
J7
J8 ISOLATED J9
J2
Key:
A13 - System manager
A18 - Modbus interface board
A3 - Boiler P.C.B. (generic)
A18
B
Modbus connection AWG 20/22 type
Collegamento Modbus
shielded cable
cavo schermato tipo AWG 20/22
J10
A13
J3
68 68
9-10
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