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Figure 15: Wiring for communication: new board as the only sensor
b.
If the unit is connected to a multiple-unit RS485 bus, wire as shown in
Figure 16, Figure 17 (page 22) or Figure 18 (page 22).
IMPORTANT NOTE: Review the Phoenix Contact
specifications for acceptable wire gauge and type when connecting
multiple wires to a single contact point. There are limits defined for the
wire conductors cross section area based on whether stranded or solid
wires are used.
Figure 16: RS485 bus connections for same board types
To flow computer or
remote controller
J11
T- T- T+ T+
1
EARTH
3
J12
-
+
POWER
D9
®
terminal connection
2105824-001 rev. AA | 21
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