2105824-001 rev. AA
| 21
D9
J12
1
3
J11
POWER
EARTH
T- T- T+ T+
-
+
To flow computer or
remote controller
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
®
terminal connection
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