Eaton EMR-3MP0 - Page 95

B(+)
B(+)*
A(-)
A(-)*
E_F57
64 5321
R1
R2
R1
+5V
GND
R1 = 560Ω
Protective Relay
HF Shield
R2 = 120Ω
Fig. 28: Modbus® RTU – Wiring Example: Device in the Middle of the Bus
B(+)
A(-)
E_F58
64 5321
R1
R2
R1
+5V
GND
R1 = 560Ω
Protective Relay
R2 = 120Ω
Fig. 29: Modbus® RTU – Wiring Example: Device at the End of the BUS (Using the Integrated
Terminal Resistor)
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2 Hardware
2.2 EMR-3MP0 – Installation and Wiring