Eaton EMR-3MP0 User Manual

2.2.11.1 RS485 - Modbus® RTU
WARNING!
Ensure the correct tightening torques.
HPT_Z55
0.3 Nm
2.65 lb⋅in
0.23 Nm
2.03 lb⋅in
1
X103
2 3
4
5 6
B(+)
A(-)
+5V
GND
560Ω 560Ω
120Ω
Protective Relay
HF Shield
E_F55
Fig. 26: Modbus® RTU – Terminal Marking
E_F56
64 5321
R1
R2
R1
+5V
GND
R1 = 560Ω
B(+)
A(-)
Protective Relay
HF Shield
R2 = 120Ω
Fig. 27: Modbus® RTU – Pin Assignment
NOTICE!
The Modbus® connection cable must be shielded. The shielding has to be
󰊎xed at the
screw that is marked with the ground symbol at the rear side of the device.
The communication is Half-Duplex.
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2 Hardware
2.2 EMR-3MP0 – Installation and Wiring

Eaton EMR-3MP0 Specifications

General

Brand	Eaton
Model	EMR-3MP0
Category	Relays
Language	English