Eaton EMR-4000 - Page 63

EMR-4000 IM02602009E
RS485 - Modbus
®
RTU
Make sure that the tightening torque is 2-4 In-lb [0.22-0.45 Nm].
Terminal Marking
Pin Assignment
The Modbus
®
connection cable must be shielded. The shielding has to be fixed
at the screw that is marked with the ground symbol at the rear side of the
device.
The communication is Half Duplex.
www.eaton.com 63
1
X103
2 3 4 5 6
B(+) A(-)
+5V GND
560
Ω
560
Ω
120 Ω
Protective Relay
HF Shield
64 5321
R1
R2
R1
+5V
GND
R1 = 560 Ω
R2 = 120 Ω
B(+) A(-)
Protective Relay
HF Shield