Eaton EDR 3000 Installation, Operation And Maintenance Manual page 68

RS485 - Modbus RTU
®
Terminal Marking
Pin Assignment
Make sure that the tightening torque is 2-4 In-lb [0.22-0.45 Nm].
Protective Relay
Protective Relay
R1 = 560 Ω
R2 = 120 Ω
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.
EDR-3000
+5V GND
120Ω
+5V
GND
R1
R1
R2
1 2 3 4 5 6
www.eaton.com
IM02602003E
56