Omron OMNUC G User Manual page 202

4-2 Wiring
R88D-GN20H-ML2/-GN30H-ML2/-GN50H-ML2
Main Circuit Terminal Block Specifications
Symbol
L1
Main circuit power
L2
supply input
L3
L1C
Control circuit
4
power supply input
L2C
B1 External
Regeneration
B2
Resistor
connection
B3
terminals
U
V
Servomotor
connection
W
terminals
Frame ground
4-21
Name
R88D-GN@H-ML2 (2 to 5 kW): Three-phase 200 to 230 VAC (170 to 253 V), 50/60Hz
R88D-GN@H-ML2 : Single-phase 200 to 230 VAC (170 to 253 V), 50/60 Hz
2 to 5 kW: Normally B2 and B3 are connected. If there is high regenerative energy,
remove the short-circuit bar between B2 and B3 and connect an External
Regeneration Resistor between B1 and B2.
Red
White
These are the output terminals to the Servomotor.
Blue
Be sure to wire them correctly.
Green/
Yellow
This is the ground terminal. Ground to 100 Ω or less.
Function