Omron OMNUC G Series User Manual page 118

3-1 Servo Drive Specifications
 R88D-GN75H-ML2
Main Circuit Terminal Block Specifications (TB1)
Symbol
L1
Main circuit power
L2
3
supply input
L3
B1 External
Regeneration
Resistor
B2
connection
terminals
U
V
Servomotor
connection
W
terminals
Frame ground
Main Circuit Terminal Block Specifications (TB2)
Symbol
NC
L1C
Control circuit
power supply input
L2C
Frame ground
NC
EX1
EX2
EX3
NC
FN(+)
Fan Stop Output
FN()
3-9
Name
R88D-GN75H-ML2 (6 to 7.5 kW): Three-phase 200 to 230 VAC (170 to 253 V),
6 to 7.5 kW: A regeneration resistor is not built in.
Connect an External Regeneration Resistor between B1 and B2,
if necessary.
Do not short B1 and B2. Doing so may cause malfunctions.
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  or less.
Name
--- Do not connect.
R88D-GN75H-ML2: Single-phase 200 to 230 VAC (170 to 253 V), 50/60 Hz
This is the ground terminal. Ground to 100  or less.
--- Do not connect.
Outputs a warning signal when the fan inside the Servo Drive stops.
(30 VDC, 50 mA max.)
Function
50/60 Hz
Function