Omron R88D-GT series User Manual page 258

4-2 Wiring
 R88D-GT75H
Main Circuit Terminal Block Specifications (TB1)
Symbol
L1
Main circuit power
L2
supply input
L3
B1 External
Regeneration
Resistor connection
B2
terminals
4
U
V
Servomotor
W
connection 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(−)
4-23
Name
R88D-GT75H (6 to 7.5 kW):
6 kW, 7.5 kW: A regeneration resistor is not built in.
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.
Name
--- Do not connect.
R88D-GT75H: Single-phase 200 to 230 VAC (170 to 253 V), 50/60Hz
This is the ground terminal. Ground to 100 Ω or less.
--- Do not connect.
Outputs a warning signal when the fan inside the Servo Drive stops.
(30 VDC, 50 mA max).
Function
Three-phase 200 to 230 VAC (170 to 253 V),
50/60Hz
Connect an External Regeneration Resistor between B1 and B2,
if necessary. Do not short B1 and B2. Doing so may cause mal-
functions.
Function