4-15
4-2 Wiring
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
  4
System Design
R88D-KN30H-ML2/-KN50H-ML2
Terminal Block Specifications
R88D-KN06F-ML2/-KN10F-ML2/-KN15F-ML2/-KN20F-ML2
Main Circuit Connector Specifications (CNA)
Motor Connector Specifications (CNB)
Symbol
Name Function
L1
Main circuit power supply 
input
R88D-KNxH-ML2 (3 to 5 kW): 3-phase 200 to 230 VAC (170 to 253 
V) 50/60 Hz
L2
L3
L1C
Control circuit power 
supply input
R88D-KNxH-ML2: Single-phase 200 to 230 VAC (170 to 253 V) 50/
60 Hz
L2C
B1
External Regeneration 
Resistor connection 
terminals
Normally B2 and B3 are connected. Do not short B1 and B2. Doing 
so may cause malfunctions. 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.
B2
B3
U
Motor connection 
terminals
Red These are the output terminals to the Servomotor.
Be sure to wire them correctly.
VWhite
WBlue
Green/
Yellow
Frame ground This is the ground terminal. Ground to 100  or less.
Symbol
Name Function
L1 Main circuit power supply 
input
R88D-KNxF-ML2
(600 W to 2 kW) : 3-phase: 380 to 480 VAC (323 to 528 V) 50/60 
Hz
L2
L3
Symbol
Name Function
U Motor connection 
terminals
Red These are the output terminals to the Servomotor.
Be sure to wire them correctly.
VWhite
WBlue
Green/
Yellow
Frame ground This is the ground terminal. Ground to 10  or less.