3-9
3-1 Servo Drive Specifications
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
3
Specifications
R88D-KN20H-ML2
Main Circuit Connector Specifications (CNA)
Motor Connector Specifications (CNB)
External Regeneration Resistor Connector Specifications (CNC)
Precautions for Correct Use
Tighten the ground screws with the torque of 0.7 to 0.8 N•m (M4) or 1.4 to 1.6 N•m (M5).
Symbol
Name Function
L1 Main circuit power supply
input
R88D-KNxH-ML2 (2 kW) :
3-phase: 200 to 230 VAC (170 to 253 V) 50/60 Hz
Note. Single-phase should connect to L1 and L3.
L2
L3
L1C Control circuit power
supply input
R88D-KNx-ML2 : Single-phase 200 to 230 VAC (170 to 253 V) 50/
60 Hz
L2C
Symbol
Name Function
U Motor connection
terminals
Phase U These are the output terminals to the Servomotor.
Be sure to wire them correctly.
V Phase V
W Phase W
Symbol
Name Function
B1 External Regeneration
Resistor connection
terminals
Normally B2 and B3 are short-circuited.
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
NC Do not connect.
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