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3-9
3-1 Driver Specifications
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
3
Specifications
R88D-KT20H
Main Circuit Connector Specifications (CNA)
Motor Connector Specifications (CNB)
Motor Connector Specifications (CNC)
Precautions for Correct Use
Tighten the ground screws to the torque of 0.7 to 0.8 N•m (M4) or 1.4 to 1.6 N•m (M5).
Symb
ol
Name
Function
L1
Main circuit power supply
input
R88D-KTxH (2 kW) :
3-phase: 200 to 230 VAC (170 to 253 V) 50/60 Hz
Note. Single-phase should connect to L1 or L3.
L2
L3
L1C
Control circuit power
supply input
R88D-KTxH : Single-phase 200 to 230 VAC (170 to 253 V) 50/60
Hz
L2C
Symb
ol
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
Symb
ol
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.