3-15
3-1 Servo Drive Specifications
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
3
Specifications
R88D-KT30F/R88D-KT50F
Main Circuit Terminal Block Specifications (TB1)
Main Circuit Terminal Block Specifications (TB2)
Precautions for Correct Use
Tighten the terminal block screws to the torque of 0.75 N•m (M4) or 1.5 N•m (M5).
If the torque for terminal block screws exceeds 1.2 N•m (M4) or 2.0 N•m (M5), the terminal block
may be damaged.
Tighten the fixing screw of the terminal block cover to the torque of 0.2 N•m (M3).
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).
Never connect an External Regeneration Resistor between the B1 and NC terminals.
Symbol Name Function
24 V Control circuit power
supply input
24 VDC ± 15%
0 V
Symbol Name Function
L1 Main circuit power supply
input
R88D-KT@F (3 to 5 kW):
3-phase 380 to 480 VAC (323 to 528 V) 50/60 Hz
L2
L3
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.
B3
B2
NC Do not connect.
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
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