3-13
3 Specifications
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
3-1 Servo Drive Specifications
3
3-1-4 Main Circuit and Motor Connections
z Main Circuit Connector Specifications (CNA)
z Motor Connector Specifications (CNB)
z Control Circuit Connector Specifications (CNC)
z External Regeneration Resistor Connector Specifications (CND)
Precautions for Correct UsePrecautions for Correct Use
• Do not connect any External Regeneration Resistors between B1 and NC.
R88D-KN06F-ECT/-KN10F-ECT/-KN15F-ECT/-KN20F-ECT
Symbol Name Function
L1 Main circuit power
supply input
R88D-KNF-ECT
600 W to 1.5 kW: 3-phase: 380 to 480 VAC (323 to 528 VAC) 50/60 Hz
L2
L3
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
24 V Control circuit power
supply input
24 VDC ± 15%
0 V
Symbol Name Function
B1 External Regeneration
Resistor connection
terminals
Normally B2 and B3 are shorted. Do not short B1 and B2. Doing so may
result in malfunctioning.
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.
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