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4 System Design
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
4-2 Wiring
4
4-2-3 Main Circuit and Motor Connections
z Terminal Block Specifications, Top Terminal Block (TB1)
z Terminal Block Specifications, Bottom Terminal Block (TB2)
Precautions for Correct UsePrecautions for Correct Use
• Do not connect any External Regeneration Resistors between B1 and NC.
R88D-KN150F-ECT
Symbol Name Function
24 V Control circuit power
supply input
24 VDC ±15%
0 V
DB1 Dynamic Brake Resistor
control terminals
These terminals are used to control the MC for externally connected
dynamic brake resistance. The output contact specifications are 1 A max.
at 300 VAC/100 VDC max.
Connect them if required.
DB2
Symbol Name Function
L1 Main circuit power supply
input
R88D-KNF-ECT (15 kW):
3-phase 380 to 480 VAC (323 to 528 VAC) 50/60 Hz
L2
L3
B1 External Regeneration
Resistor connection
terminals
Connect an External Regeneration Resistor between B1 and B2.
B2
NC Do not connect.
U Motor connection
terminals
Red These are the output terminals to the Servomotor.
Be sure to wire them correctly.
VWhite
WBlue
Green/
Ye l l o w
Frame ground This is the ground terminal. Ground to 10 Ω or less.
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