4-22
4-2 Wiring
4
System Design
R88D-GT20H/-GT30H/-GT50H
Main Circuit Terminal Block Specifications
Symbol Name Function
L1
Main circuit power
supply input
R88D-GT@H (2 to 5 kW): Three-phase 200 to 230 VAC (170 to 253 V), 50/60HzL2
L3
L1C
Control circuit power
supply input
R88D-GT@H: Single-phase 200 to 230 VAC (170 to 253 V), 50/60 Hz
L2C
B1 External
Regeneration
Resistor connection
terminals
2 to 5 kW: 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 Re-
generation Resistor between B1 and B2.
B2
B3
U
Servomotor
connection terminals
Red
These are the output terminals to the Servomotor.
Be sure to wire them correctly.
VWhite
WBlue
Green/
Yellow
Frame ground This is the ground terminal. Ground to 100 Ω or less.
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