4-17
4 System Design
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
4-2 Wiring
4
4-2-2 Main Circuit and Linear Motor Connections
Terminal Block Specifications
*1 Do not short B1 and B2. Doing so may result in malfunctioning.
Precautions for Correct UsePrecautions for Correct Use
• Tighten the frame ground screw to a torque of 1.4 to 1.6 N·m (M5).
• Tighten the terminal block screws to a torque of 1.0 to 1.7 N·m (M5). Exceeding the maximum
allowable torque for terminal block screws may cause damage to the terminal block.
• Tighten the fixing screw of the terminal block cover to a torque of 0.19 to 0.21 N·m (M3).
• If you are connecting an External Regeneration Resistor, set the Regeneration Resistor
Selection servo parameter object (3016 hex).
• Do not connect any External Regeneration Resistors between B1 and NC.
R88D-KN30H-ECT-L/-KN50H-ECT-L
Symbol Name Function
L1 Main circuit power supply
input
3-phase 200 to 230 VAC (170 to 253 VAC) 50/60 Hz
L2
L3
L1C Control circuit power
supply input
Single-phase 200 to 230 VAC (170 to 253 VAC) 50/60 Hz
L2C
B1 External Regeneration
Resistor connection
terminals
*1
Normally short B2 and B3. 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 Linear Motor.
Be sure to wire them correctly.
V Phase V
W
Phase W
Frame ground This is the ground terminal. Ground to 100 or less.
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