YASKAWA Varispeed-606PC3 Instruction Manual Page 30

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4. Wiring
29
emergency stop by using the external terminals.
Delayed response may cause injury or damage the
machine.
Wiring Instructions
1. Always connect the power supply for the main circuit inputs to the
power input terminals R/L1, S/L2, and T/L3 (R/L1, S/L2 for single-
phase power) via a molded-case circuit breaker (MCCB) or a fuse.
Never connect the power supply to terminals U/T1, V/T2, W/T3, B1,
B2, , +1, or +2. The Inverter may be damaged.
For 200 V single-phase Inverters, always use terminals R/L1 and S/
L2. Never connect terminal T/L3.
Refer to page 239 for recommended peripheral devices.
Use a UL class RK5 fuse. For single-phase, 200-V Inverters of
075 kW or less, a 3-phase, 200-V power supply can also be con-
nected.
Inverter Power Supply Connection Terminals
2. If the wiring distance between Inverter and motor is long, reduce the
Inverter carrier frequency. For details, refer to Reducing Motor
Noise or Leakage Current (n080) on page 151. Control wiring must
be less than 50 m (164 ft) in length and must be separated from
power wiring. Use shielded twisted-pair cable when inputting the
frequency signal externally.
3. For 400 V Class Inverters, always ground the supply neutral to con-
form to CE requirements.
4. Closed-loop connectors should be used when wiring to the main cir-
cuit terminals.
200-V 3-phase Input
Power Supply Speci-
fication Inverters
CIMR-V72
200-V Single Input
Power Supply Speci-
fication Inverters
CIMR-V7B
400-V 3-phase Input
Power Supply Speci-
fication Inverters
CIMR-V74
Connect to R/L1,
S/L2, and T/L3.
Connect to R/L1 and
S/L2.
Connect to R/L1,
S/L2, and T/L3.
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