VAC5-D45A
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The VAC5-D45A spindle drive features a rated current of 45A and operates at an AC voltage of 400V. Manufactured by Okuma, it belongs to the VAC Spindle Drives series with a utilization category of AC-3 and protection rated at IP20. This model supports both DIN rail and screw mounting.
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Product Description:
The VAC5-D45A is a Spindle drive by Okuma designed for industrial automation control systems. This spindle drive runs on a 200V class power supply. It supports a 3-phase system. The drive accepts input voltages from 180V to 220V AC. The operational frequency of the drive is 50/60 Hz. A built-in 200A main circuit breaker provides primary circuit protection to the drive.
The VAC5-D45A spindle drive delivers a variable output voltage up to the input level. It is rated at approximately 45 kVA capacity. The drive includes a 5A fuse for motor safety and a 0.5A fuse for the control circuit. The power connections are made through N1 and P1 input terminals. The U, V, and W terminals, however, provide the spindle motor output. Spindle drive is designed with a variety of control and interface options to be used to enable integration. It has terminals dedicated to MRDY, alarm signals, and motor winding control. Resolver and encoder ports of VAC5-D45A spindle allow precise motor feedback input. The external cooling is supported by a fan connector in case it is needed. The drive handles both analog and optical communication interfaces. Parameter setup can be customized using onboard configuration switches.
The VAC5-D45A spindle includes multiple safety and mechanical features. It offers overcurrent and short-circuit protection of the system. The thermal monitoring prevents motor overload and detects high operating temperatures. The unit provides detection of overvoltage and undervoltage on power input lines. Diagnostic is built-in to check the resolver, encoder, IGBTs, and the fan status. The drive is enclosed in a shielded metal chassis for safety and durability. It is designed for panel-type mounting using screw points on the housing. It has two internal fans to handle cooling with dust-filtered airflow channels.
Frequently Asked Questions about VAC5-D45A:
Q: How does thermal monitoring work in VAC5-D45A?
A: The VAC5-D45A spindle drive monitors internal temperatures via sensors and auto throttles output. This safeguards IGBTs and motor during overheating.
Q: Why built-in 200A breaker in VAC5-D45A?
A: The VAC5-D45A spindle drive’s 200A breaker protects against electrical faults at source. It isolates shorts before damaging internal circuitry.
Q: What is the purpose of 0.5A control fuse?
A: The VAC5-D45A drive’s 0.5A fuse protects control board circuitry. It prevents low-level voltage surges from damaging logic components.
Q: Why support both analog and optical interfaces?
A: VAC5-D45A spindle drive supports analog and optical to ensure reliable signal transfer across long cable runs and noise-prone environments.
Q: How do dual internal fans benefit VAC5-D45A?
A: Vacuum5-D45A dual fans in the drive ensure consistent airflow lower junction temperatures and prolong IGBT lifespan under heavy loads.
