Schneider ATV630D45N4
### **Introduction to Schneider ATV630D45N4 Variable Frequency Drive**
#### **1. Product Overview**
The **ATV630D45N4** is a high-performance variable frequency drive (VFD) from Schneider Electric’s **ATV600 series**, designed for industrial motor control and suitable for speed regulation of three-phase asynchronous motors.
- **Rated Power**: 45 kW
- **Rated Current**: 90 A
- **Input Voltage**: 380~480 V AC (3-phase)
- **Output Frequency Range**: 0.1~500 Hz
- **Protection Rating**: IP20 (requires installation in a control cabinet)
- **Control Modes**: V/F control, Sensorless Vector Control (SVC), Closed-loop Vector Control (optional encoder feedback)
#### **2. Key Features**
a) **High-Performance Motor Control**
- Supports **Sensorless Vector Control (SVC)**, providing high starting torque (150% rated torque @0.5Hz).
- Optional **Closed-loop Vector Control** (requires external encoder) for high-precision speed/torque control applications.
b) **Energy Saving & Smart Management**
- Built-in **energy-saving algorithm** to optimize motor efficiency and reduce power consumption.
- Supports **PID regulation**, ideal for pump, fan, and variable load applications.
c) **Rich Communication Interfaces**
- **Built-in Modbus RTU** (RS485)
- Optional fieldbus cards for **Ethernet/IP, Profibus DP, CANopen** (requires expansion modules).
d) **High-Reliability Design**
- Built-in **DC reactor** to reduce harmonic interference.
- Supports **braking units** (external braking resistor) for frequent start-stop or heavy-duty applications.
- **Overload Capacity**:
- 150% rated current for 60 seconds
- 180% rated current for 3 seconds
e) **User-Friendly Operation**
- **7-segment LED display** + **graphical control panel** (optional)
- **SD card parameter backup** for quick commissioning and maintenance.
#### **3. Typical Applications**
- **Industrial Pumps & Fans** (energy-saving control, PID regulation)
- **Conveyors & Material Handling** (smooth start-stop, multi-motor synchronization)
- **Machine Tools & Processing Equipment** (high-precision speed control)
- **Hoisting & Winding Equipment** (torque control, braking management)
#### **4. Installation & Wiring**
- **Mounting Method**: Wall-mounted (must be installed in a control cabinet with proper ventilation).
- **Cooling Method**: Fan-cooled (built-in cooling fan).
- **Terminals**:
- Power Input: L1/L2/L3 (3-phase 380~480V AC)
- Motor Output: U/V/W
- Control Terminals: Analog I/O, digital I/O, relay output, etc.
#### **5. Accessories**
- **Braking Resistor** (e.g., VW3A77502)
- **Communication Expansion Card** (e.g., VW3A3607 - Profibus DP)
- **Graphical Control Panel** (e.g., VW3A3316)
#### **6. Precautions**
**Overload Protection**: Set parameters according to motor rated current to avoid prolonged overload operation.
**Cooling Requirements**: Ambient temperature ≤50°C; ensure proper ventilation.
**EMC Compliance**: Recommended to install input reactors or filters to reduce electromagnetic interference.
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