Schneider Altivar Machine ATV320U04N4B Cabinet-Mount VSD

Overview
The ATV320U04N4B from Schneider is a compact variable speed drive from the Altivar Machine ATV320 series, designed for precision control of complex machines. Rated at 0.37 kW (0.5 HP), it supports 3-phase 380–500 V supply with integrated EMC Class C2 filtering and IP20 protection. Its cabinet-mount format, advanced motor control profiles, and multiple communication options make it suitable for versatile industrial applications.

Motor Control

• Quadrant Operation: 4-quadrant control for forward/reverse and braking

• Motor Profiles: Asynchronous V/f, flux vector without sensor, energy-saving modes; synchronous vector control without sensor

• Maximum Output Frequency: 599 Hz

• Acceleration/Deceleration: Linear, ramp-adaptive, with DC injection braking

• Switching Frequency: Adjustable 2–16 kHz (nominal 4 kHz)

• Brake Chopper: Integrated

Electrical Specifications

• Rated Supply Voltage: 380–500 V (–15…+10 %)

• Nominal Output Current: 1.5 A

• Line Current: 2.1 A @ 380 V, 1.6 A @ 500 V

• Apparent Power: 1.4 kVA @ 500 V

• Transient Overtorque: 170–200 % of nominal motor torque

Inputs & Outputs

• Discrete Inputs: 7 (STO, logic, and pulse inputs up to 30 kHz)

• Discrete Outputs: 3 (open collector, 0–1 kHz, 30 V DC, 100 mA)

• Analog Inputs: 3 (AI1 0–10 V, AI2 ±10 V, AI3 0–20 mA configurable)

• Analog Output: 1 (configurable 0–20 mA / 0–10 V)

• Relay Outputs: Configurable R1A/B/C, R2A/C up to 100,000 cycles

• Protection: Input phase loss, output overcurrent, overheating, short-circuit, thermal

Communication

• Protocols: Modbus, CANopen; optional cards for EtherCAT, PROFINET, Profibus DP V1, DeviceNet, Ethernet Powerlink, EtherNet/IP

• Ports: Modbus serial, CANopen

Mechanical & Environmental

• Dimensions (W×H×D): 45 × 325 × 245 mm

• Weight: 2.5 kg

• Mounting: Vertical ±10°

• IP Rating: IP20

• Operating Temperature: –10…50 °C (without derating), 50–60 °C (with derating)

• Storage Temperature: –25…70 °C

• Humidity: Class 3K5 (IEC 60721-3)

• Shock/Vibration: 150 m/s² (11 ms), 10 m/s² (13–200 Hz)

• Cooling Air Volume: 9.4 m³/h

• Overvoltage Category: III

• Regulation Loop: Adjustable PID

• Speed Accuracy: ±10 % of nominal slip

• Pollution Degree: 2

Applications

• Precision motor control for pumps, conveyors, fans, and machinery

• Energy-efficient speed regulation and torque adaptation

• Integration into Modbus or CANopen automation networks for industrial equipment

FAQ

Q1: What is the rated motor power of ATV320U04N4B?
A1: 0.37 kW (0.5 HP), suitable for small-to-medium complex machines.

Q2: Which communication protocols are supported?
A2: Modbus and CANopen; optional cards add EtherCAT, PROFINET, Profibus DP, DeviceNet, and Ethernet Powerlink.

Q3: Can it operate in hot environments?
A3: Yes, up to 50 °C without derating; 50–60 °C with current derating.

Q4: What is the maximum switching frequency?
A4: Adjustable from 2 to 16 kHz, nominal at 4 kHz.