Product Overview
The Schneider ATV320U55N4C is a compact variable speed drive from the Altivar Machine ATV320 series, designed for complex machine applications. This standard version drive delivers 5.5 kW for heavy duty, operates on a 380...500 V three-phase supply, and comes with an integrated EMC filter. It is wall mountable and provides IP20 degree of protection. Upgrading your system with the ATV320U55N4C offers advanced motor control and integrated safety functions, making it a reliable replacement for older drive models.
Technical Specifications
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Rated Supply Voltage [Us]: 380...500 V - 15...10 %
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Nominal Output Current: 14.3 A
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Motor Power: 5.5 kW for heavy duty
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EMC Filter: Integrated
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IP Degree of Protection: IP20
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Discrete Inputs: 7 (including STO safe torque off at 24 V DC)
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Discrete Outputs: 3 (open collector)
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Analogue Inputs: 3 (voltage, bipolar voltage, current)
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Analogue Outputs: 1 (software-configurable current/voltage)
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Relay Outputs: Configurable logic with up to 5 A switching
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Communication Protocols: Modbus serial, CANopen (option cards for EtherCAT, Profibus DP V1, PROFINET, etc.)
Industry Applications
The Schneider ATV320U55N4C is ideal for upgrading drives in packaging, material handling, and textile machinery. Its compact format and wall mount design simplify integration into existing cabinets. With support for multiple communication protocols, it seamlessly connects to modern control systems.
Installation & Setup Guidance
Mount the Schneider ATV320U55N4C vertically (+/- 10°). Ensure adequate cooling air flow (60 m³/h). Refer to the wiring diagram for proper connection of power, motor, and control signals. The drive accepts supply voltage 380...500 V AC, 50...60 Hz. Use the integrated EMC filter to meet compliance. Set the motor parameters via the RS485 port using Modbus or via the integrated CANopen interface.
Maintenance & Reliability
Regularly inspect the cooling fan and clean the heat sink to prevent overheating. The drive includes protection against input phase loss, overcurrent, earth faults, and thermal overload. Operate within -10 to 50 °C without derating (50-60 °C with derating). The IP20 enclosure requires installation in a clean, dry environment. Estimated lifecycle is enhanced by the integrated brake chopper and DC injection braking.
Compatibility & Integration
The ATV320U55N4C supports Modbus serial and CANopen as standard. Option cards allow integration with EtherCAT, Profibus DP V1, PROFINET, Ethernet Powerlink, EtherNet/IP, and DeviceNet. It can control asynchronous and synchronous motors using various control profiles including flux vector control without sensor. The drive also features adjustable PID regulator and 4-quadrant operation.
For a seamless upgrade, contact PLC Source PRO (formerly ubest101) to verify compatibility with your existing system and accessories.