Technical Specifications

FAQ

1. What is the main function of the Schneider ATV320U22S6C?
The Schneider Electric ATV320U22S6C is a compact variable-speed drive from the Altivar Machine ATV320 series. It is designed to control the speed, torque, acceleration and deceleration of compatible electric motors. With a 2.2 kW heavy-duty rating and a 525–600 V three-phase input, it is particularly suitable for industrial machines and motor-control applications requiring a higher-voltage power supply.

2. What power supply does the ATV320U22S6C require?
The ATV320U22S6C requires a three-phase AC supply rated from 525 to 600 V, with a supply frequency of 50–60 Hz. The specified supply range should be observed during installation. The incoming power circuit should be correctly protected and grounded, and the drive should be installed according to the applicable Schneider Electric wiring and installation requirements.

3. What types of motors can the ATV320U22S6C control?
The ATV320U22S6C is designed for compatible asynchronous and synchronous motors. For asynchronous motors, it supports several control profiles, including voltage/frequency control and sensorless flux vector control. Energy-saving control modes are also available for suitable applications. Accurate motor nameplate information should be entered during commissioning so that the drive can establish appropriate control parameters for the connected motor.

4. What communication protocols are supported by the ATV320U22S6C?
The drive provides Modbus serial and CANopen communication as standard interfaces. Additional communication options can be added through compatible modules. Depending on the selected communication module, the ATV320 platform can be integrated into networks such as PROFINET, EtherNet/IP, EtherCAT, PROFIBUS DP V1, Ethernet Powerlink and DeviceNet. Communication parameters must be configured to match the PLC, HMI or industrial control system.

5. Does the ATV320U22S6C have a built-in EMC filter?
The ATV320U22S6C is supplied without an integrated EMC filter. This should be considered when designing the electrical installation, particularly where electromagnetic compatibility requirements are strict. If additional EMC filtering is required, the appropriate external filter and installation method should be selected according to the drive application, motor cable arrangement and applicable EMC requirements.

6. What safety functions are available on the ATV320U22S6C?
The ATV320U22S6C supports safety-related functions such as Safe Torque Off (STO), Safe Stop 1 (SS1) and Safely Limited Speed (SLS), with additional functions available depending on the configuration. These functions can be integrated into machine safety systems when correctly wired and configured. The safety functions should be validated as part of the complete machine safety system rather than treated as ordinary drive-control commands.

7. How should an overcurrent fault on the ATV320U22S6C be diagnosed?
An overcurrent fault should first be investigated by checking the motor and mechanical load. A blocked motor, excessive load, incorrect motor parameters, unsuitable acceleration settings or a motor-cable fault can all contribute to excessive current. The motor nameplate settings should be checked, followed by inspection of the motor cable, terminals and insulation. If the fault occurs mainly during acceleration, the acceleration time and load inertia should also be evaluated.

8. How should the ATV320U22S6C be commissioned after installation?
Commissioning should begin with verification of the three-phase supply, grounding, motor connections, control wiring and safety circuits. The motor nameplate data should then be entered into the drive, followed by selection of the appropriate motor-control profile and adjustment of acceleration, deceleration and frequency limits. A controlled low-speed test should be performed first while monitoring motor current, rotation direction, output frequency and fault status. After basic operation is confirmed, communication, I/O and safety functions should be tested before the machine enters normal service.