Schneider ATV340U55N4E Variable-Speed Drive
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Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Product Type | Variable-Speed Drive |
| Model | ATV340U55N4E |
| Product Range | Altivar Machine ATV340 |
| Application | Machine speed control |
| Rated Motor Power | 5.5 kW Heavy Duty / 7.5 kW Normal Duty |
| Motor Power | 7 hp Heavy Duty / 10 hp Normal Duty |
| Supply Voltage | 380–480 V AC, 3-phase |
| Supply Frequency | 50–60 Hz ±5% |
| Nominal Output Current | 12.7 A |
| Maximum Output Current | 16.5 A |
| Compatible Motor Type | Synchronous / Asynchronous Motors |
| Control Type | Variable Frequency / Variable-Speed Drive |
| Communication Protocols | EtherNet/IP, Modbus TCP, Modbus Serial |
| EMC Filter | Integrated Class C3 EMC Filter |
| Digital Inputs | 5, programmable, 24 V DC |
| Digital Outputs | 2, programmable, 30 V DC, 100 mA |
| Analog Inputs | 2, 12-bit resolution |
| Analog Output | 1, configurable 0–10 V DC or 0–20 mA |
| Relay Outputs | 2 |
| Pulse Input | 0–30 kHz |
| Safety Function | Safe Torque Off (STO) |
| Protection Rating | IP20 |
| Mounting | Cabinet Mount |
| Variant | Standard Version |
| Cooling | Forced Air Cooling |
| Dimensions | 110 × 270 × 234 mm |
| Weight | 2.9 kg |
FAQ
1. What is the Schneider Electric ATV340U55N4E used for?
The ATV340U55N4E is a variable-speed drive from the Altivar Machine ATV340 family, designed for controlling the speed and torque of three-phase motors in machine automation applications. It supports both synchronous and asynchronous motors and provides precise motor control for applications where controlled acceleration, deceleration, speed regulation, and torque management are required.
2. What motor power is supported by the ATV340U55N4E?
The ATV340U55N4E is rated for 5.5 kW in Heavy Duty applications and 7.5 kW in Normal Duty applications. The corresponding motor ratings are approximately 7 hp for Heavy Duty and 10 hp for Normal Duty. The correct duty rating should be selected according to the actual load profile, overload requirements, and operating cycle of the machine.
3. What input power supply does the ATV340U55N4E require?
The drive is designed for a three-phase 380–480 V AC supply with a frequency of 50–60 Hz ±5%. The installation should provide an appropriate upstream disconnect, short-circuit protection, grounding, and wiring arrangement in accordance with the drive installation requirements and applicable electrical standards.
4. Which communication protocols are supported by the ATV340U55N4E?
The ATV340U55N4E provides embedded communication support for EtherNet/IP, Modbus TCP, and Modbus Serial. These interfaces allow the drive to exchange control commands, status information, operating values, alarms, and diagnostic data with PLCs, HMIs, and other automation equipment.
5. What types of feedback and control signals can be connected to the ATV340U55N4E?
The drive provides multiple configurable I/O points, including five digital inputs, two digital outputs, two analog inputs, one analog output, and two relay outputs. The analog inputs support voltage and current signals, while the analog output can be configured for 0–10 V DC or 0–20 mA depending on the application and parameter settings.
6. Does the ATV340U55N4E include Safe Torque Off?
Yes. The ATV340U55N4E includes Safe Torque Off (STO) functionality. STO can be integrated into a machine safety circuit to remove motor-generating torque without necessarily removing the drive’s incoming power. The safety function must be wired and validated correctly as part of the complete machine safety design.
7. What are common causes of an ATV340U55N4E overcurrent or overload fault?
Overcurrent or overload faults can result from excessive mechanical load, acceleration or deceleration settings that are too aggressive, incorrect motor parameters, motor cable problems, phase-to-phase faults, or a motor that is not correctly matched to the drive. Troubleshooting should start by checking the motor nameplate parameters and drive configuration, followed by inspection of the motor, power wiring, mechanical load, and acceleration/deceleration profile.
8. How should the ATV340U55N4E be commissioned after installation?
Commissioning should begin with verification of the incoming three-phase supply, grounding, motor wiring, control wiring, and STO circuit. Enter the motor nameplate information into the drive, select the appropriate motor control mode, configure acceleration and deceleration times, and set required current, speed, and protection parameters. Before connecting the machine to production operation, perform a controlled test run at low speed and verify motor direction, current, communication status, I/O operation, and fault protection.
Schneider ATV340U55N4E Variable-Speed Drive is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
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