Design and Protection of Constant Torque Application for Atlas Copco Neos Inverter

The startup capability can start with a back pressure of 13 bar

Protection level IP5X (power electronics)

Working temperature -20 ° C~+50 ° C at full power; Maximum 60 ° C derating operation

Humidity<95% relative humidity (no condensation)

3.2 Certification and Standards

Neos complies with the following instructions:

Machinery Directive 2006/42/EC;

EMC compatibility 2004/108/EC;

Low Voltage Directive 2006/95/EC;

Electrical cabinet and motor certification: IEC or UL/cUL.

Motor control supports asynchronous motors, and communication is achieved through the Elektronikon controller via the CAN bus. The debugging tool is Speci5 (Neos browser), designed specifically for quick on-site configuration.

Sustainability and Ethical Manufacturing

The "less is more" principle in Neos design not only improves performance, but also reduces the environmental burden at the end of the lifecycle. Atlas Copco takes long-term sustainability as one of the core focuses in all development. In addition, the company promises not to purchase minerals from conflict areas and has been rated as one of the world's most ethical businesses by the Ethisphere Institute as a result. These concepts are fully reflected in the design and manufacturing of Neos.

Comparison of key differences with traditional general-purpose frequency converters

Comparison item: Neos universal frequency converter

Target application: Fan/pump/compressor (versatile), limited to constant torque air compressors only

The protection level is usually IP20~IP54 (additional cabinet required). IP5X integrated aluminum shell does not require an external cabinet

Environmental temperature capacity: rated at 40 ℃, rated at 50 ℃, rated at 50 ℃, rated at full power, rated at 60 ℃

Software complexity with hundreds of simplified parameters, fast configuration

Multiple communication methods, fieldbus options CAN to Elektronikon, standard configuration

Redundant components with a large number of unused I/O and no redundant options, compact design

The lifecycle of spare parts is affected by the discontinuation of general products and is controlled by Atlas Copco throughout the entire lifecycle

Application and selection suggestions

6.1 Applicable Scenarios

GA series oil injection screw compressor VSD modification;

Z series oil-free compressor VSD matching;

Pressure/flow regulation scenarios that require frequent start stop and variable load operation;

Industrial sites with high environmental temperature, large dust, and high humidity (such as metallurgy, mining, textile, and chemical plants).

6.2 Selection precautions

Confirm that the power supply voltage is within the range of 380-460V ± 10%, otherwise a transformer needs to be installed;

Confirm that the motor type is asynchronous motor;

The back pressure starting capacity can reach 13 bar, meeting the direct load starting requirements of most compressors;

If you need higher protection or special installation requirements, you can consult your local sales representative.

6.3 Maintenance points

Regularly check the cleanliness of the radiator to ensure continuous operation at 50 ℃;

Monitor the output current through Elektronikon to ensure that it remains within the rated range of 80% to 90% for a long time, which is a normal operating condition;

Use Speci5 tool for parameter backup and recovery to avoid manual recording errors;

When a malfunction occurs, prioritize checking CAN communication and power supply voltage stability.