Supply of SND500 Full Series High-Performance Vector Inverter Universal Inverter

The SND500 series inverter utilizes high-performance current vector technology to easily drive induction motors, meeting operational requirements in various environments. While maintaining excellent performance and functionality, it has significantly improved in terms of high reliability, ease of use, maintainability, environmental friendliness, installation space, and design standards from the customer application perspective.

The SND500 series inverter has made notable improvements in the following aspects:

1. Extensive motor type support: Supports three-phase AC asynchronous motors and three-phase AC permanent magnet synchronous motors.

2. Rich control methods: Includes speed sensor vector control (FVC), speed sensorless vector control (SVC), V/F control, and V/F separation control.

3. Supports the Modbus-RTU fieldbus.

4. A new speed sensorless vector control algorithm provides better low-speed stability, stronger low-frequency torque, and supports SVC torque control.

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High Reliability

Long-life design

Key components and PCB board temperature rise are comprehensively monitored, with optimized configuration, long design life, and large-redundancy thermal design.

High margin derating design

Utilizes Infineon's fourth-generation IGBT modules, combined with their 175°C maximum junction temperature characteristics and innovative PWM modulation methods to further reduce switching losses.

Automatic conformal coating process

Features a dedicated automatic conformal coating line equipment that can design different spraying strategies based on different circuit boards, ensuring uniform coating thickness and batch consistency.

Independent air duct

Independent air duct design effectively prevents dust from entering the inverter, avoiding short circuits and other faults, thereby improving reliability. Long-life, high-airflow cooling fans are selected to effectively reduce the inverter's temperature rise, ensuring reliable and stable operation.

Reliable thermal design

Uses computer thermal simulation methods to analyze temperature at various monitoring points. Through wind speed and temperature field diagrams, the maximum internal temperature rise is estimated, providing quantitative basis for the product's rational structure.

Complies with CE certification

The product meets the requirements of the EU's &lt;&lt;New Approach to Technical Harmonization and Standardization&gt;&gt; directives.

Complies with ISO9000 certification

The product management process strictly follows the ISO9000 system, ensuring reliable product quality and good consistency.

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Ease of Use
Instant power loss ride-through function

This function refers to the inverter reducing output speed during instantaneous power loss or sudden voltage drop, using load feedback energy to compensate for the voltage drop, maintaining inverter operation for a short period.

Multiple motor drives

Supports vector control for three-phase AC asynchronous motors; vector control for three-phase AC synchronous motors; supports vector control for permanent magnet synchronous motors without position feedback.

Supports the company's ESDriverMS backend software

Rich backend monitoring functions facilitate on-site data collection and debugging; supports online oscilloscope function; supports batch parameter upload and download;

Supports batch parameter upload and download; can display U0 group parameters in real-time, with monitoring and diagnostic functions;

Can automatically generate debugging documentation records.

Flexible and diverse terminal functions for easier use

Multifunctional DI terminals have 51 types, DO have 42 types, and AO have 16 types of logic function selections, meeting the conventional control requirements of general inverters;

AI terminals can be flexibly used as multifunctional DI terminals; AI1-A13 can be set with 4-point polyline and 5 types of curve correspondences, supporting high-precision on-site calibration by customers;

Practical built-in 5 groups of virtual DI and DO function selections, reducing external DI/DO wiring;

D16 high-speed pulse input terminal and FM high-speed pulse output terminal support up to 100kHz pulse specifications.

Built-in adaptive PID function module

Built-in two sets of PID parameter groups, automatically switchable based on deviation, DI terminal, and frequency conditions. Diverse and rich selection of given and feedback sources, practical;

PID feedback loss detection function facilitates user fault diagnosis;

Pre-set PID factory parameters for specific industries can meet equipment requirements, suitable for applications with changing roll diameters such as printing, packaging, wire drawing machines, and cables, simplifying debugging processes and facilitating maintenance.

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Excellent Performance

Utilizes the latest generation of motor control-specific chips from Germany's Infineon, integrating cutting-edge software and hardware technologies for strong drive output.

High speed stability accuracy, wide speed regulation range

Speed stability accuracy: +0.5% (SVC), ±0.02% (FVC)

Speed regulation range: 1:200 (VC), 1:1000 (FVC)

Torque response: &lt;20ms (SVC), &lt;5ms (FVC)

Heavy load overload capacity:

110% rated stable operation, 150% rated load for 1min, 180% rated load for 3s.

Fast current limiting function

When the current exceeds the current protection point, it can quickly limit the current within the protection point, avoiding overcurrent alarms caused by sudden load changes or interference.

Unique speed tracking function

No dedicated hardware detection circuit required; can quickly and smoothly track motor speed and direction without any impact. Especially suitable for: fans/pumps, equipment requiring speed tracking, with three speed tracking methods available.

Over-excitation function

Achieves rapid braking effect without additional peripheral braking resistors; improves product ease of use; suppresses bus voltage rise during deceleration, avoiding frequent overvoltage faults, while enabling quick braking to meet rapid stopping requirements.

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