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SD900 Series Advanced Universal Servo System
- Versatile Compatibility.
- High-performance Engine.
- Intelligent Convenience.
- Comprehensive Features.
- Trustworthy Safety.
- Full Certification.
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SD900 Series Advanced Universal Servo System Overview
As VEICHI's new-generation high-performance servo system, SD900 series advanced universal servo system covers a power range of 0.05 kW to 7.5 kW. It supports both pulse and EtherCAT control modes, ensuring compatibility with a wide variety of commonly used controllers on the market.
In terms of performance, the system incorporates a novel speed ripple compensation algorithm and achieves a speed loop bandwidth of up to 3.5 kHz, delivering superior dynamic response capabilities. Additionally, it is equipped with advanced self-tuning and resonance auto-identification algorithms, significantly simplifying the installation and commissioning processes.
Furthermore, the system offers flexible integration with 17-bit, 23-bit, and 25-bit multi-turn absolute encoders, providing users with more convenient and extensive options for model selection and adaptation.

Key Advantages

Versatile Compatibility
Asynchronous, synchronous, and direct-driven motors compatibility.
High-performance Engine
Speed ripple compensation @3.5kHz bandwidth.
Intelligent Convenience
Black box, Wi-Fi debugging, and one-touch auto-tuning.
Comprehensive Features
Full-closed loop and gantry sync flying vision.
Trustworthy Safety
Dynamic Brake (DB) and STO.
Full Certification
CE, UL, EAC certification compliance.
Advantage Description
All-purpose Drive
Asynchronous, synchronous, direct-driven motors compatibility.
Robust Performance
3.5kHz speed loop bandwidth enabling higher efficiency in high-precision, high-response applications like semiconductor packaging inspection, precision engraving, and laser cutting. Note: Speed loop bandwidth is a core performance metric for drives, indicating the fastest speed frequency to which the drive can respond.

Speed Ripple Compensation
New speed ripple compensation algorithm for smoother speed performance.
SD700: Speed ripple leads to compromised machining quality and dimensional accuracy.
SD900: Reduced speed fluctuations and smoother motion enhance the quality of the final product.

Remote Debug via Wi-Fi
Optional Wi-Fi debugging module allowing for remote modification and parameter optimization.

Black Box
The pre-configured black box function with alarm data storage facilitating immediate on-site recovery and subsequent engineering analysis of parameters and waveforms.

New Servo Software
Various features packed for effortless operation.

Fully Closed-loop Mode
An external secondary encoder or linear scale available for all models to reduce errors caused by mechanical transmission backlash and improve positioning accuracy.

Gantry Suppor
Master-slave drive control scheme, with two axes communicating via a high-speed bus.

STO (Safety Torque Off)
When the STO function is activated via the terminal, the drive enters a state under which the drive ceases to supply energy required for motor movement, causing motor coasting stop, all compliant with IEC 61508-1 SIL-3 standards.

Dynamic Brake (DB)
Instantly PWM output halt during equipment faults to ensure safety.

Full Certifications
Compliance with CE, UL, EAC and other international standards.

Reduced Volume
Smaller hardware and structural design by 25%.

SD900 Servo System Naming Rules

Drive Interface Description

V9E Servo Motor Naming Rules

V7E Servo Motor Naming Rules


Power Cable Naming Rules

Encoder Cable Naming Rules

Industrial Applications for SD900 Series Advanced Universal Servo System
Automation equipment in industries such as 3C electronics, lithium batteries, photovoltaics, printing and packaging, laser cutting, woodworking, and machine tools.
Specifications
| Control Mode | IGBT PWM output with sine wave current |
|---|
| Rotaty motor encoder | 17-bit, 23-bit, 25-bit Multi-turn absolute encoder |
|---|
| Working temperature | -5°C~55°C (Derating between 55°C~60°C) |
|---|---|
| Storage temperature | -20°C~85°C |
| Working humidity | <95%RH (No condensation or freezing) |
| Storage humidity | <95%RH (No condensation or freezing) |
| Vibration resistance | 4.9m/s² |
| Impact resistance | 19.6m/s² |
| IP | IP20 (IP00 for terminals) |
| Cleanliness | No splashing of water, oil, or chemicals Minimal dust, dirt, salt, and metal powder |
| Altitude | <1000m (Derating between 1000m~2000m) |
| Others | No thermal electrical interference, strong electric fields, strong magnetic fields, radioactivity, etc. |
Downloads
| File Name | Type | Language | File Type | Update | Download |
|---|---|---|---|---|---|
| SD900 Series Advanced Universal Servo System Catalog | Catalog | English | 2025-12-11 | 3.39MB |
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