Inovance SV820N2S2C2C Multi-Axis Servo Drive: Complete Technical Guide
The Inovance SV820N2S2C2C represents a breakthrough in multi-axis servo drive technology, designed to meet the demanding requirements of modern industrial automation systems. As part of Inovance’s SV820 series, this 4-axis servo drive combines high performance, compact design, and versatile communication capabilities in a single integrated platform. Whether you’re developing equipment for semiconductor manufacturing, robotics, or automated assembly lines, the SV820N2S2C2C delivers the precision control and reliability that industrial applications demand.
Technical Specifications Matrix
The SV820N2S2C2C is engineered with a common power supply architecture that significantly reduces cabinet space requirements while maximizing system efficiency. The following table provides a comprehensive overview of the drive’s key technical parameters:
| Parameter | Specification |
|---|---|
| Drive Type | Multi-axis servo drive (4 axes) |
| Input Voltage | 220V AC single-phase/three-phase |
| Power Supply Unit Rating | 2 kW |
| Rated Output Current (per axis) | 2.8 A |
| Peak Output Current (per axis) | 8.4 A (3 seconds) |
| Output Frequency Range | 0-400 Hz |
| Speed Control Range | 1:5500 |
| Speed Loop Bandwidth | 3000 Hz |
| Torque Control Accuracy | ±2% (repeatability) |
| Encoder Support | 23-bit multi-turn absolute / 20-bit incremental |
| Digital Inputs (DI) | 24 (16 high-speed + 8 standard) |
| Digital Outputs (DO) | 6 |
| Communication Protocols | EtherCAT, CANopen, Modbus TCP/IP, Ethernet/IP |
| IP Rating | IP20 (except connecting terminals) |
| Operating Temperature | 0°C to 45°C (derating above 45°C) |
| Storage Temperature | -40°C to +70°C |
| Humidity | Below 90% RH (non-condensing) |
| Safety Certification | STO SIL 3 (EN/IEC 61800-5-2) |
Model Number Decoder
Understanding the SV820N2S2C2C model designation helps engineers select the correct configuration for their specific application requirements:
| Code Position | Value | Meaning |
|---|---|---|
| Series | SV820 | Multi-axis servo platform |
| Control Card | N | Network type with EtherCAT |
| Power Supply | 2S | 2 kW power module |
| Drive Unit 1 | 2C | Dual-axis, 2.8A per axis (400W motors) |
| Drive Unit 2 | 2C | Dual-axis, 2.8A per axis (400W motors) |
Compatible Motor Pairing
The SV820N2S2C2C is designed to work seamlessly with the Inovance MS1 series servo motors, offering power ratings from 50W to 750W. The following matrix helps in selecting the optimal motor-drive combination:
| Motor Model | Rated Power | Rated Torque | Max Speed | Compatible Drive Unit |
|---|---|---|---|---|
| MS1H1-05B30CB | 50 W | 0.16 N·m | 6000 rpm | 2C (2.8A) |
| MS1H1-10B30CB | 100 W | 0.32 N·m | 6000 rpm | 2C (2.8A) |
| MS1H1-20B30CB | 200 W | 0.64 N·m | 6000 rpm | 2C (2.8A) |
| MS1H1-40B30CB | 400 W | 1.27 N·m | 6000 rpm | 2C (2.8A) |
| MS1H1-75B30CB | 750 W | 2.39 N·m | 6000 rpm | 2D (4.6A) |
Communication and Integration
The SV820N2S2C2C offers versatile communication options that ensure easy integration with various industrial control systems:
EtherCAT Integration
As standard, the drive supports EtherCAT with CiA 402 motion profile, enabling seamless integration with major PLC manufacturers. Tested and verified configurations are available for:
- Inovance AM600 – Native CoDeSys integration with pre-configured function blocks
- Omron NJ/NX Series – Full PDO mapping support via Sysmac Studio
- Beckhoff TwinCAT – CSP mode configuration with TwinCAT 3
- Siemens S7-1500 – Via TM杏 module integration
Multi-Axis Synchronization
The common power supply architecture enables efficient energy sharing between axes during regenerative braking cycles. This design reduces external component requirements and simplifies cabinet wiring significantly.
Application Scenarios
The SV820N2S2C2C multi-axis servo drive excels in various industrial automation applications where space, efficiency, and precision are critical factors:
Semiconductor Manufacturing Equipment
With its high-speed position control (1ms positioning time) and 23-bit encoder resolution, the SV820N2S2C2C delivers the sub-micron accuracy required for wafer handling and chip placement applications.
SMT and PCB Assembly
The 4-axis synchronization capability makes this drive ideal for pick-and-place machines, where coordinated multi-axis motion ensures high throughput while maintaining placement accuracy.
Robotics and Collaborative Robots
Its compact 50% smaller footprint compared to traditional multi-axis configurations makes the SV820N2S2C2C perfect for robot joint control applications, particularly in 6-axis and SCARA robot designs.
Packaging and Converting Machinery
Web tension control, registration marking, and cut-to-length applications benefit from the drive’s superior speed loop bandwidth (3000 Hz) and adaptive vibration suppression features.
Medical Device Assembly
The STO SIL 3 safety certification ensures compliance with medical equipment standards while maintaining high-precision motion control for diagnostic and surgical automation equipment.
Intelligent Tuning Features
The SV820N2S2C2C incorporates advanced auto-tuning capabilities that reduce commissioning time and optimize system performance:
- Inertia Auto-tuning – Automatically identifies load inertia ratios for optimal gain settings
- Adaptive Notch Filters – Suppresses mechanical resonances from 50 Hz to 4000 Hz automatically
- Low-frequency Vibration Suppression – Eliminates machine stand and tip vibration (1-100 Hz)
- Torque Compensation – Compensates for friction and gravity effects during motion
Safety Functions
The drive includes comprehensive safety features compliant with EN/IEC 61800-5-2 standards:
| Protection Feature | Description |
|---|---|
| STO (Safe Torque Off) | SIL 3 certified, prevents motor torque generation |
| Overcurrent Protection | Immediate shutdown upon current exceeding limits |
| Overvoltage/Undervoltage | AC line monitoring with automatic shutdown |
| Overtemperature | Heatsink temperature monitoring |
| Overspeed Protection | Monitors motor speed vs. command limits |
| Encoder Error Detection | Monitors communication integrity |
| Dynamic Braking | Built-in emergency stop capability |
Alternative Models Comparison
For applications requiring different configurations, Inovance offers several variants within the SV820N series:
| Model | Axes | Power | Axis 1-2 Current | Axis 3-4 Current | Best For |
|---|---|---|---|---|---|
| SV820N2S2C2C | 4 | 2kW | 2.8A / 2.8A | 2.8A / 2.8A | 4x 400W motor applications |
| SV820N2S2C2D | 4 | 2kW | 2.8A / 2.8A | 4.6A / 4.6A | 2x 400W + 2x 750W motors |
| SV820N1S2C1C | 3 | 1kW | 2.8A / 2.8A | 2.8A / N/A | Compact 3-axis systems |
| SV820N2S2D1D | 3 | 2kW | 4.6A / 4.6A | 4.6A / N/A | 3x 750W high-power applications |
Commissioning and Software
The InoDriveStudio commissioning software provides a comprehensive environment for drive setup, monitoring, and diagnostics. Key features include:
- Real-time waveform analyzer with FFT capability
- Parameter upload/download and backup
- Auto drive discovery on EtherCAT network
- Continuous scope trace for long-term monitoring
- Built-in oscilloscope for signal analysis
Purchase Recommendations
When selecting the SV820N2S2C2C for your application, consider the following factors:
- Motor Power Requirements – Ensure all axes operate at 400W or below; for higher power motors, consider the 2D variants
- Power Supply Configuration – Single-phase operation requires 80% derating on SV820N2S2C2D models
- Cabling Requirements – Order MS1 series motor cables, EtherCAT cables, and DI/DO connector kits separately
- Safety Integration – For applications requiring STO, ensure proper safety relay wiring per IEC 61800-5-2
- Environmental Conditions – IP20 rating requires installation in suitable enclosures for dusty or humid environments
Conclusion
The Inovance SV820N2S2C2C represents a compelling choice for engineers seeking a compact, high-performance multi-axis servo solution. Its 50% smaller footprint compared to conventional multi-drive configurations, combined with ultra-fast 3000 Hz speed loop bandwidth and intelligent auto-tuning features, delivers significant advantages in space-constrained applications. The comprehensive EtherCAT CiA 402 support ensures compatibility with virtually any industrial automation platform, making the SV820N2S2C2C an excellent choice for semiconductor, electronics assembly, robotics, and packaging machinery applications requiring precise multi-axis coordinated motion control.
This technical guide provides general specifications and application recommendations. For specific system integration requirements, consult the official Inovance SV820N Series User Manual and your local Inovance technical support representative.