Inovance SV820N2S2C2C Multi-Axis Servo Drive: Comprehensive Technical Guide for Industrial Automation

Introduction

The Inovance SV820N2S2C2C represents a cutting-edge solution in multi-axis servo drive technology, developed through a collaborative effort between Inovance’s European and global R&D centers. This high-performance servo platform integrates four axes into a single compact unit with a common power supply module, delivering exceptional performance for demanding industrial automation applications including SCARA robots, CNC systems, and packaging machinery.

As part of Inovance’s SV820 series, the SV820N2S2C2C model features network-type EtherCAT communication, making it ideal for modern smart factory implementations requiring high-speed, synchronized motion control across multiple axes.

Technical Specifications Matrix

Power Supply Specifications

Parameter	Specification
Input Voltage	200-240V AC (Single-phase/Three-phase)
Input Frequency	50/60 Hz
Input Current (Single-phase)	4.5 A
Input Current (Three-phase)	3 A
Rated Output Power	2 kW

Axis Output Specifications

Axis	Rated Current	Peak Current
Axis 1	2.8 A	8.4 A
Axis 2	2.8 A	8.4 A
Axis 3	2.8 A	8.4 A
Axis 4	2.8 A	8.4 A

Control Performance

Parameter	Specification
Control Method	IGBT PWM control, sine wave current drive mode
Speed Control Range	1:5500
Speed Loop Bandwidth	3,000 Hz
Torque Control Accuracy	±2% (repeatability)
Position Control – Positioning Time	1 ms to 10 ms
Soft Start Time	0s to 60s (configurable)
Encoder Feedback	23-bit or 20-bit serial incremental

Environmental Specifications

Parameter	Specification
Operating Temperature	0°C to 45°C (derating required above 45°C)
Storage Temperature	-40°C to +70°C
Operating Humidity	Below 90% RH (without condensation)
Vibration Resistance	4.9 m/s²
Impact Resistance	19.6 m/s²
IP Rating	IP20 (except connecting terminals)
Pollution Degree	PD2
Altitude	Below 1000 m

Digital I/O Specifications

Parameter	Specification
Digital Inputs (DI)	24 (shared across axes, 16 available for high-speed probe)
Digital Outputs (DO)	6 (shared across axes)
DO Load-carrying Capacity	50 mA
DO Voltage Range	5 V to 30 V

Communication and Safety

Parameter	Specification
Communication Protocols	Ethernet, EtherCAT
Safety Function	STO (Safe Torque Off) – SIL3, PLe
Certification	CE certified
STO Input	Dual input

Built-in Functions

Dynamic Brake: Built-in for emergency braking

Brake Power Supply: Built-in output (CN7 connector for 24V input)

Vibration Suppression: 4 adaptive notches per axis (50-4000 Hz), filters for low-frequency (1-100 Hz), medium and high-frequency (30-1000 Hz) suppression

Auto-tuning: Gain auto-tuning, fault log, jog operation

Compatibility Analysis

Compatible Servo Motors

The SV820N2S2C2C is optimized for use with the Inovance MS1 series servo motors, which offer the following compatibility features:

#### MS1H1/H4 Series (Low to Medium Inertia)

Frame Size	Rated Torque	Max Peak Torque	Encoder Resolution
40 mm	0.16-0.32 N·m	350%	23-bit absolute (±15 arcsec)
60 mm	0.64-1.27 N·m	350%	23-bit absolute (±15 arcsec)
80 mm	1.75-3.18 N·m	350%	23-bit absolute (±15 arcsec)

#### MS1H2/H3 Series (Medium Inertia)

Frame Size	Rated Torque	Max Peak Torque	Encoder Resolution
100 mm	3.18-7.96 N·m	300%	23-bit absolute (±15 arcsec)
130 mm	9.8-15.8 N·m	300%	23-bit absolute (±15 arcsec)
180 mm	18.6-48.0 N·m	300%	23-bit absolute (±15 arcsec)

Motor Power Matching

Motor Power	Recommended Drive Module	Rated Current
100 W	1C (single-axis)	1.1 A
200 W	1C (single-axis)	1.6 A
400 W	1C/2C (single/dual)	2.8 A
750 W	1D/2D (single/dual)	4.6 A

Communication Integration

The SV820N2S2C2C supports multiple industrial Ethernet protocols through its network-type (N) control board:

EtherCAT: CiA 402 motion profile as standard

Modbus TCP/IP: For PLC and HMI integration

Ethernet/IP: Industrial Ethernet compatibility

Control System Compatibility

The drive integrates seamlessly with:

Beckhoff TwinCAT

Siemens S7 PLCs

Mitsubishi PLCs via Ethernet

Visual controllers

Teaching pendants

Application Scenarios

1. SCARA Robot Solutions

The SV820N2S2C2C excels in SCARA robot applications due to its multi-axis integration and high dynamic response:

Key Benefits:

Rapid Response: 350% peak torque with 3.0 kHz speed loop bandwidth

Cycle Time: 0.4s for 400mm arm, 0.5s for 600mm arm

Compact Footprint: 50% size reduction compared to four individual IS620 drives

Energy Efficiency: Common DC bus enables energy sharing between axes

Built-in Safety: STO function (SIL3) for collaborative robot applications

System Configuration Example:

“`

EtherCAT Master

↓

SV820N2S2C2C (4-axis)

↓ (Axis 1-4)

MS1H1 Motors (400W each)

“`

2. CNC and Laser Cutting Machines

The FH variant provides enhanced protection for CNC applications:

Features for CNC:

IP55-rated fan option

Enhanced conformal coating (Class 2 per IPC-A-610F)

23-bit absolute encoder eliminates homing after power-up

Built-in brake relay for Z-axis

Isolated cooling channels prevent contamination

Advantages:

Reduced machine complexity

Simplified wiring

Faster commissioning

Higher reliability in machining environments

3. Packaging Machinery

The SV820N2S2C2C addresses packaging industry requirements for high speed and precision:

Packaging Benefits:

Compact size (122mm width for 4-axis configuration)

High-speed performance (2.8-4.6 A modules)

STO safety for cutting applications

Common DC bus reduces external components

Only one braking resistor required per SCARA controller

Typical Applications:

Horizontal form-fill-seal machines

Vertical packaging machines

High-speed sorting and labeling

Automated warehouse manipulators

4. Semiconductor and Electronics Manufacturing

Industry-Specific Features:

3C2 and 3S2 environment resistance (per IEC 60721-3-3)

Low torque ripple (<0.5%)

Vibration suppression for cleanroom compatibility

EtherCAT for high-speed synchronization

Applications:

SMT placement machines

PCB drilling machines

LED manufacturing equipment

Touchscreen production lines

Alternative Models Comparison

Comparison with Competitor Products

Feature	SV820N2S2C2C	Delta ASD-A2-2023-M	Key Advantage
Axes	4 (multi-axis)	1 (single-axis)	Space saving
Power	2 kW	2 kW	Comparable
Current per Axis	2.8 A × 4	13.4 A	Better distribution
Speed Loop BW	3,000 Hz	1,000 Hz	3× faster
Encoder	23-bit	20-bit	Higher precision
STO Certification	SIL3, PLe	SIL2	Higher safety
Footprint (4-axis)	122 mm	4× individual	50% smaller
Communication	EtherCAT, Modbus	CANopen, EtherCAT	Flexible
Price Point	Mid-range	Similar	Value proposition

Internal Comparison with Inovance Family

Model	Axes	Power Range	Network Type	Best For
SV820N2S2C2C	4	2 kW	EtherCAT	Standard applications
SV820N2S2C2D	4	2 kW	EtherCAT	Higher current (4.6A)
SV820N1S2C1C	3	1 kW	EtherCAT	Compact systems
SV660N	1	Up to 15 kW	EtherCAT	High-power single axis
IS620P	1-4	Up to 7.5 kW	Pulse/Analog	Simple control

Model Selection Guide

Choose SV820N2S2C2C when:

Multi-axis synchronization is required

Space is limited in cabinet

EtherCAT network is preferred

2.8A per axis meets motor requirements

Safety (STO) is mandatory

Consider SV820N2S2C2D if:

Motors require 4.6A per axis

Higher torque output needed

Consider SV660N if:

Single high-power axis is sufficient

Higher power (up to 15 kW) required

Existing IS620 system upgrade

Purchase Guide

Ordering Information

Model Code Breakdown:

“`

SV820 – N 2S 2C 2C – FS

—————– Series: SV820

“`

Pricing Factors

Component	Price Influence
Base Unit	Standard
STO (FS)	Included by default
FH Variant	+15-20%
Cable Kits	+$50-200 per axis
Software License	Free (InoDriveStudio)

Recommended Accessories

1. Motor Cables: S6-L-M107 series (power), S6-L-P124 series (encoder)

2. Communication: CAT5e/CAT6 EtherCAT cables

3. Power Components: Circuit breaker, noise filter

4. Brake Resistors: External regeneration resistors if needed

Supplier Selection

Authorized Distributors:

Inovance regional offices

Certified automation distributors

Industrial automation specialists

Verification Checklist:

[ ] Official Inovance distributor

[ ] Product authenticity verification

[ ] Warranty support availability

[ ] Technical support access

[ ] Spare parts availability

Installation Requirements

Cabinet Specifications:

Minimum depth: 200 mm

Ventilation: 10 mm clearance above/below

Operating temperature: Max 45°C ambient

DIN rail or screw mounting supported

Power Requirements:

Dedicated circuit breaker per drive

Ground fault protection recommended

EMC filtering for compliance

Conclusion

The Inovance SV820N2S2C2C multi-axis servo drive delivers exceptional value for modern industrial automation applications. With its combination of high performance (3,000 Hz bandwidth, 23-bit encoder), built-in safety (SIL3 STO), and space-efficient multi-axis design, it provides a compelling alternative to traditional single-axis configurations.

The drive’s seamless integration with MS1 series motors, flexible EtherCAT communication, and comprehensive protection features make it particularly well-suited for SCARA robots, CNC systems, and high-speed packaging machinery. The 50% footprint reduction compared to equivalent single-axis configurations offers significant cabinet space savings and reduced installation complexity.

For engineers and system integrators evaluating servo solutions for multi-axis applications, the SV820N2S2C2C represents a forward-looking choice that aligns with Industry 4.0 requirements while maintaining practical usability and competitive pricing.

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References

1. Inovance Technology Co., Ltd. “SV820 Multi-Axes Servo Drive Technical Manual.” Suzhou Inovance, 2024.

2. Inovance Europe. “MS1 Series Servo Motors Brochure.” Inovance Europe, 2024.

3. Servotechnica. “SV820 Product Documentation.” servotechnica.ru, 2024.

4. Manualslib. “Inovance SV820N Series User Guide.” manualslib.com, 2024.

5. Delta Electronics. “ASDA-A2 Series Servo Drive Catalog.” deltaww.com, 2023.

6. CiA (CAN in Automation). “CANopen Device Profile for Drives and Motion Control CiA 402.” CiA, 2022.

7. EtherCAT Technology Group. “EtherCAT Technology Description.” ETG, 2023.

8. IEC. “IEC 61800-5-2: Adjustable speed electrical power drive systems – Safety requirements.” IEC, 2016.

9. IEC. “IEC 60721-3-3: Classification of environmental conditions.” IEC, 2019.

10. IPC. “IPC-A-610F: Acceptability of Electronic Assemblies.” IPC, 2020.