Kolmosen SR03200-2G402A Servo Drive Detailed Product Description

I. Product Overview

SR03200-2G402A is a 3A-level high-performance digital servo drive from the SERVOSTAR SR series by Kolmosen. It is the 2G second-generation enhanced customized configuration version, specifically designed for small power (0.5–1.1kW), high dynamic, and high precision servo systems. The model suffix 2G402A represents encoder feedback, DeviceNet communication, extended I/O, and standard software version. It is compatible with Kolmosen AKM, Goldline, T126 and other series servo motors and is widely used in scenarios such as semiconductors, electronic manufacturing, precision instruments, and automated production lines where precise positioning and response are required. This model is a classic discontinued model, and the market has complete spare parts, maintenance, and refurbishment channels. 

II. Complete Model Analysis

S: Product Series - SERVOSTAR Servo Driver

R: Feedback Basis - Supports Resolver/Encoder Dual Feedback

03: Current Specifications - Continuous Output 3A RMS (3A Class Drive)

200: Base Model - Digital Vector Control, Analog Command, Standard Hardware

2G402A: Custom Configuration Code (Core Difference)

2G: Second Generation Hardware (EMC Optimization, Heat Dissipation Enhancement, Stability Upgrade)

4: Feedback Type - Incremental Encoder / EnDat/Hiperface (Non-Resolver)

0: Power Specifications - DC 140–310V Bus (Single-phase 230VAC Rectification)

2: Communication Interface - DeviceNet Field Bus (Standard Configuration)

A: Software Version - Standard Firmware V5.x (Position/Speed/Torque Three-Loop Control)

III. Core Electrical Parameters

1. Power Supply and Power

Bus Input: DC 140–310V (Compatible with single-phase AC 230V ±10%)

Input Current: 4.5A ADC (Rated)

Continuous Output Current: 3.0A RMS (S1 Continuous, 40°C)

Peak Output Current: 9.0A RMS (3× Rated, ≤5s)

Rated Output Power: 0.5–1.1kW (Suitable for 3A Class Brushless Motors)

Control Power Supply: DC 24V ±10% (External Auxiliary Power Supply)

Carrier Frequency: 15–20kHz (Configurable, Low Noise Operation)

Control Mode: Torque / Speed / Position Full Digital Three-Loop Control

Command Input: ±10V Analog, Pulse / Direction, DeviceNet Bus Command

2. Feedback and Communication

Standard Feedback: Incremental Encoder (2500–8192ppr), EnDat, Hiperface

Compatible Feedback: Resolver (12 Pole, Requires Hardware Jumper)

Communication Interface: DeviceNet (125kbps–500kbps), RS-232 (Debug)

Digital I/O: 11 DI (24V Photocoupler Isolation), 6 DO (Open Collector)

Analog I/O: 1 ±10V Command, 1 0–10V Monitoring Output

Expansion Capability: Supports Remote I/O Expansion, Encoder Split Output

3. Protection and Dynamic Performance

Protection Functions: Overvoltage, Undervoltage, Overcurrent, Short Circuit, Overload, Overheating, Encoder Break, Over-speed, I/O Failure

Temperature Threshold: Built-in NTC, 85°C Triggers Overheating Protection

Current Loop Response: ≤100μs (High Dynamic)

Speed Loop Response: ≤1ms

Position Loop Response: ≤2ms

Speed Ratio Range: 1:5000 (≤1rpm Without Jitter)

Positioning Accuracy: ±1 Encoder Pulse (Suitable for 8192ppr)

IV. Physical and Mechanical Specifications

Size: 238mm × 75mm × 175mm (Standard Rack-Type)

Weight: 2.85kg (Approximately 6.3lbs)

Protection Grade: IP00 (Open Type, Cabinet Installation)

Installation Method: Vertical Wall Mount (4 Points Fixed)

Cooling Method: Forced Air Cooling (Built-in Fan, Efficient Heat Dissipation)

Heat Dissipation Power: ≤30W (Rated Load)

Installation Spacing: Front and Rear ≥5cm Ventilation Space

V. Environment and Certification

Operating Temperature: 0°C ~ +40°C (No Reduction)

Storage Temperature: -20°C ~ +85°C

Humidity: 5%–90% RH (No Condensation) Vibration: 2g (10–2000Hz)

Impact: 15g (11ms)

Certification: CE, UL 508, cULus, EN 61800-3

Six. Core Technical Characteristics

1. 2G Second Generation Enhanced Performance

Hardware Upgrade: EMI filtering optimization, 30% improvement in anti-interference capability, expansion of bus capacitor

Heat Dissipation Improvement: Fan + aluminum frame cooling, +12% continuous overload capacity

Firmware Optimization: Enhanced low-speed stability, reduced DeviceNet communication delay, improved fault diagnosis accuracy

Compatibility: Perfectly compatible with AKM2G new generation servo motors

2. Full Digital Vector Control

DSP vector algorithm, four-quadrant reversible operation, regenerative braking energy feedback

Adaptive Parameter Setting: Automatic identification of motor parameters, inertia identification, friction compensation

Electronic Gears: Programmable gear ratio (1:1 to 1024:1), precise synchronous positioning

Slot Torque Suppression: No jitter at low speed (≤1rpm), low noise, high stability

3. High-Reliability Industrial Design

Dual Redundancy Protection: Hardware overcurrent + software overcurrent, dual over-temperature monitoring

Wide Voltage Adaptation: Bus 140–310VDC, compatible with global 230V industrial power grid

Non-Volatile Storage: Parameter power-off retention, no need to reconfigure after restart

EMC Standard: Compliant with EN 61800-3, stable operation in strong electromagnetic environment

4. DeviceNet Bus Advantage

High-Speed Real-Time Communication: 500kbps rate, period synchronous control

Multi-Axis Networking: Single network supports 63 axes, distributed control, simplified wiring

Status Monitoring: Real-time upload of current, speed, position, temperature, fault code

Remote Debugging: Bus configuration parameters, firmware update, fault diagnosis

Seven. Motor Compatibility and Typical Applications

1. Compatible with Kolmoschung Motors

AKM Series: AKM21, AKM22, AKM23 (0.5–1.1kW)

Goldline Series: T110-0001, T126-0001 (3A winding)

Silverline Series: 6A, 8A, 10A (3A compatible)

Others: 0.5–1.1kW, 3A RMS level third-party brushless servo motors

2. Typical Application Fields

Semiconductor Equipment: Wafer handling, probe station, chip placement machine, dicing machine (micron-level positioning)

Electronic Manufacturing: SMT assembly machine, dispensing machine, AOI inspection, plug-in machine (high-speed accuracy)

Precision Instruments: Optical inspection, laser processing, coordinate measuring machine (high dynamic response)

Automation Line: Small mechanical hand, CNC indexing plate, precision conveyor belt (low power, high reliability)

Packaging / Printing: Labeling machine, die-cutting machine, cutting machine (bus synchronous control)

Medical Devices: Diagnostic equipment, surgical robots, life science instruments (quiet and stable)

Eight. Installation and Debugging Key Points

Installation: Vertical wall-mounted installation, ensure air duct unobstructed, no dust or oil in the environment

Wiring: Power line / encoder line / bus twisted shielded, separate wiring (spacing ≥10cm), 360° shielded grounding

Power Supply: Stable bus voltage, independent filtering of 24V control power supply, DeviceNet bus terminal resistor 120Ω

Debugging: WorkBench software connects RS-232, automatic calibration, verify motor direction, set limit / emergency stop

Maintenance: Regular cleaning of fans and heat sinks, check wiring tightness, no vulnerable parts, long-term maintenance-free

Safety: Power off ≥5 minutes before operating after power grid discharge,严禁 plugging or unplugging interfaces while powered on

Ten. Notes This manual is compiled based on the official specifications of the Kolmorgen SR03200-2G402A model and the 2G version hardware documentation. This model is a discontinued classic model, and it is mainly available as spare parts, repairs, and refurbished products in the market. The DeviceNet bus + encoder feedback configuration makes it highly compatible and stable in multi-axis automation systems. The actual parameters should be based on the product nameplate and the original factory manual. Installation and debugging must be carried out by professional electrical engineers.