Kollmorgen SR20200-2G604A Servo Drive Detailed Product Description

I. Product Overview

SR20200-2G604A is a 20A-class, 230V, second-generation 2G enhanced full-digital servo drive of the ServoStar SR series by Kollmorgen. The model core definition: 2G high-performance hardware, EtherNet/IP bus, dual feedback interface, extended I/O, built-in safety torque shutdown STO, advanced intelligent algorithms. It is specifically designed for medium-large power, high-precision, high-dynamic servo systems ranging from 5.5 to 7.5 kW, compatible with the new generation of AKM2G motors, widely used in high-performance automation scenarios such as high-end machine tools, semiconductor equipment, packaging machinery, robots, etc. Kollmorgen.

II. Complete Model Interpretation

S - ServoStar SR series servo drive

R - Supports Resolver + Encoder dual feedback

20 - Current specification - Continuous output current 20A RMS (20A class drive)

200 - Voltage specification - Three-phase 230VAC input (200 = 230V, 201 = 480V)

-2G - Second-generation enhanced hardware (2G = high performance, high bandwidth, high stability)

604A - Function configuration code (core definition)

6 - Communication: EtherNet/IP industrial Ethernet bus + RS-232 debugging

0 - Feedback: Dual feedback interface (resolver + incremental / absolute value encoder)

4 - I/O: Extended I/O (12DI/6DO) + analog expansion

A - Function: Built-in STO (safety torque shutdown, PLd/SIL2), advanced intelligent algorithms, regenerative braking

III. Core Electrical Parameters

1. Power Supply and Power Specifications (2G High-Performance Version)

Input power supply: Three-phase 230VAC ±10%, 50/60Hz (bus 320–460VDC)

Control power supply: DC 24V ±10%, 1.5A (external auxiliary power supply)

Continuous output current: 20.0A RMS (S1 continuous, 40°C)

Peak output current: 60.0A RMS (3× rated, continuous ≤ 5s)

Rated output power: 5.5–7.5kW (compatible with 20A class 230V brushless servo motor)

Carrier frequency: 10–16kHz (2G high carrier, low noise, high dynamics)

Control mode: Position / Speed / Torque / Full closed-loop three-ring digital vector control

Instruction input: EtherNet/IP bus, ±10V analog quantity, pulse / direction, electronic gearing

2. Feedback and Interfaces (2G High-Performance)

Standard feedback: 12-pole resolver, incremental encoder (2500–8192ppr)

Advanced feedback: EnDat 2.2, Hiperface DSL, SSI, BiSS, pure serial absolute value encoder (2G fully compatible)

Communication interface: EtherNet/IP (100Mbps, real-time motion control), RS-232 (debugging)

Digital I/O: 12 DI (24V optocoupler isolation), 6 DO (open collector / relay) (extended type)

Analog I/O: 2 ±10V command, 2 0–10V monitoring, 1 temperature input Safety Function: STO (Safety Torque Shutdown), PLd, SIL2, Cat.3 (standard 2G configuration) Kollmorgen

Braking Function: Built-in regenerative braking unit + braking chopper (supports external high-power resistors ≥ 2.0kW)

Protection Function: Overvoltage, undervoltage, overcurrent, short circuit, overload, overheating, encoder disconnection, over-speed, I/O failure, safety failure

3. Dynamic Performance and Accuracy (Core Advantage of 2G)

Current loop response: ≤ 80μs (2G high-performance DSP, bandwidth increased by 50%) Kollmorgen

Speed loop response: ≤ 800μs (bandwidth ≥ 1kHz, ultra-high-speed response)

Position loop response: ≤ 1.5ms (full closed-loop high precision)

Speed regulation range: 1:10000 (≤ 0.1rpm ultra-low speed stable without jitter)

Positioning accuracy: ±0.5 encoder pulses (compatible with 8192–23bit encoders)

Current loop bandwidth: ≥ 5kHz (2G high dynamics, suitable for high inertia / high acceleration)

Overheating threshold: Built-in NTC, 90°C (2G high-temperature design)

Four. Physical and Mechanical Specifications

Size: 350mm × 105mm × 220mm (2G enhanced version, slightly larger size)

Weight: 3.8kg (approximately 8.4lb) (2G power module weight increase)

Protection level: IP00 (installed in control cabinet)

Installation method: Vertical wall-mounted (4-point fixation, optimized air duct)

Cooling method: Dual fans forced air cooling (2G efficient heat dissipation)

Installation spacing: 8cm or more ventilation space around

Heat dissipation power: ≤ 90W (rated load, 2G low-loss design)

Five. Environment and Certification

Operating temperature: 0°C ~ +50°C (2G wide temperature, no reduction)

Storage temperature: -30°C ~ +85°C

Relative humidity: 5%–95% RH (no condensation)

Vibration: 3.0g (10–2000Hz)

Impact: 20g (11ms)

Certification standards: CE, UL 508C, cULus, EN 61800-3, EN ISO 13849-1, IEC 61508 (Safety Certification) Kollmorgen

Six. Core Technical Characteristics (2G Second Generation Enhancement)

1. 2G High-performance Hardware Architecture

32-bit floating-point DSP + FPGA dual processors, computing power increased by 100%, faster response, higher precision Kollmorgen

Wide band power devices, low loss, high efficiency, high temperature resistance, MTBF ≥ 100,000 hours Kollmorgen

Enhanced insulation design, 2G high-voltage isolation, stronger anti-interference, higher reliability

Intelligent heat dissipation management, dual fans + intelligent temperature control, no reduction in performance at 50°C

2. EtherNet/IP Bus Advantage

100Mbps real-time industrial Ethernet, motion control cycle ≤ 250μs, multi-axis synchronization accuracy ±1μs Kollmorgen

Standard CIP Motion protocol, seamless connection with Rockwell, Siemens and other high-end PLCs

Dual port redundancy, ring network topology, zero interruption in communication

Remote diagnosis, parameter upload/download, firmware upgrade, real-time monitoring

3. 604A Advanced Configuration Highlights

Full feedback compatibility: resolver + incremental + absolute value fully supported, plug-and-play compatible with AKM2G motors Kollmorgen

Extended I/O: 12DI/6DO, meets complex safety, logic, and multi-sensor access requirements Safe STO: PLd/SIL2 level, compliant with EU mechanical safety standards, no need for external safety module

Advanced algorithms: inertia feedforward, friction compensation, vibration suppression, tooth槽 torque elimination, full closed-loop correction

Electronic gears / electronic cams： 1：1 to 8192：1， programmable cam curves， suitable for shearing machines， die-cutting

Regenerative energy feedback： efficiency ≥ 95%， energy saving and cost reduction， suitable for frequent start-stop

4. 2G Intelligent Debugging and Maintenance

WorkBench 2G software： automatic calibration， one-click optimization， oscilloscope， fault recording Kolmorgen Kollmorgen

Intelligent motor identification： read motor electronic nameplate， complete debugging in 5 minutes

Parameter self-learning： automatically identify load inertia， friction， rigidity， and adapt to optimal parameters

Health monitoring： real-time monitoring of temperature， current， voltage， life prediction， preventive maintenance prompts

Non-volatile storage： parameters remain after power loss， restarts run immediately

VII. Motor Compatibility and Typical Applications

1. Compatible with Kolmorgen motors (230V 20A class)

AKM2G series (best match for 2G)： AKM2G-44/54/64 (5.5–7.5kW， 230V) Kolmorgen Kollmorgen

AKM series： AKM53/62/63 (5.5–7.5kW， 230V)

Goldline XT series： T186/T206 (20A windings， 230V)

MT series： MT504/602 (medium-large power 230V)

Third-party： 5.5–7.5kW， 20A RMS， 230V class brushless servo motors

2. Typical application fields (2G high-performance scenarios)

High-end machine tools： five-axis machining centers， high-speed grinding machines， precision lathes (high dynamics + high precision)

Semiconductor equipment： wafer handling， lithography， inspection (ultra-low speed stability + nanometer-level positioning)

Packaging machinery： high-speed pillow-type packaging machines， die-cutting machines， offset printing machines (EtherNet/IP bus synchronization)

Industrial robots： six-axis manipulators， SCARA， Delta (high torque + fast response)

Printing / textiles： high-speed offset printing， digital printing， precision spinning (tension + position full closed-loop)

New energy equipment： lithium battery winding， photovoltaic cutting (safe STO + long-term stability)

Medical equipment： surgical robots， imaging equipment (quiet + ultra-low vibration)

VIII. Installation and Debugging Key Points (2G Special)

Installation： vertical wall-mounted， dual air ducts unobstructed， dust-free and non-corrosive environment， 50°C wide temperature range compatibility

Cabling： power / feedback / control shielded separation (spacing ≥ 20cm)， 360° shielded grounding， dual-end grounding

Power supply： three-phase 230V stable， 24V independent filtering， regenerative resistor ≥ 2.0kW (2G heavy load)

Safety： STO safety circuit independently wired， emergency stop + safety door + STO triple redundancy

Debugging： WorkBench 2G connects EtherNet/IP， automatically identifies AKM2G motors， one-click calibration

Maintenance： regular cleaning of dual fans， inspection of heat sinks， tightening wiring， 2G long-life maintenance-free

Safety： power off ≥ 10 minutes for bus discharge，严禁 plugging and unplugging while powered on， STO not released before running

IX. Notes

SR20200-2G604A is the SR series 20A 230V 2G high-performance flagship drive. The second-generation hardware, combined with the EtherNet/IP bus, dual feedback, extended I/O, and STO safety system, perfectly suits the AKM2G new generation servo motor, achieving comprehensive breakthroughs in performance, accuracy, safety, and reliability in the high-end precision automation field. Kollmorgen. The market mainly focuses on new equipment development, high-end equipment upgrade, and high-performance spare parts, and is the top choice for 5.5–7.5kW 230V high-performance servo systems. Parameters are based on the nameplate and the original factory manual. Installation and commissioning require professional electrical engineers to carry out.