Description
Rexroth HCS04.2E-W0350-N-04-NNBN
I. Basic Information
Full Model：HCS04.2E-W0350-N-04-NNBN
Brand & Origin：Bosch Rexroth, Germany Original
Product Positioning
As a high-power compact single-axis servo drive of Rexroth IndraDrive Cs series (Part No. R911325453), it serves as the core power drive unit for high-end industrial motion control, high-precision servo drive and heavy-duty equipment dynamic speed regulation. Designed for medium and large-scale automatic production lines and heavy-duty precision equipment with high-frequency start-stop working conditions, it undertakes core tasks such as high-power servo motor speed regulation, torque closed-loop control, precise position following, dynamic load adaptation and high-speed linkage driving. It is widely applied in high-power motion control scenarios such as machine tool spindles, metallurgical heavy industry, packaging and printing, logistics conveying and precision processing. It is an essential original core spare part for high-end servo system capacity expansion, replacement of outdated high-power drive modules, equipment dynamic response upgrading and production line precision optimization.
Hardware Architecture
It adopts Rexroth new-generation high-frequency vector drive architecture, integrated with intelligent IGBT power inverter unit, high-precision current sampling loop, dynamic torque adjustment chip, closed-loop position servo algorithm unit, integrated forced air cooling component and full-link fault self-check latching circuit. The entire PCB adopts industrial reinforced design and military-grade three-proof protection technology, with complete electrical isolation layout of the main power loop, signal control loop and communication loop. The high-frequency inverter area adopts dedicated shielding and noise reduction design, featuring stable torque output, high speed regulation accuracy, ultra-fast dynamic response, strong overload capacity and no thermal drift or output attenuation during long-term high-power operation. Deeply optimized for harsh working conditions such as heavy load impact, high-frequency start-stop, continuous full-load operation and strong industrial electromagnetic interference, it effectively solves common problems of conventional drives such as insufficient torque, regulation lag, operation jitter, overload alarm and temperature rise failure.
Mounting Specification
It supports embedded vertical installation in standard industrial cabinets with standardized hole layout and regular wiring terminals. Featuring compact structure and high integration, it saves cabinet installation space. Equipped with an integrated fan forced air cooling structure with independent and unobstructed heat dissipation air ducts, it adapts to the dust-proof, moisture-proof, vibration-resistant and wide-temperature round-the-clock continuous operation environment of sealed control cabinets. The panel is equipped with visual status indicator lights and fault display windows, supporting fast on-site condition inspection, fault code reading, parameter debugging and operation calibration. It is easy to assemble and disassemble with standard wiring, fully complying with Rexroth original factory installation, wiring and operation specifications for servo systems.
Compatible Systems
Exclusively compatible with Rexroth IndraDrive full-series servo control systems, it perfectly matches Rexroth mainstream high-power servo motors, spindle motors and heavy-duty motion execution units. It seamlessly docks with IndraWorks professional debugging and configuration software, supporting full-process operations including parameter setting, program configuration, online monitoring, fault diagnosis and firmware upgrading. Compatible with mainstream high-speed industrial bus protocols such as SERCOS, EtherCAT, Profibus and CANopen, it can be quickly connected to multi-axis linkage automatic control systems to realize high-precision synchronous motion, dynamic speed regulation and closed-loop servo control, adapting to various high-end industrial automatic motion control platforms.
Product Characteristics
An original industrial-grade high-power high-precision servo drive unit. It completes full-load aging testing, torque accuracy calibration, dynamic response detection, overload condition verification and full EMC electromagnetic compatibility certification before factory delivery. It features ultra-large short-term overload capacity, millisecond-level dynamic response and high-precision three-loop (position/speed/current) closed-loop control. Equipped with intelligent temperature control heat dissipation, adaptive load adjustment and grid fluctuation fault tolerance mechanisms, it integrates full-dimensional hardware protections against overvoltage, undervoltage, overcurrent, overload, short circuit, overheating and encoder abnormality. It supports 24/7 uninterrupted full-load continuous operation. Outdated faulty drive modules of the same series can be replaced in situ without damage, adapting to heavy-duty equipment technical renovation, servo system precision upgrading and production line high-power capacity expansion scenarios.
II. Technical Specifications
1. Electrical Input Parameters
Power Supply Standard: Three-phase AC industrial power supply with rated input 3AC 380V~480V and voltage tolerance range +10%/-15%, complying with global industrial high-voltage power supply standards and resisting grid voltage fluctuation, instantaneous surge and frequency offset interference. The input loop is equipped with multi-stage EMI filtering, surge absorption and voltage clamping circuits to automatically filter grid harmonics, high-frequency clutter and pulse interference, delivering strong power supply adaptability and anti-disturbance performance. It perfectly adapts to complex power supply conditions in heavy industry, machine tools and continuous production, ensuring pure and stable input power for the drive unit.
2. Power & Output Parameters
This high-power heavy-duty drive model features large rated output current, strong continuous load capacity and high short-term overload ratio, easily adapting to dynamic working conditions such as equipment start-up impact, sudden load change and high-frequency start-stop. Adopting high-frequency vector control algorithm, it delivers excellent precision of current, speed and position closed loops, high speed regulation resolution and good torque output linearity without low-speed crawling, high-speed jitter or load offset. The output waveform is pure with low harmonic content, which accurately matches the dynamic drive characteristics of high-power servo motors and ensures the operation accuracy and stability of equipment under low/high-speed and heavy-duty steady-state conditions.
3. Control & Performance Parameters
Adopting Rexroth exclusive high-precision servo control algorithm, it supports three mainstream operating modes: position control, speed control and torque control, which can be freely switched to adapt to different process requirements. With millisecond-level dynamic response speed, it follows changes of upper system commands in real time and accurately completes equipment positioning, speed regulation, torque limitation and synchronous linkage control. It supports high-end motion control functions such as electronic gear, synchronous following, point-to-point motion and continuous trajectory motion, with high multi-axis synchronous time sequence accuracy and extremely small linkage error, fully meeting the high-precision and high-dynamic process control requirements of precision processing, high-speed conveying and heavy-duty forming.
4. Heat Dissipation & Protection Parameters
Adopting integrated fan forced air cooling mode with exclusive independent air duct design, it delivers sufficient air volume and high heat dissipation efficiency, quickly removing heat generated by high-power operation and eliminating failures such as heat accumulation, thermal attenuation and overheating alarm. The built-in intelligent temperature control monitoring unit monitors body temperature, fan operating status and air duct patency in real time and automatically triggers alarm and load reduction under abnormal conditions. The full-dimensional hardware fault protection system covers input voltage abnormality, output overload, motor short circuit, encoder fault, module overheating and communication abnormality. It instantly latches faults and implements accurate protection to prevent fault propagation, ensuring the safety of rear-end motors and the entire motion system. It features high-level industrial EMC electromagnetic compatibility, excellent vibration resistance, anti-interference and temperature change resistance.
5. Environmental Operating Parameters
Operating Temperature：0℃～+55℃
Storage Temperature：-25℃～+70℃
Operating Humidity：5%~95% RH, non-condensing
It withstands harsh industrial conditions including dust accumulation, mechanical vibration, alternating temperature and humidity, strong electromagnetic interference and long-term heavy-load high-load operation, widely applicable to high-power, high-reliability and continuous industrial motion control scenarios such as CNC machine tools, metallurgical heavy industry, packaging and printing, intelligent logistics, new energy equipment and automatic production lines.
III. Key Features
1. High-Power Heavy-Duty Drive with Excellent Overload Performance
Optimized for heavy-load, high-load and high-frequency start-stop working conditions, it features strong continuous load capacity and sufficient short-term overload ratio, perfectly adapting to the dynamic drive requirements of high-power servo spindles and heavy-duty servo motors. It maintains stable torque output, zero speed drift and zero operation jitter under equipment start-up impact, sudden load change and continuous heavy-load operation, thoroughly solving the problems of insufficient heavy-load power, overload alarm and high-speed instability of conventional drives. It ensures stable operation of heavy-duty equipment under all working conditions and improves the load adaptation range and process fault tolerance of equipment.
2. Ultra-High Precision Three-Loop Closed-Loop Process Control
Adopting an independent three-loop closed-loop control architecture of current, speed and position, paired with Rexroth original high-end servo algorithm, it delivers extremely high speed regulation resolution, minimal positioning error and ultra-fast dynamic response. It operates stably without crawling at low speed and without oscillation at high speed, accurately realizing complex process control such as precision positioning, constant-speed operation, constant-torque output and multi-axis synchronous linkage. It effectively improves equipment processing accuracy, forming consistency and motion stability, perfectly adapting to high-requirement process scenarios such as precision processing, high-speed transmission and heavy-duty forming.
3. Multi-Mode Flexible Control for Full Condition Adaptability
Natively supports three core control modes: position, speed and torque, which can be freely switched and flexibly configured according to on-site processes, adapting to diversified industrial scenarios such as single-machine independent drive, multi-axis synchronous drive, constant-force processing and constant-speed conveying. Compatible with mainstream high-speed industrial bus communication, it can be quickly connected to various upper control systems to realize remote command control, real-time parameter adjustment, equipment status monitoring and remote fault diagnosis, balancing system scalability, process flexibility and operation convenience and adapting to the networking requirements of complex automatic production lines.
4. Intelligent Forced Air Cooling for Long-Term High-Load Operation
The integrated high-efficiency fan forced air cooling system with independent air duct achieves efficient heat dissipation, continuously removing heat from high-power operation and eliminating excessive temperature rise, power attenuation and protective shutdown caused by long-term full-load operation. Paired with an intelligent temperature control monitoring mechanism, it monitors body temperature and heat dissipation status in real time and automatically adjusts heat dissipation efficiency according to load, operating with low noise under light load and efficient heat dissipation under heavy load, balancing energy saving and stability. It greatly improves the long-term continuous operation capability and service life of equipment.
5. Full-Range Safety Protection & Maintenance-Free In-Situ Replacement
Integrated with a full-dimensional hardware self-locking protection mechanism, it accurately identifies various electrical faults and equipment abnormalities, triggers protection instantly and latches fault codes, effectively isolating faults and protecting high-value rear-end motors and mechanical equipment, avoiding equipment damage and production shutdown caused by fault propagation. The whole machine features excellent industrial-grade weather resistance, vibration resistance and anti-interference performance with low failure rate and no daily complex maintenance. The hardware dimensions, wiring definitions, communication protocols and control logic fully match the same series standards. Outdated faulty drive modules can be directly replaced in situ without modifying system architecture and process parameters, and full-load operation is available after power-on debugging, greatly reducing technical renovation and operation and maintenance costs.
IV. Working Principle
Rexroth HCS04.2E-W0350-N-04-NNBN is a high-power compact servo drive of the IndraDrive Cs series. After connecting 3-phase 380-480V industrial power supply and completing cabinet installation, motor and communication wiring docking, the module automatically finishes hardware self-test, loop initialization, parameter verification, communication link matching and fault clearing upon power-on, and enters the normal servo drive main control operating state.
The front-end three-phase AC mains power is preprocessed by input filtering, rectification and voltage stabilization to convert into stable DC bus voltage, providing pure working power for the rear-end IGBT power inverter unit. The drive receives position, speed and torque commands issued by the upper system, completes three-loop closed-loop operation of current, speed and position through built-in high-precision servo operation algorithms combined with real-time feedback signals from the motor encoder, dynamically adjusts the output waveform and power of IGBT inversion, and accurately drives the servo motor to complete motion actions such as speed regulation, positioning, torque output and synchronous linkage. It corrects motion errors caused by load fluctuation and working condition offset in real time, ensuring equipment motion accuracy and stability.
During operation, the module monitors input power status, output load current, body temperature, heat dissipation condition, encoder signal and communication link status in real time, and identifies abnormalities such as overload, overcurrent, overheating, voltage abnormality and communication fault through multiple hardware protection mechanisms. Under abnormal conditions, it instantly latches faults, cuts off abnormal output and triggers protection mechanisms to avoid equipment damage; under normal conditions, it adaptively optimizes drive parameters in real time to adapt to dynamic load changes. Meanwhile, it uploads equipment operating data and fault information to the upper system in real time, and automatically resumes normal drive operation after fault reset, continuously ensuring accurate, stable and safe closed-loop operation of the entire servo motion control system.
V. Application Scenarios
1. High-End CNC Machine Tool Spindle Drive Systems: Exclusively used for high-power spindle servo drive of large-scale machining centers, CNC milling machines and lathes, realizing high-speed stable speed regulation, precise speed adjustment, heavy-duty cutting and constant-power processing of spindles, ensuring machine tool processing accuracy and production efficiency, serving as the core power drive unit of high-end CNC machine tools.
2. Heavy-Duty Industrial Automatic Equipment: Adapted to heavy-duty working conditions such as metallurgical equipment, forming equipment, stamping equipment and large conveying equipment, it undertakes tasks of dynamic driving, precise torque control and high-frequency start-stop speed regulation of high-power servo motors, meeting the high-load, high-stability and high-dynamic response operation requirements of heavy industrial equipment.
3. High-Speed Precision Automatic Production Lines: Applied in high-speed packaging, printing, sorting, logistics conveying and precision assembly production lines, it realizes high-precision multi-axis synchronous linkage, high-speed point-to-point motion and stable trajectory control, ensuring high-speed continuous, precise and stable automatic operation of production lines.
4. Legacy Servo System Renovation & Spare Replacement: Used for replacing outdated high-power drives of Rexroth HCS04 series, upgrading equipment power performance, expanding production line heavy-load capacity and optimizing servo system accuracy, solving the problems of insufficient power, excessive temperature rise, inaccurate speed regulation and high failure rate of old drives. It acts as an original core spare part for Rexroth high-end servo systems.
