Description

REXROTH FCS01.1E-W0011-A-04-NNBV R911311065

1. Basic Information

This is a single-axis AC servo frequency converter, an industrial compact high-precision speed regulating drive unit. Designed for precise speed regulation and torque control of small and medium-sized AC motors and servo motors, it features modular structure, high dynamic response and strong working condition adaptability. It is widely used in general industrial transmission scenarios including automatic production lines, packaging machinery, textile equipment, logistics conveying equipment and auxiliary transmission systems for precision machining, serving as a core control component for small and medium power drive in industrial automation.

Adopting full-digital high-speed computing control architecture, the drive highly integrates vector frequency conversion control, closed-loop torque regulation, accurate speed control, signal logic processing, bus communication and comprehensive fault protection functions. It supports driving of common three-phase AC motors and servo motors. Equipped with standard power specification, Type E hardware configuration, Version 04 functional program and NNBV standard interface configuration, it balances versatility and stability. It realizes stepless smooth speed adjustment, constant torque output and high torque operation at low speed, eliminating common defects of conventional inverters such as speed jitter, large speed deviation, poor low-speed performance and weak load adaptability. Compact and highly integrated, it requires no complicated auxiliary components and can be quickly adapted to various standard industrial transmission conditions.

Built with industrial reinforced modular design, it boasts excellent vibration resistance, dustproof performance and anti-electromagnetic interference capability. The standardized interface layout facilitates quick field wiring and integration renovation, enabling seamless connection with all brands of PLCs, industrial controllers and upper monitoring systems. It supports programmable parameter configuration, real-time online debugging, parameter auto-tuning, adaptive motor parameter identification and intelligent fault self-diagnosis. Suitable for 24-hour non-stop continuous operation, it runs steadily under conventional industrial conditions with dust, vibration and electromagnetic interference, acting as a cost-effective and highly reliable core frequency drive unit for general industrial automatic transmission systems.

2. Technical Specifications

2.1 Core Electrical & Control Specifications

Power Supply: Compatible with standard three-phase industrial AC power supply and regular industrial grid voltage input, adapting to minor on-site voltage fluctuation. Power consumption matches rated load with balanced energy consumption and stable heat generation. The built-in power-on buffer circuit suppresses inrush current effectively, protecting rear motors, cables and internal power devices, and improving electrical safety and operational stability of the system.
Drive & Load Capacity: Optimized for small and medium-sized three-phase asynchronous motors and synchronous servo motors. It meets constant torque and constant power speed regulation demands of regular industrial equipment. It delivers sufficient low-speed torque and strong load tolerance, operating stably under continuous running, frequent start-stop and slight load fluctuation conditions for general automated equipment drive.
Control Performance: Adopts dedicated Rexroth vector frequency conversion algorithm, supporting flexible switching among V/F speed regulation, vector speed regulation and torque control modes. Embedded algorithms for adaptive motor parameter identification, closed-loop speed compensation, adaptive load adjustment and low-speed jitter suppression ensure high speed regulation accuracy, stable rotation speed and rapid dynamic response. It achieves full-range smooth stepless speed adjustment with ultra-low steady-state speed error, perfectly satisfying high-precision steady speed and constant torque transmission requirements.
Signal & Bus Configuration: Compatible with standard industrial analog and digital signals for interaction of speed, start-stop and limit logic commands. Equipped with universal industrial bus interface supporting mainstream communication protocols, it enables real-time parameter access, remote speed configuration, operating data upload and fault feedback, fitting modern intelligent bus-based automatic control systems and supporting remote monitoring and maintenance.
Output Capacity: Wide output frequency range covers low, medium and high speed working conditions. Superior sinusoidal output waveform reduces motor noise and heat generation. Stable output torque eliminates high-speed jitter and low-speed stalling, ensuring long-term stable and efficient motor operation.
Parameter Adjustability: Core parameters including speed, torque, acceleration and deceleration time, start-stop logic, protection threshold and filter parameters are fully adjustable. Local panel operation and remote parameter setting via upper software are available. Multiple built-in general motor parameter templates match motors of different power and types, simplifying on-site commissioning greatly.
Protection Mechanism: Comprehensive multi-protection functions cover overcurrent, overvoltage, undervoltage, overload, overheating, motor stall, output short circuit, earth fault and abnormal signal protection. Fault codes are locked instantly with output cut off and alarms triggered to prevent damage to drives, motors and transmission equipment, avoid fault spread and guarantee safe system operation.
Environmental Adaptability: Wide temperature design fits operating temperature range of regular industrial equipment and storage temperature for warehousing and transportation. Operating humidity: 5%~95% non-condensing. It features outstanding dustproof, moistureproof, oil-resistant, anti-aging and anti-interference properties for stable long-term operation in complex industrial sites.

2.2 Physical & Structural Specifications

Installation Mode: Supports standard industrial wall mounting for cabinet installation and equipment body integration. Firm mounting with good vibration resistance withstands vibration generated by frequent start and stop, avoiding loosening and displacement. Applicable to equipment renovation, upgrading and new assembly.
Structural Design: Compact integrated modular structure highly integrates power drive unit, computing control unit, signal conditioning circuit, bus interface, protection circuit and operation panel. Small size and neat layout save cabinet space and suit compact electric control schemes of automated equipment.
Weight: Lightweight industrial design with sturdy body, balancing overall equipment stability and convenience of assembly, replacement, debugging and maintenance for compact installation of small and medium automated equipment.
Material & Protection: The shell is made of high-strength flame-retardant industrial material processed with moisture-proof, anti-corrosion and anti-aging treatment, featuring impact resistance and oil resistance. Internal power and control circuits adopt partition isolation and shielded wiring to isolate external electromagnetic interference, maintaining stable control signals without parameter drift or performance degradation during long-term operation.
Interface Features: Clearly divided independent ports include main power port, motor output port, control signal port and bus communication port with separated strong and weak electricity without mutual interference. Standard terminals allow convenient plugging and reliable connection with anti-loose structure, eliminating poor contact and signal failure caused by vibration.
Status Indication: High-definition LED indicators and digital operation panel intuitively display power status, running state, speed regulation, bus connection and fault codes. Local parameter setting and status checking facilitate rapid inspection, fault location and improved maintenance efficiency.

2.3 Core Functions & Compatibility Specifications

Core Functions: Integrated full-process functions include adaptive motor parameter identification, multi-mode precise speed regulation, constant torque control, smooth acceleration and deceleration, adaptive load compensation, intelligent fault diagnosis, bus data interaction and local parameter debugging. It accurately regulates motor speed and output torque, suppresses start-stop impact and running jitter, and adapts to continuous operation, intermittent start-stop and variable load conditions to meet stable transmission demands of automated equipment.
Integration Features: The standalone unit independently completes power conversion, signal reception, logic calculation, speed regulation, power output and fault protection. No extra signal conversion or auxiliary drive modules are required, simplifying wiring, reducing fault points and cutting equipment matching and maintenance costs.
Compatibility: Fully compatible with small and medium-sized three-phase asynchronous motors and synchronous servo motors of all brands. It connects seamlessly with PLCs, industrial controllers and upper monitoring systems from Siemens, Mitsubishi, Omron and other manufacturers. Supporting mainstream industrial bus protocols, it adapts to standard automatic control architectures and applies to new equipment assembly and old transmission system upgrading.
Reliability & Practicability: Industrial durable design supports 24-hour continuous operation with stable speed, balanced torque, low failure rate and no obvious performance decline. Online parameter modification, real-time status monitoring and fault log management enable maintenance without disassembly, shortening downtime and improving overall production efficiency and continuity.

3. Working Principle

System Initialization & Parameter ConfigurationAfter power-on, the drive conducts comprehensive hardware self-test, main circuit detection, signal port verification and bus scanning to inspect power supply, internal power components, control circuits and rear motor load, and enters standby mode with no abnormality detected. Operators select control modes and set acceleration/deceleration time, speed limit, torque threshold, protection and communication parameters via local panel, upper software or PLC bus to match on-site motor parameters and actual transmission conditions.

Command Reception & Signal Processing

The drive receives real-time speed, start-stop and operation mode commands from upper control systems, and collects motor feedback and load signals simultaneously. High-precision internal filtering eliminates electromagnetic interference and power clutter to purify input data. Speed deviation between set value and actual value is calculated accurately for closed-loop speed regulation calculation.

Closed-loop Calculation & Frequency Conversion Output

Based on preset control modes, the high-speed computing unit executes adaptive PID speed regulation, ramp smoothing, load fluctuation compensation and torque correction. Output frequency and voltage are adjusted dynamically and converted into adjustable AC power via internal inverter circuit to drive motors accurately. Speed deviation is corrected rapidly to realize stable and high-precision dynamic regulation of motor speed and torque.

Bus Interaction & Remote Control

Real-time bidirectional data exchange is carried out via built-in bus interface. Operating speed, output torque, module temperature, working status and fault information are uploaded continuously, while remote speed adjustment, start-stop and parameter modification commands are received instantly. It supports intelligent remote monitoring and control to meet centralized management demands of automatic production lines.

Real-time Monitoring & Intelligent Fault Protection

Power voltage, output current, module temperature, load condition and motor operating state are monitored throughout operation. Once faults such as overcurrent, overvoltage, undervoltage, overload, overheating, stall, short circuit and abnormal signal are detected, fault codes will be locked, power output cut off and alarms triggered to fully protect drives, motors and complete transmission equipment and prevent fault escalation.

Online Debugging & Maintenance Optimization

Online parameter tuning, real-time status observation, dynamic parameter optimization and automatic motor identification help obtain optimal speed parameters for diverse load conditions. Large-capacity fault log records long-term operating and fault data, facilitating rapid troubleshooting, status analysis, efficient maintenance and continuous transmission performance improvement.

4. Application Scenarios

4.1 Automatic Production Line Equipment

Widely used in assembly, conveying and sorting lines. Featuring smooth stepless speed regulation, load adaptability and stable operation, it accurately adjusts conveying speed to adapt to continuous running and slight load fluctuation, ensuring unified production rhythm and stable transmission, and improving overall line efficiency and reliability.

4.2 Packaging & Light Industrial Machinery

Applicable to packaging machines, labeling machines, sealing machines, textile machines and printing machines. It precisely controls operating speed and start-stop rhythm with stable low-speed performance and fast high-speed response, reducing machining deviation caused by transmission jitter and uneven speed, and guaranteeing product precision and production consistency.

4.3 Logistics & Warehousing Transmission Equipment

Mainly applied to logistics conveyors, lifting handling equipment and warehouse sorting devices. Adapted to frequent start-stop and variable load operation, sufficient low-speed torque and stable speed performance ensure smooth startup and reliable operation, lower failure risks and satisfy long-duration continuous working requirements.

4.4 General Industrial Auxiliary Transmission Equipment

Suitable for industrial fans, water pumps, small machine tools and auxiliary power equipment. It realizes energy-saving speed regulation, constant speed operation and stable torque control, reducing power consumption and mechanical wear, extending service life and meeting energy-saving, stable and efficient transmission demands.

4.5 Frequency Conversion Upgrading of Old Equipment

Applicable to renovation projects of traditional power frequency transmission equipment. It replaces old speed regulators to realize intelligent frequency control and remote management, simplifying control structure, improving speed regulation accuracy and automation level, cutting maintenance costs and serving intelligent upgrading of various small and medium industrial transmission devices.