Part Number: G-DRU20/400EEHO; Model: G-DRU20/400EEHO; Product Name: ELMO Emerson G-DRU20/400EEHO High-Power Density Servo Controller; Product Series: ELMO G-DRU Series, Digital Servo Controllers for Heavy-Duty Industrial Motion Control
Brand: ELMO Emerson (A leading global provider of advanced motion control solutions, integrating ELMO's core servo control technology with Emerson's industrial automation expertise. The brand is renowned for high-performance servo controllers featuring compact design, precise control algorithms, and robust reliability, widely serving industries such as robotics, semiconductor manufacturing, automotive assembly, and precision machining. The G-DRU20/400EEHO controller is engineered for high-voltage, high-current applications, delivering exceptional dynamic response and control accuracy.)
Product Status: Industrial-Grade Original Equipment (Factory Calibrated, 100% Functional, RoHS & REACH Compliant); Product Category: Digital Servo Controller, supporting multi-mode control and real-time data monitoring, designed to drive high-power servo motors in demanding industrial environments.
Core Application: Compatible with ELMO Emerson series servo motors and mainstream industrial control platforms (PLC, CNC systems, motion controllers) via standard communication protocols. It is widely applied in heavy-duty automation scenarios including large-scale robotic arms, precision forging machinery, high-speed packaging lines, semiconductor wafer handlers, and automotive body-in-white assembly equipment. Particularly suitable for applications requiring high torque output, fast acceleration/deceleration, and precise position/speed/torque control.
Core Features: High-voltage input compatibility (400V class) for heavy-load operations; Advanced PID + feedforward control algorithm for superior positioning accuracy; Multiple control modes (position, speed, torque, current) with seamless switching; Built-in safety functions complying with international standards; Compact modular design for space-saving installation; High anti-interference performance with integrated EMC filters; Support for advanced motion functions (electronic cam, interpolation, torque limiting); Seamless integration with industrial communication networks.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Electrical Performance Parameters
Power Supply Requirements: AC 380V ~ 480V (Three-Phase, ±10% Voltage Fluctuation), 50/60Hz; Rated Input Current: 20A; Peak Input Current: 60A (10ms Duration); DC Bus Voltage: 520V ~ 670V (Rectified from AC Input); Power Consumption: ≤8.5kW (Normal Operation), ≤25kW (Peak Load).
Motor Control Performance: Rated Output Current: 20A (Continuous); Peak Output Current: 60A (1s Duration); Output Voltage: 0 ~ 440V AC (Variable Frequency & Amplitude); Control Accuracy: Positioning Accuracy ±0.001mm (with 23-bit Encoder), Speed Regulation Accuracy ±0.01% Rated Speed; Maximum Speed Response Bandwidth: 1kHz; Torque Ripple: ≤2% Rated Torque.
Encoder Compatibility: Supports Absolute Encoder (17-bit ~ 25-bit) and Incremental Encoder (1024 ~ 20480 PPR); Encoder Signal Types: Differential A/B/Z Phase, EnDat 2.2, BiSS-C, SSI; Signal Processing Delay: ≤0.3ms; Absolute Position Feedback via RS-485/Profinet.
Insulation Performance: Insulation Resistance: ≥1000MΩ (500V DC); Dielectric Strength: 3kV AC for 1 Minute (Power Circuit to Control Circuit); Overvoltage Withstand: ≥4kV AC (Transient, 1.2/50μs); Isolation Voltage: 2000V AC (Between Input/Output and Control Circuit).
2.2 Control & Communication Performance Parameters
Control Modes: Position Control (Pulse/Direction, CW/CCW, Electronic Gear), Speed Control (Analog Input, Communication, Parameter Setting), Torque Control (Analog Input, Communication, Torque Limiting), Current Control (Internal Closed-Loop); Built-in Functions: S-Curve Acceleration/Deceleration, Trajectory Planning, Emergency Stop Response, Fault Self-Diagnosis.
Response Performance: Position Response Time: ≤0.8ms; Torque Rise Time: ≤3ms; Maximum Pulse Input Frequency: 4MHz (High-Speed Positioning); Analog Input Resolution: 16-bit (for Speed/Torque Control).
Communication Interfaces: Supported Protocols: EtherCAT, PROFINET IO, Modbus TCP/IP, CANopen; Communication Speed: EtherCAT Up to 100Mbps, PROFINET Up to 1Gbps; Number of Communication Ports: 2 (EtherCAT/PROFINET), 1 (CANopen), 1 (RS-485); Data Transmission Delay: ≤10μs (EtherCAT).
EMC Performance: ESD Protection: ±8kV (Contact), ±15kV (Air) Per IEC 61000-4-2; Surge Protection: ±4kV (Line to Ground), ±2kV (Line to Line) Per IEC 61000-4-5; EMI Filter: High-Performance Built-in Filter, Compliant with EN 61000-6-4 (Industrial Class A); RFI Suppression: Meets EN 55022 Class A Standards.