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Home > Electrical & Electronics > Electrical Control System > SEW 31C450-503-4-00 Servo Controller

SEW 31C450-503-4-00 Servo Controller

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

1Yr

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guizhou

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating Temperature 0℃-55℃

Relative Humidity 5%-95% (non-condensing)

Dimensions 280mm×350mm×180mm

I. Overview

The SEW 31C450-503-4-00 is a high-performance servo drive developed for medium-power transmission scenarios. As a core medium-power model in SEW's 31C product series, it is positioned as an "efficient and precise motion control core" for applications such as small and medium-sized automated production lines, intelligent warehousing and logistics equipment, medium-sized packaging machinery, and feed axes of precision machine tools.

This drive fully integrates SEW's technical expertise in medium-power transmission. It adopts an enhanced vector control algorithm, a high-reliability hardware architecture, and anti-interference optimized design. Key functions include high-precision speed regulation of medium-power servo motors, millimeter-level position control, stable high-torque output, and high-speed data interaction with mid-to-high-end upper-level control systems. It also features excellent compatibility with SEW's full range of medium-power servo motors, mainstream PLCs, and industrial human-machine interaction devices, ensuring high precision, reliability, and efficiency in motion control for medium-power transmission scenarios.

As the flagship medium-power model of the 31C series, the 31C450-503-4-00 is fully compatible with SEW DRS series medium-power servo motors (e.g., DRS160M4), HCS30 standard operation panels, and high-precision incremental/absolute encoders. It can be flexibly integrated into automated systems via multiple methods, including pulse control, analog control, and industrial bus control. Full-process operations—such as control mode switching, refined parameter calibration, fault diagnosis, and energy recovery—can be completed without complex adaptation.

Widely used in key applications like main drives for small/medium conveyor lines, stacker travel drives for intelligent warehousing, forming mechanism drives for medium-sized packaging machinery, and feed axis drives for precision machine tools, it provides core drive support for medium-torque precise output, stable positioning, and high-speed operation of equipment. It is a critical component for improving production efficiency of medium-power automated equipment, ensuring process stability, and reducing operation and maintenance costs.

The drive boasts core features including enhanced vector control, multi-dimensional interface integration, comprehensive safety protection, high energy efficiency, and convenient maintenance. It can adapt to harsh operating conditions in industrial sites—such as strong electromagnetic interference, voltage fluctuations, and medium-load impacts—fully meeting the high-performance requirements of medium-power transmission scenarios.

II. Technical Parameters

Parameter Category	Specific Specifications	Detailed Description
Core Drive Parameters	Power Specifications	Rated output power: 15kW; Rated output current: 30A; Maximum output current: 90A (3x overload, duration 5s); Adaptable motor power range: 11-18.5kW; Power density: ≥1.2kW/kg
	Input Power Supply	Three-phase AC input: 380-480VAC (compatible with 50/60Hz); Input voltage fluctuation range: ±15%; Input power factor: ≥0.96 (at rated load); Power consumption: ≤80W (standby state); Supports common DC bus operation for multiple units to enable energy sharing and recovery
	Control Algorithm & Precision	Control methods: Enhanced vector control with encoder, sensorless vector control, V/F control, torque control (freely switchable); Speed control precision: ±0.001% (with absolute encoder); Position control precision: ±0.005mm (with precision ball screw); Torque control precision: ±0.5% (within rated torque range)
	Speed & Torque Range	Rated speed: 0-3000rpm; Maximum speed: 4500rpm (short-time operation, duration ≤30s); Rated torque: 95.5N·m (for 15kW/1500rpm motor); Maximum torque: 286.5N·m (3x overload); Supports zero-speed torque holding (100% of rated torque, unlimited duration)
	Dynamic Response Performance	Speed step response time: ≤5ms; Torque step response time: ≤3ms; Position tracking error: ≤1 pulse (at high-speed operation, pulse frequency 2MHz); Speed fluctuation: ≤0.01% (at rated speed)
Communication & Interface Parameters	Control Interfaces	Standard configuration: 4-channel pulse input (differential signal, max frequency 2MHz), 4-channel analog input (0-10V or 4-20mA, 16-bit resolution, photoelectric isolation), 12-channel digital input (PNP/NPN selectable, photoelectric isolation, response time ≤5μs), 6-channel digital output (transistor/relay selectable, rating 250VAC/2A); Supports incremental encoder interface (5V differential, max frequency 1MHz), absolute encoder interface (SSI protocol), and resolver interface (optional)
	Communication Interfaces	Standard PROFINET RT and EtherNet/IP interfaces; Optional CANopen and Modbus-TCP bus modules; Communication rate: 100Mbps (full-duplex) for PROFINET/EtherNet/IP; Data update cycle: ≤0.2ms (PROFINET RT mode); Supports master-slave control, synchronous control, and distributed control architectures, suitable for multi-axis linkage scenarios
	Auxiliary Interfaces	2-channel USB debugging interfaces (for parameter configuration, firmware update, and data backup, supporting simultaneous debugging); 1-channel encoder simulation output interface (for system debugging); 2-channel fault alarm output interfaces (relay output, rating 250VAC/2A, redundant design); Supports HCS30/HCS50 operation panel connection (Mini USB interface, plug-and-play); 1-channel standard brake unit interface (supports efficient regenerative energy recovery, compatible with SEW dedicated brake resistors)
Protection & Reliability Parameters	Protection Functions	Power supply side: Overvoltage (≥600VAC), undervoltage (≤300VAC), phase loss, overcurrent, and surge protection (compliant with IEC 61000-4-5 Level 3); Motor side: Overcurrent, overload, locked-rotor, overspeed, overtemperature, and inter-turn short-circuit protection; Drive itself: Overtemperature (≥85℃), short-circuit, ground fault, and IGBT module fault protection; Load side: Supports custom protection thresholds for tension, pressure, etc., adapting to precision process requirements; Equipped with fault self-recovery function (manual/automatic restart after fault elimination, configurable restart times)
	Reliability Indicators	Mean Time Between Failures (MTBF): ≥800,000 hours; Mean Time To Repair (MTTR): ≤20 minutes; Supports module-level fault location and isolation; Equipped with fault recording function (stores latest 50 fault records, including fault type, occurrence time, and operation parameter snapshot)
Environmental & Physical Parameters	Environmental Parameters	Operating temperature: 0℃-55℃ (with cooling system); Storage temperature: -40℃-70℃; Relative humidity: 5%-95% (non-condensing); Vibration resistance: 2g (10-500Hz); Shock resistance: 15g (peak, 11ms); Protection class: IP20 (drive itself), IP65 (with custom protective enclosure); EMC compliance with EN 61800-3 standard (industrial level)
	Physical & Installation Parameters	Dimensional specifications: 280mm×350mm×180mm (L×W×H); Installation methods: Cabinet-mounted, wall-mounted; Weight: Approximately 12.5kg; Cooling method: Forced air cooling + high-efficiency heat sink (supports adaptive cooling fan speed); Adapts to installation layout requirements of medium-power equipment

III. Functional Features

1. Enhanced Vector Control for Medium-Power High-Precision Scenarios

An enhanced vector control algorithm optimized for medium-power scenarios is adopted, combined with a 16-bit high-precision current sampling module and a 32-bit high-performance dual-core processor, enabling refined control of medium-power motors.

With an absolute encoder: Speed control precision reaches ±0.001% and position control precision reaches ±0.005mm, meeting the needs of medium-power scenarios with strict precision requirements (e.g., feed axes of precision machine tools, stackers for intelligent warehousing).
Sensorless vector control mode: Achieves ±0.05% speed control precision without an external encoder, suitable for medium-load scenarios with moderate precision requirements (e.g., ordinary small/medium conveyor lines, fans, and pumps).
V/F control mode: Compatible with traditional medium-power induction motors, enabling upgrade and transformation of aging medium-power equipment.

It supports zero-speed torque holding (100% of rated torque), meeting process requirements for medium-sized clamping mechanisms and positioning platforms. With a speed step response time of ≤5ms and torque step response time of ≤3ms, it can quickly adjust output during load sudden changes common in medium-power equipment (e.g., machine tool cutting load changes, stacker start/stop), ensuring operational stability and improving process qualification rates.

2. Full-Dimensional Interface Integration for Efficient Medium-Power System Integration

A highly integrated, full-dimensional interface design is adopted, with diverse control interfaces and high-speed communication interfaces, enabling seamless integration into various medium-power automated systems.

Control interfaces: Include 4-channel high-speed pulse input (max frequency 2MHz), 4-channel 16-bit high-precision analog input, and 12-channel photoelectrically isolated digital I/O. Support multiple control methods (pulse control for position/speed, analog control for speed/torque, digital control for start/stop/forward/reverse, and torque control). Can be directly connected to output interfaces of mid-to-high-end PLCs (e.g., Siemens S7-1500, Mitsubishi Q series) without additional adapter modules, saving installation space and integration costs.
Communication interfaces: Standard PROFINET RT and EtherNet/IP support 100Mbps high-speed communication with a data update cycle of ≤0.2ms. Enable synchronous control of multiple drives (e.g., multi-axis linkage machine tools, multi-drive units for large conveyor lines) and support remote reading, modification, and batch configuration of servo parameters by upper-level systems, significantly improving medium-power system integration efficiency.
Dual USB debugging interfaces: Cooperate with SEW MOVITOOLS MotionStudio professional debugging software to complete parameter configuration and fault diagnosis simultaneously, shortening the debugging cycle and adapting to the rapid commissioning needs of medium-to-large production lines.

3. Comprehensive Protection for Safe and Reliable Medium-Power Operation

A full-link four-level protection system ("Power Supply - Motor - Drive - Load") is built, with protection logic optimized for the operating characteristics of medium-power equipment, providing all-round system protection.

Power supply side: Equipped with overvoltage, undervoltage, phase loss, and surge protection. When input voltage is ≥600VAC or ≤300VAC, the drive immediately cuts off output and triggers redundant alarms, preventing damage to medium-power precision equipment caused by power grid abnormalities.
Motor side: Equipped with overcurrent, overload, locked-rotor, overspeed, overtemperature, and inter-turn short-circuit protection. If motor locked-rotor lasts more than 2s, overload protection is triggered to stop the motor, while recording key parameters (current, torque) during locked-rotor for easy fault troubleshooting.
Drive itself: Adopts forced air cooling + high-efficiency heat sink design. When core component temperature reaches ≥85℃, output power is automatically reduced; at ≥95℃, shutdown protection is activated. It also includes IGBT module fault, short-circuit, and ground fault protection.
Load side: Supports custom protection thresholds for tension, pressure, etc., adapting to precision process requirements of medium-power applications.

With a fault recording function (stores latest 50 fault records) and an MTBF of up to 800,000 hours, it meets the 24/7 continuous operation reliability requirements of medium-power equipment.

4. High-Efficiency Energy-Saving Design for Significantly Reduced Operating Costs

Efficient energy recovery and intelligent energy-saving technologies are adopted, with energy-saving logic optimized for the frequent start/stop and large load fluctuations of medium-power equipment:

During motor light load, deceleration, or braking: Regenerative energy can be fed back to the DC bus (requires standard brake unit configuration) or dissipated via brake resistors, saving 25%-35% more energy than traditional medium-power drives. Particularly suitable for medium-power scenarios with frequent start/stop (e.g., machine tools, stackers).
Load adaptive optimization: Automatically adjusts carrier frequency, PID parameters, and cooling fan speed based on motor load changes. Reduces carrier frequency and fan speed during light load to lower energy consumption and noise; increases carrier frequency during heavy load to ensure control precision.
Standby power consumption: ≤80W. Automatically enters deep energy-saving mode when equipment is shut down or on standby, turning off power to non-essential modules to further reduce energy loss.
Common DC bus operation for multiple units: Multiple medium-power drives can share a DC bus to realize energy sharing, reduce reactive power loss, and improve overall system energy efficiency, adapting to the layout of medium-to-large multi-axis automated production lines.

5. Modular Design for Convenient Maintenance and Efficient Medium-Power Management

A highly modular design is adopted, with independent power modules, control modules, and communication modules. Measuring 280mm×350mm×180mm, it supports cabinet-mounted and wall-mounted installation, adapting to the installation layout of medium-power equipment.

Fault module replacement: Failed modules can be replaced individually without replacing the entire drive, reducing maintenance costs by over 70%.
HCS30 standard color operation panel: Supports Chinese display, enabling intuitive viewing of operating parameters (speed, torque, current). Basic maintenance operations (control mode switching, parameter setting, fault reset) can be completed via the panel without connecting debugging software.
Online firmware upgrade: Batch program updates for multiple drives can be performed via USB interface or PROFINET bus to obtain new functions and performance optimizations, extending the drive service life.
MOVITOOLS MotionStudio software: Built-in parameter configuration templates and fault diagnosis wizards dedicated to medium-power equipment, enabling rapid batch configuration and fault troubleshooting of multiple drives, improving maintenance efficiency and reducing management costs.

6. Strong Environmental Adaptability for Stable Operation in Medium-Power Scenarios

Multiple anti-interference and environment-adaptive designs are adopted, optimized for harsh conditions of medium-power industrial scenarios, ensuring stable operation in various complex industrial environments.

Power input side: Equipped with a high-performance EMC filter, compliant with EN 61800-3 EMC industrial level standards. Effectively suppresses high-frequency power grid interference and surge impacts, preventing electromagnetic interference to medium-power precision equipment.
Control signals: Adopt dual protection of differential transmission and photoelectric isolation. In strong electromagnetic interference environments (e.g., machine tool processing workshops, multi-equipment industrial sites), the signal transmission error rate is ≤0.0001%, ensuring stable control signal transmission.
Wide voltage input range: 380-480VAC±15%, adapting to regions or industrial plants with large power grid voltage fluctuations without additional voltage regulators.
Environmental adaptability: Operating temperature range of 0℃-55℃ (forced air cooling adapts to high-temperature industrial environments); relative humidity of 5%-95% (non-condensing); protection class IP20 (upgradeable to IP65 with custom protective enclosure). Meets the needs of medium-power scenarios with high dust or moisture (e.g., food processing, pharmaceutical packaging).

Product Tags: 31C450-503-4-00