一、产品概述
SEW MDX61B0370-503-4-0T是德国SEW公司推出的高性能工业变频器，专为中大型电机驱动设计，支持宽电压输入与高功率输出。其核心功能包括高精度调速、多模式控制、智能通信及四象限运行能力，适用于物流仓储、建材生产、冶金化工等重载工业场景。
二、核心参数
电气规格
输入电压：三相AC 380-500V（50Hz/60Hz自适应），支持宽电压输入。
输出功率：适配37-45kW电机，过载能力达150%（持续60秒），175%短时运行。
输出频率：0-400Hz连续可调，支持低速大转矩输出。
控制特性
控制方式：支持矢量控制（VFC/FC）、V/F控制及手动操控，可实现转速/转矩双闭环控制。
动态响应：转矩响应时间≤50ms，速度控制精度≤0.5%。
编码器支持：兼容Sin/Cos、TTL、Hiperface等编码器类型，支持位置反馈精度±0.1°。
接口与通信
输入输出接口：8路数字输入、5路数字输出、1路模拟输入；可扩展至8路数字输入/8路数字输出、2路模拟输入。
通信协议：集成RS485/Modbus-RTU，支持PROFIBUS、EtherNet/IP、EtherCat等工业总线扩展。
三、功能特点
1.高精度与稳定性
矢量控制技术：通过磁场定向控制优化电机性能，实现高动态响应与低速稳定性，适用于重载启停场景（如水泥回转窑风机）。
闭环控制：支持编码器反馈，提升定位精度（如物流堆垛机货叉定位误差≤2mm）。
2.模块化设计
扩展性：可选配PLC卡、同步控制器、制动斩波器等模块，适配复杂应用场景（如四象限运行需求）。
接口兼容性：支持多种总线协议，无缝集成至PLC或SCADA系统。
3.保护与安全
多重保护：过流、过压、欠压、过热、短路等保护，故障响应时间＜10ms。
安全功能：符合EN 954-1安全标准，支持“安全停止”功能。
4.环境适应性
防护等级：IP20（标准柜体安装），可选配IP54防护套件适应恶劣环境。
工作温度：-10°C～50°C（部分工业级型号支持扩展温度范围）。
抗干扰设计：内置EMC滤波器，适应强电磁干扰环境。
1.Product Overview
SEW MDX61B0370-503-4-0T is a high-performance industrial frequency converter launched by SEW,Germany.It is designed for medium and large motor drives and supports wide voltage input and high power output.Its core functions include high-precision speed regulation,multi-mode control,intelligent communication and four-quadrant operation capabilities,and are suitable for heavy-duty industrial scenarios such as logistics and warehousing,building materials production,metallurgy and chemical industry.
2.Core parameters
Electrical specifications
Input voltage:three-phase AC 380-500V(50Hz/60Hz adaptive),supports wide voltage input.
Output power:adapted to 37-45kW motor,overload capacity up to 150%(lasting 60 seconds),175%short-term operation.
Output frequency:0-400Hz continuously adjustable,supporting low-speed and high-torque output.
Control Features
Control method:supports vector control(VFC/FC),V/F control and manual control,and can realize dual closed-loop control of speed/torque.
Dynamic response:Torque response time≤50ms,speed control accuracy≤0.5%.
Encoder support:compatible with encoder types such as Sin/Cos,TTL,Hiperface,etc.,and supports position feedback accuracy±0.1°.
Interface and communication
Input and output interfaces:8 digital inputs,5 digital outputs,1 analog input;can be expanded to 8 digital inputs/8 digital outputs,2 analog inputs.
Communication protocol:Integrate RS485/Modbus-RTU,supports industrial bus expansion such as PROFIBUS,EtherNet/IP,EtherCat,etc.
3.Functional characteristics
1.High precision and stability
Vector control technology:optimizes motor performance through magnetic field directional control,achieves high dynamic response and low speed stability,and is suitable for heavy-load start-stop scenarios(such as cement rotary kiln fans).
Closed-loop control:supports encoder feedback to improve positioning accuracy(such as the positioning error of logistics stacker forks≤2mm).
2.Modular design
Extensibility:It can be equipped with PLC card,synchronization controller,brake chopper and other modules to adapt to complex application scenarios(such as four-quadrant operation requirements).
Interface compatibility:Supports multiple bus protocols,seamless integration into PLC or SCADA systems.
3.Protection and safety
Multiple protection:overcurrent,overvoltage,undervoltage,overheating,short circuit and other protection,fault response time is less than 10ms.
Safety function:Comply with EN 954-1 safety standard and supports the”safe stop”function.
4.Environmental adaptability
Protection level:IP20(standard cabinet installation),optional IP54 protection kit can be used to adapt to harsh environments.
Operating temperature:-10°C~50°C(some industrial-grade models support extended temperature range).
Anti-interference design:built-in EMC filter to adapt to strong electromagnetic interference environment.
