Description
SEW MDX60A0300-503-4-00
Technical Specifications: Rated motor power:30kW Three-phase input voltage:380VAC–500VAC Control modes: VFC open-loop flux control, CFC closed-loop current flux vector control Built-in brake chopper, four-quadrant operation Protection class:IP20 Ambient operating temperature:0℃ to +45℃ Cooling method:Forced air cooling
Functional Features: Split modular design of power unit and control unit Vertical screw fixed installation inside closed electrical cabinet IP20 protection grade only for cabinet interior Full protection functions including overcurrent, overvoltage, undervoltage, overtemperature, earth fault, short circuit and encoder fault Closed-loop drive for high power SEW synchronous servo motors Multi-channel digital and analog I/O terminals Automatic motor parameter identification Parameter backup and restore Optional multiple fieldbus communication cards Built-in positioning and high-precision master-slave synchronization function Integrated STO Safe Torque Off safety function Sustained stable torque output under heavy inertia cyclic load
Application Scenarios: Heavy-duty printing machine main drive Large packaging rotary table servo system Heavy material handling gantry axis Rubber machinery roller drive Large automated lifting equipment servo control
Performance Parameters: Output frequency range:0Hz–600Hz Overload capacity:150% rated current for 60 continuous seconds Speed control accuracy ±0.01% under CFC closed-loop mode Independent adjustable acceleration and deceleration ramps Torque limit and pure torque control mode High-speed encoder signal acquisition and processing
Material Composition: Thickened cold rolled steel sheet housing with powder coating anti-corrosion treatment High-power multi-layer industrial PCB main control board Large IGBT inverter power module NTC temperature monitoring sensor Gold-plated signal terminals, thick copper high-current power terminals Flame-retardant plastic insulating brackets Ultra-large capacity high-voltage DC bus electrolytic capacitors Large metal heat sink and high-power cooling fan assembly
Structural Characteristics: Vertical heavy-duty cabinet modular structure, multiple screw mounting holes on rear Separate power cavity and control cavity to reduce electromagnetic interference Front multi-group LED indicators to display running, fault and bus communication state Top section high-current main power terminals, lower section control signal terminals Side expansion slots reserved for communication option cards Independent high-power cooling fan for power unit heat dissipation
Working Principle: Three-phase AC power enters power unit and is converted to DC bus voltage by rectifier bridge. High-power IGBT module converts DC into variable voltage variable frequency three-phase AC to drive large synchronous servo motor. Encoder transmits rotor position and speed feedback signal to control unit. CFC closed-loop vector algorithm calculates motor flux and torque in real time and adjusts output voltage and frequency continuously to realize high precision motion control. Regenerative energy generated in deceleration process flows through built-in brake chopper and dissipates on external brake resistor. Hardware protection circuit cuts power output immediately once fault is detected.
Installation Requirements: Vertical upright installation inside closed electrical cabinet, inverted or horizontal installation forbidden Reserve sufficient ventilation space, cooling fan air inlet and outlet cannot be blocked Power cables and signal cables must be separated, signal cables use shielded cables Three-phase input voltage must conform to nameplate specification Installation environment must avoid dust, corrosive gas and condensation PE protective earth terminal must be reliably fastened to ground busbar Encoder cable uses SEW dedicated shielded cable
Precautions for Use: Wait at least 20 minutes after power off to finish capacitor discharge before opening cover for maintenance Check three-phase voltage balance before power-on Complete motor parameter identification in commissioning stage No parallel capacitors or surge absorbers on output terminals Clean cooling fan and heat sink dust regularly ESD anti-static protection is required when installing communication expansion cards External brake resistor must match rated power, short circuit of brake terminals is strictly prohibited STO safety wiring must comply with official safety manual
