MM440 Siemens frequency converter

Main features

• 200V-240V±10%, single-phase/Three phase, AC,0.12kW-45kW；

• 380V-480V±10%, three-phase, AC,0.37kW-250kW；

• Vector control method can form closed-loop vector control and closed-loop torque control;

• High overload capacity, built-in braking unit;

control function

• linearv/f控制，平方v/fControl, programmable multi-point settingv/fControl, flux current control, speed free vector control, closed-loop vector control, closed-loop torque control, energy-saving control mode;

• Standard parameter structure, standard debugging software;

• Digital input6A, analog input2A, analog output2One, relay output3One;

• independentI/OTerminal board, convenient for maintenance;

• adoptBiCoTechnology, implementationI/OPort free connection;

• built-inPIDController, parameter self-tuning;

• integrationRS485Communication interface, optionalPROFIBUS-DP/Device-NetCommunication module;

• have15A fixed frequency,4Jump frequency, programmable;

• Can achieve main/From control and torque control methods;

• When the power supply disappears or malfunctions, it has"automatic restart"Function;

• A flexible ramp function generator with smooth starting and ending segments;

• Fast current limitation（FCL）To prevent unnecessary tripping during operation;

• There are DC braking and composite braking methods to improve braking performance.

protection function

• The overload capacity is200%Rated load current, duration3Seconds and150%Rated load current, duration60Seconds;

• Overvoltage and undervoltage protection;

• Inverter and motor overheat protection;

• Ground fault protection, short circuit protection;

• Locking motor protection to prevent stall protection;

• adoptPINImplement parameter linkage through numbering.