MM430 Siemens frequency converter

MM430 Siemens frequency converterMain features

• 380V-480V±10%, three-phase, AC,7.5kW-250kW；

• Specialized for variable torque loads of fans and pumps;

• firmEMC(Electromagnetic compatibility) design;

• Fast response of control signals;

control function

• linearv/fControl and magnetic flux current control with enhanced motor dynamic response and control characteristics（FCC）More pointsv/fcontrol

• built-inPIDcontroller;

• Fast current limitation to prevent unnecessary tripping during operation;

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

• have15A fixed frequency,4Jump frequency, programmable;

• adoptBiCoTechnology, implementationI/OPort free connection;

• integrationRS485Communication interface, optionalPROFIBUS-DPCommunication module;

• Flexible slope function generator with optional smoothing function;

• Three parameter switching functions: motor data switching, command data switching;

• Special functions for fans and pumps:

• Multi pump switching

• Bypass function

• manual/Auto Switch

• Belt breakage and water shortage detection

• Energy saving methods

protection function

• The overload capacity is140%Rated load current, duration3Seconds and110%Rated load current, duration60Seconds;

• Overvoltage and undervoltage protection;

• Inverter over temperature protection;

• Ground fault protection, short circuit protection;

• I2tOverheating protection for electric motors;

• PTC/KTYMotor protection.