LP-100G English manual.doc

LP-100G English manual1 Safety Precautions Never connect the A.C. power supply to the output terminals (U,V,W) of the frequency converter。 After the power supply is switched on, do not perform wiring or check, etc. If the power supply is switched off, do not touch the PCB or other parts inside the converter within 5 minutes after the keyboard indicator lamp goes off, and you must check by using the instrument that the converter has completely discharged all its capacity before you start to work inside the converter. Otherwise, there will be the danger of electric shock. The static electricity in human body will cause serious damage to the MOS field effect transistor in the converter. Please keep your hands away from the PCB, IGBT and other internal parts before taking actions to prevent static electricity. Otherwise, faults may be caused. Dont touch the circuit boards or its parts or components in the converter when it is powered, so as to avoid danger of electric shock. Please dont shut off the unit by turning off the power supply. Turn off the power supply after the motor has stopped its operationOnly the well-trained personnel are allowed to use this unit, and such personnel must read through the parts of this manual relating to the safety, installation, operation and maintenance before using the unit. The safe operation of this unit depends on correct transport, installation, operation and maintenance!12 Connection PrecautionsDont install electromagnetic contactor between the frequency converter and motor.Dont install input phase capacitance or resistance-capacitance absorbing device between the output terminals U、V、W of the frequency converter.To disassemble or replace the motor, the input power supply must be turned off for the frequency converter.The motor or working power supply with can be switched on/off only after the converter stops its output.In order to minimize the effect of electromagnetic interference, a surge absorbing device should be installed if used electromagnetic contactor and relay, etc. is near to the frequency converter.For external control of frequency converter, a isolation device should be used for the control lines or screened cable should be used.A screened cable should be used as the signal connection line for input command and must be routed separately as well, and it had better be installed far from the main circuit.When the carrier frequency is less than 3KHz, the distance between the frequency converter and motor must not be greater than 50 meters (maximum). When it is above 4KHz, this distance should be reduced. The cable for this connection had better be laid in metal conduit.If the frequency converter is equipped with peripheral devices (such as filter, reactor), first measure its insulation resistance to the earth with 1000V megohm meter, and ensure the resistance value is not below 4M. If the frequency converter must be started frequently, dont switch off its power supply, and the operator must start or stop the converter by using the COM/FOR of the control terminal，in order to avoid damage to the bridge rectifier.In order to prevent unexpected accidents, earthing terminal E or must be grounded to the earth securely（the grounding resistance should be below 100 ）. The cable size should be greater than half of below-mentioned corresponding cable size, otherwise current leakage will happen possibly.2 WiringConnect with R,T terminals for single phase 220V input.3 Main circuit terminals terminalDescription Functions RInput point for frequency converterConnected to 3-phase powerSingle input connected to R，TSTE/Grounding pointGrounded to the earthP+，N/PRConnection point for braking resistance options VOutput pointsConnected to 3-phase motorU/W74 Operating keyboard(1) State indication lightFOR positive rotation REW: reverse rotation(2) TRIP: fault indication(3) Potentiometer(4) PRG: shift key(5) ENT:(6) ADD/reduction key(7) RUN: operating command key(8) STOP:stop keyOperating state:stop at the specified deceleration timeFault state:reset,exit(9)Data unit prompt light Indication the unit of value displayed on LED monitor when this light goes on(10)DATA: modify data value when this light goes on(11)FUN: can select function when this light goes on5 Parameters setting methodFor example: change the factory setting 15.0s of F007 acceleration time of speed 1 to 20.0s6 Faults and SolutionThe motor does not rotateLED monitor indicates error messageNo voltage exists between terminals P and N.Check the voltage at R，S or T and charging circuit.UV or W terminals produce no output or abnormal output.Check the set control mode and frequency parameter. Check the terminal condition if it is operated by an external terminal.Re-start after powering down or free runRemember the set operating state.Too much load on the motorCheck and lower the load.Overcurrent OC1Overcurrent during accelerationRe-set or modify the parameters of the functions F007 F029 F030 F044.Overcurrent during decelerationRe-set or modify the parameters of the functions F008 F029 F030 F044.Overcurrent during operation Check the load change and eliminate it.Overcurrent during starting or operation from time to timeCheck if there is slight shortcircuit or grounding.Disturbance Check the earthing wire, screened cable grounding and terminals.57Overvoltage OUPower voltage exceeds the limitMeasure the voltage and eliminate the overvoltageToo fast decelerationModify the parameters of the functions F061. The load has too much inertia R