Mitsubishi Electronics FR-V500 Troubleshooting Motor does not rotate, Vector control

Page 87

Troubleshooting

6.4.2Motor does not rotate

(1) Vector control

The motor does not rotate.

1 Page 84

Are the charge lamp on

N

and the operation panel

 

LED indication given?

 

Is the speed command input?

N

Y

 

Are the operation

 

 

panel LED off and

There is no alarm output

N

the charge lamp on?

 

 

to the operation panel

 

Check the alarm definition,

N

Yremove the cause of the alarm, and reset the inverter.

Are the PLG types and

N

Are the operation

rotation direction correct?

 

panel LED on and

Is the connection correct?

 

the charge lamp off?

Y

1)Contact fault of the operation panel

2)Control power is not supplied. (Check whether jumpers are connected across R-R1 and S-S1.)

Y

Y

Is the speed command higher than the start speed?

Y

Is an external command used for the

Input the speed command. (Refer to page 33.)

N

Set the speed command higher than the Pr. 13 "start speed" value.

N

 

 

 

 

 

 

 

1) The jumper across P-P1 or

Y

Check the PLG rotation direction.

N

 

 

DC reactor is disconnected.

Check the connection

 

 

 

2) Connect a jumper or DC

 

 

 

 

 

 

 

 

 

reactor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the earth leakage

 

N

Is the secondary side wiring

N

breaker and magnetic

 

(U, V, W) of the inverter

contactor on?

 

 

correct without open cables?

 

 

 

 

Turn on the earth leakage

speed command?

Y

Is an analog input used?

Y

Set the speed from the PU.

N

 

 

 

 

Y

breaker and magnetic contactor.

Y

 

Perform wiring correctly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are the voltages of the

 

 

 

 

N

main circuit power supply

N

Is the start command

voltage terminals (R, S,

 

 

 

input?

 

 

 

 

 

T) normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PU: Press FWD (REV).

 

 

 

 

Y

Check for a low voltage, phase

 

External: Turn on STF (STR).

failure, poor connection, etc.

Y

Also check that both STF and

 

and take corrective action.

STR are not on.

 

 

 

 

Are the MRS and

N

RES signals both off?

Please contact your sales

 

 

representative.

Apply a voltage to the analog input terminals (*across 2-5).

Also, to calibrate the No. 2 terminal, adjust the bias and gain of the analog voltage using Pr. 902 and Pr. 903. *No. 1 terminal depending

on the setting of Pr. 73, Pr. 868 or Pr. 805

Y

Is the torque restriction command input?

Turn on the multiple speed (*RH, RM, RL,

REX).

*The terminal functions vary with input terminal assignment (Pr. 180 to Pr. 183, Pr. 187).

N

Y Turn off the MRS and RES signals.

Is the maximum frequency N

(Pr. 1) other than 0?

YSet the torque restriction. (Refer to page 33)

(Setting using parameters)

Is an external command

N

used for torque restriction?

 

Y

 

Make the maximum setting

 

correctly.

 

 

 

 

 

N

Is reverse rotation prevention

(Pr. 78) set to enable rotation

 

 

 

in the rotation direction?

 

 

 

 

 

 

Set reverse rotation prevention

Y

(Pr. 78) correctly.

When the electromagnetic

brake is used, is theN electromagnetic brake open?

Open the brake.

Y

Y

Is an analog input used?

Y

Apply a voltage to the analog input terminals (across 3-5). Also, to calibrate the No. 3 terminal, adjust the bias and gain of the analog voltage using

Set the torque restriction (Pr. 810 to Pr. 817).

N

Set the torque restriction.

Is operation performed without using communication?

Y

Is speed control exercised?

Pr.800

N

 

 

 

Is any cable open?

N

Are the station number

 

and so on set correctly?

 

Y

Wire the cables correctly.

NMake communication setting.

Torque

Pr. 904 and Pr. 905.

Set "20" (V/F control) in Pr. 800 and operate in V/F control.

(For trouble shooting in V/F control, refer to page 85)

Speed

2

Page 84

 

 

 

83

Image 87
Contents 102 Biases and gains of speed setting terminalsThank you for choosing this Mitsubishi Vector Inverter 101Electric Shock Prevention Operation Transportation and installationWiring Trial runGeneral instructions Maintenance, inspection and parts replacementEmergency stop Disposing of the inverterFront view AbbreviationsHarmonic Suppression Guideline Product check and name of partsBasic configuration and connection of peripheral devices Basic configuration and connection of peripheral devicesBasic configuration 400V class Select the NFB type according to the power supply capacitySelection of peripheral devices 200V classStructure Removal and reinstallation of the front coverReinstallation StructureStructure Removal and reinstallation of the operation panel Reinstallation using the connection cableReinstallation Installation of the inverter Installation of the inverterInstall the inverter under the following conditions Connection diagram, PLG cable, PU connector Connection diagram, PLG cable, PU connectorConnection diagram Connection diagram, PLG cable, PU connector Main circuit Specification of main circuit terminalTerminal Symbol Terminal Name Description Screw size M8 Terminal arrangement of the main circuit terminalScrew size M6 400V classCable gause for the control circuit power Cables and wiring length200V class When input power supply is 400V class When input power supply isSetting the PLG PLG output circuit jumper connectorType Length L m Pr Setting Relationship between the motor and PLG Parameter Name Factory Setting Setting Range RemarksConnection diagram, PLG cable, PU connector Control circuit Specifications of control circuit terminalsType Terminal Terminal Name Description Symbol Wiring instructions Not output during inverter resetControl circuit terminal layout Changing the control logic When using an external power supply for transistor output For computer link communication Dedicated motor SF-V5R 1500r/min series Setting the m otorSetting the motor Parameter Name Factory Setting Setting RangeWhen using other manufacturers’ motors At-a-glance guide to motor settingPrecautions for use of the vector inverter Precautions for use of the vector inverterMotor Rated Voltage Checks prior to test run Basic operation Speed setting, run, speed meter adjustmentSetting the speed and running the motor Checks prior to test runOperation status indication FWD or REV flickers Basic operation Speed setting, run, speed meter adjustmentTurn on the start switch STF or STR PU jog operationExternal jog operation To stop the inverter Changing exampleDisplay the present operation speed by pressing SET to It may take some time until the pointer movesUnit indication, operation status indication Names and functions of the operation panelNames and functions of the opera- tion panel Key indicationMonitoring Speed settingUsed to set the running speed in the PU operation mode Alarm *1 absentOnce, press SET , and restart the setting from the beginning Operation modeNames and functions of the opera- tion panel Help mode Alarm historyAlarm history clear Clears all alarm history All clear Parameter clearParameter setting mode Names and functions of the opera- tion panel Copy modeSpeed control Setting procedureSpeed control operation Speed control operationTorque restriction Speed control operation Operation command settingForward and reverse rotation commands terminals STF, STR Speed commandSecond torque restriction level Torque restriction levelPr deceleration torque Gain adjustmentPreset speed-speed Torque restrictions during acceleration and decelerationTorque control When 0 is set in Pr or Pr acceleration/deceleration timeTorque control operation Torque control operationOperation example Pr =0 O signalsFollowing table indicates the operations of the signals Signal Terminal Name RemarksPerform secure wiring. Refer to Set the PLG. Refer to Torque control operation Setting procedureTorque command right selection Torque command settingSpeed restriction When Pr = Used to give a speed restriction command10E +10V Position control operation Position command from parameter settingPosition command from PLC Position control operationAssumes that the Pr value is the factory setting Control mode switchover timingControl mode switchover timing 〈 Example Speed Position, when Pr = 4〉Start signal Easy gain tuningEasy gain tuning Easy gain tuning execution procedureLoad inertia estimation restriction conditions Easy gain tuning Precautions for easy gain tuningAutomatically set parameters by easy gain tuning Checking the Pr control system selection valuePage 3 Pr = 2 normal tuning/adaptive magnetic flux observer Online auto tuningOnline auto tuning 2 Pr =1 start-time tuning10V SettingOutput speed Torque %Read Pr to display the currently set gain speed Setting change 1.5 sCurrent analog voltage adjustment value Example When the analogValue is 100% Function list Simple mode parameters Function list Simple mode parametersSimple mode parameter list Pr maximum speed, Pr minimum speed Setting Carrier FrequencyYou can change the motor sound Refer to page 62 for Pr soft PW M controlRefer to page 46 for details Pr control system selection Setting Drive System Control Method RemarksRefer to page 43 for details Pr extended function display selectionFunction list Extended function parameters Function list Extended function parametersSpeed jump 1B Deceleration patternRegenerative Speed jump 1ADA1 terminal function Remote settingIntelligent mode Alarm occurrenceSpeed setting signal Applied motorPWM frequency Selection Online auto tuning Selection Auto tuning setting Reset selectionParameter write Disable selection Reverse rotation Operation mode117 Station number 123 Waiting time setting144 Speed setting SwitchoverStall prevention 156 Operation selection 157 OL signal outputTimer Power failureMeter clear DI1 terminal function Maker setting parameters. Do not make setting 169168 171 Actual operation hour236 Multi-speed setting 232 Multi-speed settingMulti-speed setting 233 234 Multi-speed setting286 Droop gain Command selectionSwitchover speed Command 357 In-position zone427 Excessive level error Position commandCommand pulse 420 Scaling factor Numerator Command filterAmount lower 4 digits Digital position464 Control sudden stop 465 First position feedValue RAM Torque command Selection 801 Torque characteristicCharacteristic 805 Torque command832 Speed setting filter 818 Easy gain tuning Response level setting 819822 Speed setting filter 826 Torque setting filter842 Torque bias Adjustment840 Torque bias selection 841 Torque biasSetting time 892 Maintenance output 874 OLT level settingFault definition 890 Maintenance outputErrors Alarms Errors AlarmsMajor faults Inv. Overload OV During AccOV During Dec Motor OverloadUnder Voltage Br. Cct. FaultGround Fault Inst. Pwr. LossStll Prev STP OL shown during stall OH FaultOption Fault Option slot alarm 1 toPU Leave Out Fault 1 to FaultCPU Fault Corrupt MemryOperation Panel P12 FaultIndication Fault Name Operation Panel P24Overspeed occurrence No encoder signalExcessive position error No encoder a signalMinor fault Fan FailureStall prevention Operation Panel Err Indication Reset from operation panel Errors Alarms How to recover from PU stop error PSResetting the inverter Correspondences between digital and actual charactersCorrespondences between digital and actual characters Memo Vector control TroubleshootingTroubleshooting Motor generates abnormal noiseVector control Troubleshooting Motor does not rotateParameter Command beenIs the torque For speed restriction?F control Troubleshooting Motor generates heat abnormally Troubleshooting Motor hunts Speed controlBeing made? Troubleshooting Machine operates unstably Troubleshooting Speed command does not match motor speed Have you set the motor type? Is the PLG setting correct?Does the inverters speed command match the motor speed? Troubleshooting Motor rotates but speed does not change Pr , Pr Is an external Troubleshooting Torque control is not exercised normallyIs the wiring length short? Torque controlFilter Pr Is the torque command unvaried?Reduce noise Frequency low?Check items Precautions for maintenance and inspectionPrecautions for maintenance and inspection Insulation resistance test using meggerPrecautions for maintenance and inspection Pressure test Daily and periodic inspectionDo not conduct a pressure test. Deterioration may occur Area Inspection Description Replacement of partsPart Name Standard Replacement Interval Description IntervalCooling fan Smoothing capacitorsRelays Examples of Measuring Points and Instruments Measurement of main circuit voltages, currents and powersPf2 = Measuring Points and Instruments100% Pf1 = 100%Model specifications Model specifications10.0 14.5 18.5 27.5 35.5 51.8 132 Three-phase, 380 to 480V 50Hz/60HzThree-phase, 380V to 480V 50Hz/60Hz 10.0 12.8 19.0 24.6 30.4 35.8 46.3 59.5 68.5 91.0Common specifications Common specificationsFR-V520-1.5K‚ 2.2K FR-V540-1.5K‚ 2.2K Outline dimension drawingsOutline dimension drawings Inverter outline dimension drawingsFR-V520-11K‚ 15K FR-V540-7.5K‚ 11K, 15K, 18.5K FR-V520-18.5K250 Inverter Type FR-V520-22K, 30K‚ 37K !FR-V540-22K, 30K‚ 37KSF-V5RH 2K ‚ 3K SF-V5RH 1KSF-V5RH 5K ‚ 7K 110 SF-V5RH 30K ‚ 37K ‚ 45K ‚ 55KPrint Date Manual Number Revision For Maximum Safety