Protective Functions

CHAPTER 5

This chapter explains the "protective functions" of this product.

Always read the instructions before using the equipment.

5.1	Errors (Alarms)	163
5.2	Troubleshooting	174
5.3 Precautions for Maintenance and Inspection		176

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Page 176

Image 176

Mitsumi electronic 55K, FR-F520-0.75K instruction manual Protective Functions

Contents

FR-F500 This section is specifically about safety matters Safety Instructions Additional instructions Emergency stop Treat as industrial waste Contents 100 102103 104 163 Watt-hour meter clear/actual operation hour meter clear 195 184192 Chapter Outline Chapter Precautions for operation InstallationWiring Pre-Operation Information Basic Configuration Basic configurationJapanese Harmonic Suppression Guideline Name Description Structure Appearance and structureFront view Without front cover Removal and reinstallation of the front cover FR-F520-0.75K to 11K, FR-F540-0.75K to 11K FR-F520-30K to 55K, FR-F540-30K to 55K Removal and reinstallation of the operation panel Chapter Installation Instructions for installationClearances around the inverter 97inches1.97inches Vertical mounting Wiring cover and handling 22K or lessFor installation in an enclosure NFB Symbol Terminal Name Description Type Symbol Terminal Name DescriptionDescription of main circuit terminals Description of control circuit terminals Type Terminal Name DescriptionRUN IPF Wiring of the main circuit Wiring instructionsOverall wiring length 1.5K or more Inverter Capacity 75K 5K or more Motor Capacity Ground Cable Gauge 200V class 400V class Terminal block layout FR-F520-1.5K, 2.2K, 3.7K FR-F520-45KFR-F520-5.5K, 7.5K FR-F520-55K FR-F520-11K 400V class FR-F540-0.75K, 1.5K, 2.2K, 3.7K FR-F540-30K, 37K FR-F540-5.5K, 7.5K, 11K FR-F540-45K, 55KFR-F540-15K, 18.5K, 22K Terminal names in parentheses are those of the EC version Connection of the power supply and motor Cables, crimping terminals, etc Model FR-F520-5.5K to 55K, FR-F540-5.5K to 55K Connection procedureModel FR-F520-0.75K to 3.7K, FR-F540-0.75K to 3.7K Wiring of the control circuit Terminal screw size M3.5 Tightening torque 1.2 N⋅ m Changing the control logic Current flow related to RUN signal How to use terminals STOP, CS and PC Connection to the PU connector Recommended cable connectorPU connector pin-outs System configuration example Wiring method Wiring of one RS-485 computer and one inverterRS-485 terminal Computer Max m Connection of stand-alone option units Connection of the FR-BU brake unit option Connection of the FR-HC high power factor converter option Connection of the conventional BU brake unit option Connection of the FR-RC power regeneration converter option Connection of the power factor improving DC reactor option MC1 Interlock Power Supply MC2 Leakage currentDesign information Harmonics RF Noise Other wiringPower harmonics Received Power 5th 7th 11th 13th 17th 19th 23rd Over 23rd Japanese harmonic suppression guidelinesConversion Factors for FR-F500 Series Class Circuit Type Harmonic Content Values at the fundamental current of 100% Equivalent Capacity Limits FR-HC Harmonic suppression techniquesACL, DCL Inverter-generated noises and reduction techniques Data line filter Noise Path MeasuresFollowing measures must be taken Bundle them Noise Induced to Signal Cables by Inverter Output Data examplesNoise Terminal Voltage of Inverter and Example Its Reduction by Noise Filters Leakage currents and countermeasures To-ground leakage currents# Example of counter measures against noise # Countermeasures Inverter-driven 400V class motor Line-to-line leakage currentsRectifying the motor insulation Suppressing the surge voltage on the inverter side 400V class Peripheral devicesSelection of peripheral devices Example Standard to comply UL 508C 1 Installation Wiring of the power supply and motorBranch circuit protection Short circuit ratings Instructions for compliance with the European standards Motor overload protectionEMC Directive Our view of transistorized inverters for the EMC Directive Low Voltage Directive During operation Storage During transportation90% RH or less Maximum Altitude 000 m 10,000 m Earthing EC version Earthing and Earth Leakage CurrentEarthing methods Unit mm2 OPERATION/CONTROL External operation mode factory setting PU operation modeExternal/PU combined operation mode Devices and parts to be prepared for operation Communication operation mode Power on Before switching power on, check the following Operation Panel Names and functions of the operation panel FR-DU04Key indications Unit indications, operating status indications Monitoring Frequency settingUsed to set the running frequency in the PU operation mode Parameter setting method Alarm history Operation modeHelp mode Alarm history clear Parameter clearAll clear User clear Copy mode #Parameter setting mode Parameter Checking and Setting Simple mode parameter listParameter checking Pr user group read selection Name Application Main parameter settings Setting of maximum frequency Pr maximum frequencySetting of minimum frequency Pr minimum frequency Parameter Factory Setting Application Setting Selection of load pattern Pr load pattern selectionGain 0Hz at 4mADC, 60Hz at Operation Pre-operation checks Description Image Operation at 60HzExternal jog operation PU jog operation Start PressStop Press Motor is decelerated to a stop Decelerates when Pr = 9999 to a stop Step DescriptionStart Hold down the key to change the frequency Parameters Parameter List Parameter list Setting Tion F4 fourth frequency voltage Minimum Factory Refer Cust Func Parameter Setting Can be accessed when Pr = PID List of Parameters Classified by Purposes of Use Function rewrite prevention Setting Parameter Factory Setting Range RemarksParameter Function Details Torque boost Pr , Pr 120Hz To 120Hz Pr maximum frequency Pr minimum frequencyUse Pr to set the lower limit of the output frequency 9999 To 120Hz Function invalid Base frequency, base frequency voltage Pr , Pr , Pr8888 60Hz To 120Hz 30Hz 10Hz 24 to 9999 Parameter Factory Setting Setting Range RemarksMulti-speed operation Pr to Pr , Pr to Pr.27 To 3600 s minimum setting increments 0.1 s To 360 s minimum setting increments 0.01 sFactory Setting Range Remarks Acceleration/deceleration time Pr , Pr , Pr , Pr , Pr , Pr Electronic overcurrent protection Pr Pr electronic thermal O/L relayAcceleration Decelerationtime s DC injection brake Pr to Pr Operated atValue Operated To 10 s 5Hz To 60Hz Starting frequency PrPr starting frequency Parameter Factory Setting Range Output CharacteristicsLoad pattern selection Pr Pr load pattern selection Pr jog acceleration/deceleration timereference frequency Jog operation Pr , PrPr jog frequency Related parameters Wiring example Pr Setting Specifications of MRS SignalMRS input selection Pr Pr MRS input selection Parameter Number Factory Setting Setting Range Remarks Stall prevention Pr , Pr , Pr , Pr , Pr , PrTo 120Hz 148 149 Multi-speed input compensation Pr Pr multi-speed input compensationNot compensated Compensated Acceleration/deceleration pattern Pr , Pr.140 to Pr.143 Function Description Setting When using the brake unit, power return converter When using the high power factor converter FR-HCRegenerative brake duty Pr.30 Pr regenerative function selection Frequency jump Pr to Pr Pr.3335Hz Pr.3430Hz Pr speed display Pr speed setting switch-over Running Speed Parameter Setting Unit Pr SettingSpeed display Pr , Pr 144 4, 6, 8, 10 104, 106, 108 Factory Setting Setting Range Setting Capacity Automatic torque boost Pr , PrUp-to-frequency sensitivity Pr Pr up-to-frequency sensitivity Output Signal 6Hz To 120Hz 9999 Same as Pr SettingOutput Signal Output frequency detection Pr , Pr , Pr Pr Setting Operation Second stall prevention Pr , Pr120% Second stall prevention function is not activated Parameter Number Factory Setting Setting Range Set Pr to Pr and Pr in accordance with the following table Output frequency monitor Output current monitorSet value 17, 24 monitor 100 Setting Parameter Monitoring reference Pr , PrMaximum output voltage of terminal AM is 10VDC To 120Hz Rated output Parameter Factory Setting Remarks 9999 1 to No restartFrequency 162 Search No frequency 163 164 Parameter Setting Description To the load inertia moment, torque 165 Remote setting function selection Pr Pr remote setting function selection FrequencyOutput Intelligent mode selection Pr Pr intelligent mode selectionOperation Mode Description Automatically Set Ordinary operation Setting Pr Reference I for intelligent mode Pr Ref. I for intelligent mode accelPr Ref. I for intelligent mode decel % Setting Reference Current Use Pr to select alarms to be reset for retry Errors Reset for Retry SettingRetry function Pr , Pr to Pr P24 To 10 times Not output 101 to Output Use Pr to set the number of retries at alarm occurrenceRetry is not made Motor Applied motor PrPr applied motor Pr PWM frequency selection Pr Soft-PWM setting Parameter Factory Setting DescriptionPWM carrier frequency Pr , Pr Refer to the following list and set the parameters Voltage input Pr Pr 0-5V/0-10V selectionRelated parameters To 5, 10 to Pr filter time constant Reset Selection PU Disconnection DetectionInput filter time constant Pr Key from the PU during Alarm code output selection Pr Pr alarm code output selectionAlarm code output Pr Setting Output Terminals Parameter Name Pr parameter write disable selectionParameter write inhibit selection Pr Reverse rotation prevention selection Pr Pr reverse rotation prevention selection Operation mode selection Pr Pr operation mode selectionExternal signal input terminal STF, STR To 4, 6 to X12 MRS Function/Operation Switch-over modePU operation interlock Operation mode external signal switching function X16 Signal Operation ModeOperating Condition X12 MRS Parameter Number Confirm the settings of Pr , Pr and Pr38 V/F control frequency voltage Pr to Pr Computer link operation Pr to Pr Parameter Factory Setting Range Number Parameter Description Setting117 118 192 119 Data length 120 121 To 10 122 9999 123 9999 To 150ms 124 Data format Required after no data error ACK. Refer toComputer programming Communication protocol Data definitions Reply data from inverter to computer during data readSend data from computer to inverter during data read Control codes Response time = Data sending time sNumber of Bits Stop bit length Bit Bits Data length Parity check HFF Instruction DataH7F Instructions for the program Return Setting items and set data Instruction HFA H7AH6E H6D Error Code List Error Definition Inverter OperationH6C HEC Communication specifications for RS-485 communication Operation at alarm occurrenceCommunication error Operation Mode Operation Location Setting Basic PID control configuration PID control Pr to PrPr = 10 Pr = 20 PID action overview Sink logic Pr =Deviation Reverse action Forward action O signals SignalFunction Description Remarks Entry Description Parameter setting Adjustment procedureGain K = 1/proportional band 9999 132 Calibration example Start Set point input calibration Detector output calibration 138 139 9999 To 60.0Hz No automatic 135 136137 Sink logic, Pr = 7, Pr = 6, Pr = 17, Pr = 18, Pr = NFB MC1 Signals Magnetic Place of Installation RoleSignal Terminal Used Description Roles of the magnetic contactors MC1, MC2, MC3 Parameter Name Setting Description Commercial power To 60.0Hz 139Operation sequence Sets the MC2 and MC3 operation interlock time Operation procedure Operation procedure for running Operation patternSignal on-off after parameter setting OFF OFF → Pr to Pr % Refer to Pr Pr , Pr % Refer to Pr Zero current detection Pr , Pr Zero current detection levelZero current detection period Related parameters Pr to Pr RT signal activated condition selection Pr Pr RT signal activated conditionStall prevention function and current limit function Pr Pr stall prevention operation selection #...Operation not #...Not activated Acceleration Deceleration100 Driving 101 Driving OL signal output timer Pr Pr OL signal waiting time157 To 25 s No signal output Related parameters Pr RUN terminal function selection User group selection Pr , Pr to Pr Examples of use160 9999 10, 11 173 174 Batch deletion Jog operation selection JOG Input terminal function selection Pr to Pr184 Current input selection AU For the NA and EC 185 Setting Signal Functions Relevant Parameters Output terminal function selection Pr to Pr Refer to the following table and set the parameters Commercial power supply Inverter switch-over MC1 Commercial power supply Inverter switch-over MC3 125FAN Sleep User initial value setting Pr Pr users initial value settingSetting example 199 Output phase failure protection selection Pr Pr output phase failure protection selectionCooling fan operation selection Pr Pr cooling fan operation selection Override bias/gain Pr , Pr Pr override bias Pr override gain50% 150% Advanced PID control Pr to Pr NA, EC versions only Pr motor switch-over selection = 0 Basic Method Pr motor switch-over selection = 1 Alternative MethodPr =0 Pr =1 Pr motor switch-over selection = 0 Basic Method Example Pr motor switch-over selection = 2 Direct MethodSystem configuration DC24V Parameter Number Name Parameter Number Name Additional Setting DescriptionSignal name Function Start Motor switch-over timingStart Stop Name Setting Range Output stop detection Stopstart Sleep Status transition chartM1 operation Supply operation Commercial powerEC version 50Hz Meter frequency meter calibration Pr , Pr Pr FM terminal calibration Pr AM terminal calibrationCalibration of terminal FM Calibration of terminal AM Operation procedure When operation panel FR-DU04 is used Frequency setting voltage current bias and gain Pr to Pr 902 0Hz To 60Hz 903904 4mA 0Hz To 20mA To 60Hz 905 To 20mA To 120Hz Mode Power-on monitoring modeMode Least significant #Parameter setting mode#Setting change To 90 to Current setting of gain frequency Press to change the set frequency Press for 1.5 s# Analog voltage A/D value % Across terminals ⋅ 9 times #Press Once to display the current For 0V 0mA, 100% forAnalog voltage calibration value 5V 10V, 20mA 990 Without beep, 1 With beep Buzzer control PrPr buzzer control Protective Functions Major faults Errors AlarmsError alarm definitions OC During Dec OV During AccCheck for too slow acceleration Decrease the acceleration time Remedy the instantaneous power failure Instantaneous power failure is within 15msFind the cause of instantaneous power failure occurrence Set the ambient temperature to within the specifications Ground FaultOutput side ground fault overcurrent protection Check for a ground fault in the motor and connection cable Option slot alarm 1 to Check for a wrong option function setting and operationCheck the communication cable for wire breakage Parameter storage device alarm Find the cause of alarm occurrence CPU FaultFault CPU error Check for a short circuit in the PU connector cable Output phase failure protectionP24 Check for a short circuit in the PC terminal output Minor fault Reduce the load volume or the frequency of operation PU stop Stop made by pressingKey of the PU has been set in Pr PU Stop selection Actual Digital To know the operating status at the occurrence of an alarmCorrespondences between digital and actual characters Key to reset the inverter Alarm code outputResetting the inverter Troubleshooting Speed greatly differs from the settingMotor remains stopped Motor rotates in opposite direction Operation mode is not changed properly Power lamp is not litMotor current is large Speed does not increase Precautions for Maintenance and Inspection Precautions for maintenance and inspectionCheck items Periodic inspection Daily and Periodic Inspection Insulation resistance test using meggerPressure test Analog meter Converter Across terminals Inspection Description Periodic Method Crlterlon InstrumentDisconnect cables Checking method Module device numbers and terminals to be checkedAssumes the use of an analog meter Tester Polarity Measured Value Replacement of parts Part Name Standard Replacement Interval DescriptionCooling fan Smoothing capacitor in main circuit Relays Inverter replacementSmoothing capacitors Typical Measuring Points and Instruments Measurement of main circuit voltages, currents and powerMeasurement of voltages and currents Measuring Points and Instruments Measuring Point5VDC 10VDC Specifications Standard Specifications Model specifications Voltage, frequency Permissible AC 36.0 Collector output Common specificationsSetting To +10V, 11 bits/-5 to +5V Alarm Outline drawings Unit mm inches # FR-F520-5.5K, 7.5K, 11K # FR-F540-5.5K, 7.5K, 11K Unit mm inches Inverter Type FR-F520-37K 340 270 320 550 530 195 71.5 FR-F520-45K 450 380 430 550 525 250 154FR-F520-55K 480 410 460 700 675 250 154 W1 W2 H H1 FR-F540-30K,37K 340 270 320 550 195 71.5 Outline drawing Panel cutting dimension drawing # Operation panel FR-DU04 Chapter Options Option List Stand-alone options 193 Inboard dedicated options Name Type Function Appendices Appendix Data Code List Multi-speed setting speedData Codes Read 118 Communication speed PID Read Write Func Name Read Motor switch-over selection Output stop cancel process value levelAuxiliary motor start delay frequency Auxiliary motor stop delay frequency Manual number is given on the bottom left of the back cover Print Data Manual Number Revision