FR-F700 INSTRUCTION MANUAL (BASIC) - MRO Stop

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(2) WarningsWhen the protective function is activated, the output is not shut off.Operation PanelFR-PU04OLIndicationFR-PU07NameStall prevention (overcurrent)DescriptionCheck pointCorrective actionDuringaccelerationDuringconstantspeedoperationDuringdecelerationOLCauses and corrective actionsWhen the output current of the inverter exceeds the stall prevention operation level (Pr.22 Stall prevention operation level, etc.), this function stops the increase in frequency untilthe overload current decreases to prevent the inverter from resulting in overcurrent trip.When the overload current has decreased below stall prevention operation level, thisfunction increases the frequency again.When the output current of the inverter exceeds the stall prevention operation level (Pr.22 Stall prevention operation level, etc.), this function lowers the frequency until theoverload current decreases to prevent overcurrent trip. When the overload current hasdecreased below stall prevention operation level, this function increases the frequencyup to the set value.When the output current of the inverter exceeds the stall prevention operation level (Pr.22 Stall prevention operation level, etc.), this function stops the decrease in frequency untilthe overload current decreases to prevent the inverter from resulting in overcurrent trip.When the overload current has decreased below stall prevention operation level, thisfunction decreases the frequency again.1. Check that the Pr. 0 Torque boost setting is not too large.2. Check that the Pr. 7 Acceleration time and Pr. 8 Deceleration time settings are not too small.3. Check that the load is not too heavy.4. Are there any failure in peripheral devices?5. Check that the Pr. 13 Starting frequency is not too large.· Check the motor for use under overload.1. Increase or decrease the Pr. 0 Torque boost value 1% by 1% and check the motor status. (Refer to page 56.)2. Set a larger value in Pr. 7 Acceleration time and Pr. 8 Deceleration time. (Refer to page 58.)3. Reduce the load weight.4. Try simple magnetic flux vector control (Pr. 80).5. Change the Pr. 14 Load pattern selection setting.6. Set stall prevention operation current in Pr. 22 Stall prevention operation level. (The initial value is .)The acceleration/deceleration time may change. Increase the stall prevention operation level with Pr.22 Stall prevention operation level, or disable stall prevention with Pr. 156 Stall prevention operationselection. (Use Pr. 156 to set either operation continued or not at OL operation.)Operation PanelIndicationNameDescriptionCheck pointCorrective actionOperation PanelIndicationNameoLStall prevention (overcurrent)DuringdecelerationFR-PU04FR-PU07oL· If the regenerative energy of the motor becomes excessive and exceeds theregenerative energy consumption capability, this function stops the decrease infrequency to prevent overvoltage trip. As soon as the regenerative energy hasdecreased, deceleration resumes.· If the regenerative energy of the motor becomes excessive when regenerationavoidance function is selected (Pr. 882 = 1), this function increases the speed toprevent overvoltage trip. (Refer to Instruction Manual (applied) chapter 4.)· Check for sudden speed reduction.· Regeneration avoidance function (Pr. 882 to Pr. 886) is being used? (Refer to Instruction Manual(applied) chapter 4.)The deceleration time may change.Increase the deceleration time using Pr. 8 Deceleration time.PSPU stopFR-PU04FR-PU07Description Stop with of the PU is set in Pr. 75 Reset selection/disconnected PU detection/PU stop selection. (For Pr.75, refer to Instruction Manual (applied) chapter 4.)PSTROUBLESHOOTING5Check point Check for a stop made by pressing of the operation panel.Corrective action Turn the start signal off and release with .95
Causes and corrective actionsOperation PanelIndicationNameDescriptionCheck pointCorrective actionOperation PanelIndicationNameDescriptionCheck pointCorrective actionOperation PanelIndicationNameDescriptionCheck pointCorrective actionFR-PU04RBRBFR-PU07Regenerative brake prealarmAppears if the regenerative brake duty reaches or exceeds 85% of the Pr. 70 Special regenerative brakeduty value. When the setting of Pr. 70 Special regenerative brake duty is the initial value (Pr. 70 = "0"), thiswarning does not occur. If the regenerative brake duty reaches 100%, a regenerative overvoltage(E. OV_) occurs.The RBP signal can be simultaneously output with the [RB] display. For the terminal used for the RBPsignal output, assign the function by setting "7" (positive logic) or "107" (negative logic) in any of Pr. 190to Pr. 196 (output terminal function selection). (Refer to Instruction Manual (applied) chapter 4)Appears only for the 75K or more.• Check that the brake resistor duty is not high.• Check that the Pr. 30 Regenerative function selection and Pr. 70 Special regenerative brake duty values arecorrect.• Increase the deceleration time.• Check the Pr. 30 Regenerative function selection and Pr. 70 Special regenerative brake duty values.FR-PU04THTHFR-PU07Electronic thermal relay function prealarmAppears if the cumulative value of the Pr. 9 Electronic thermal O/L relay reaches or exceeds 85% of thepreset level. If it reaches 100% of the Pr. 9 Electronic thermal O/L relay setting, a motor overload trip (E.THM) occurs.The THP signal can be simultaneously output with the [TH] display. For the terminal used for the THPsignal output, assign the function by setting "8" (positive logic) or "108" (negative logic) in any of Pr. 190to Pr. 196 (output terminal function selection). (Refer to Instruction Manual (applied) chapter 4)1. Check for large load or sudden acceleration.2. Is the Pr. 9 Electronic thermal O/L relay setting is appropriate? (Refer to page 37.)1. Reduce the load weight or the number of operation times.2. Set an appropriate value in Pr. 9 Electronic thermal O/L relay. (Refer to page 37.)FR-PU04 ————MTFR-PU07 MTMaintenance signal outputIndicates that the cumulative energization time of the inverter has reached a given time.When the setting of Pr. 504 Maintenance timer alarm output set time is the initial value (Pr. 504 = "9999"),this warning does not occur.The Pr. 503 Maintenance timer setting is larger than the Pr. 504 Maintenance timer alarm output set timesetting. (Refer to Instruction Manual (applied) chapter 4.)Setting "0" in Pr. 503 Maintenance timer erraces the signal.Operation PanelIndicationNameDescriptionCheck pointCorrective actionFR-PU04 ————CPFR-PU07 CPParameter copyAppears when parameters are copied between models with capacities of 55K or less and 75K or more.Resetting of Pr.9, Pr.30, Pr.51, Pr.52, Pr.54, Pr.56, Pr.57, Pr.70, Pr.72, Pr.80, Pr.90, Pr.158, Pr.190 to Pr.196,and Pr.893 is necessary.Set the initial value in Pr. 989 Parameter copy alarm release.(3) AlarmWhen an alarm occurs, the output is not shut off. You can also output an alarm signal by making parametersetting. (Set "98" in any of Pr. 190 to Pr. 196 (output terminal function selection). (Refer to Instruction Manual(applied) chapter 4.))Operation PanelIndicationNameDescriptionCheck pointCorrective actionFNFan faultFR-PU04FR-PU07For the inverter that contains a cooling fan, appears on the operation panel when the cooling fanstops due to a fault or different operation from the setting of Pr. 244 Cooling fan operation selection.Check the cooling fan for a fault.Check for fan fault. Please contact your sales representative.FN96
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INVERTERINSTRUCTION MANUAL (BASIC)F
Page 3 and 4:
— CONTENTS —1 PRODUCT CHECKING
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6 PRECAUTIONS FOR MAINTENANCE AND I
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2 INSTALLATION AND WIRINGThree-phas
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Peripheral devices400V classMotorOu
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Method of removal and reinstallatio
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Wiring2.4 Wiring2.4.1 Terminal conn
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Wiring2.4.3 Specification of main c
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Wiring400V classFR-F740-0.75K to 5.
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Wiring(1) Cable sizes etc., of the
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Wiring(2) Notes on earthing (ground
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UVWWiring• FR-F720-15K, FR-F740-1
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WiringTypeFrequency settingTerminal
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Wiring2.4.6 Changing the control lo
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Wiring2.4.7 Wiring of control circu
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Wiring2.4.9 RS-485 terminal block
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Precautions for use of the inverter
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Failsafe of the system which uses t
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Operation panel (FR-DU07)3.2 Operat
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Operation panel (FR-DU07)3.2.3 Oper
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Operation panel (FR-DU07)3.2.7 Chan
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When the rated motor frequency is 5
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Start/stop from the operation panel
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Start/stop from the operation panel
Page 49 and 50: Start/stop from the operation panel
Page 51 and 52: Start/stop from the operation panel
Page 53 and 54: Make a start and stop with terminal
Page 61 and 62: Increase the starting torque (Pr. 0
Page 63 and 64: Change acceleration and deceleratio
Page 65 and 66: Energy saving operation (Pr. 60)Ope
Page 67 and 68: Parameter clear, all parameter clea
Page 69 and 70: Parameter copy and parameter verifi
Page 71 and 72: Parameter listOperation selection a
Page 73 and 74: Parameter list4.9.3 Parameter list
Page 75 and 76: Parameter listFunctionJog operation
Page 77 and 78: Parameter listFunctionDetection of
Page 79 and 80: Parameter listFunctionRetry functio
Page 81 and 82: Parameter listFunctionOperation mod
Page 83 and 84: Parameter listFunctionChange of ana
Page 85 and 86: Parameter listSwitch between the in
Page 87 and 88: Parameter listFunctionOperation sel
Page 89 and 90: Parameter listFunctionSlip compensa
Page 91 and 92: Parameter listFunctionPU connector
Page 93 and 94: Parameter listFunctionRegeneration
Page 95 and 96: Parameter listFunctionAdjustment of
Page 97 and 98: List of faults or alarm display5.2
Page 99: Causes and corrective actionsOperat
Page 103 and 104: Causes and corrective actionsOperat
Page 109 and 110: Correspondences between digital and
Page 111 and 112: Check and clear of the faults histo
Page 113 and 114: Check first when you have troubles5
Page 115 and 116: Inspection item6 PRECAUTIONS FOR MA
Page 117 and 118: Inspection item6.1.4 Display of the
Page 119 and 120: Inspection item(1) Cooling fanThe r
Page 121 and 122: Inspection item• Removal (FR-F740
Page 123 and 124: Rating7 SPECIFICATIONS7.1 Rating•
Page 125 and 126: Common specifications7.2 Common spe
Page 127 and 128: Outline dimension drawings7.3 Outli
Page 129 and 130: Outline dimension drawings• FR-F7
Page 137 and 138: Outline dimension drawings• Opera
Page 139 and 140: Heatsink protrusion attachment proc
Page 141 and 142: For customers who have replaced the
Page 143 and 144: Appendix 2 Instructions for UL and
Page 145 and 146: Appendix 3 Instructions for Complia
Page 147: REVISIONS*The manual number is give
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FR-F700 INSTRUCTION MANUAL (BASIC) - MRO Stop

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