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PARAMETERS

173

CAUTION

Be careful when setting any value other than "0". Even without the speed command, the

motor will start running at the set frequency by merely switching on the start signal.

Buzzer control (Pr. 990)

Pr. 990 "buzzer control"

You can make the buzzer "beep" when you press any key of the operation panel or parameter unit.

Parameter

Number

Factory Setting Setting Range Remarks

990 1 0, 1 0: Without beep, 1: With beep

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Safety Instructions4
Fire Prevention4
Table of Contents7
Pre-Operation Information11
- Precautions for Operation11
Basic Configuration12
Structure13
- Appearance and Structure13
- Removal and Reinstallation of the14
- Removal and Reinstallation of the Operation Panel16
- Installation and Wiring17
Installation18
- Instructions for Installation18
Wiring20
- Terminal Connection Diagram20
- Wiring of the Main Circuit23
- Wiring of the Control Circuit29
- Connection to the PU Connector33
- Connection of Stand-Alone Option Units35
- Design Information39
Other Wiring40
- Power Harmonics40
- Japanese Harmonic Suppression Guidelines41
- Inverter-Generated Noises and Reduction Techniques44
- Leakage Currents and Countermeasures48
- Inverter-Driven 400V Class Motor49
- Peripheral Devices50
- Instructions for Compliance with the UL and CSA Standards52
- Instructions for Compliance with the European Standards53
- Earthing (EC Version)54
Pre-Operation Information57
- Devices and Parts to be Prepared for Operation57
- Power on59
- Installation Check59
- Parameter Check59
Operation65
- Pre-Operation Checks65
- External Operation Mode (Operation Using External Input Signals)66
- PU Operation Mode (Operation Using the Operation Panel (FR-DU04))67
- Combined Operation Mode (Operation Using the External Input Signals and PU)68
Parameter List70
Parameter Function Details76
- Torque Boost (Pr. 0, Pr. 46, Pr. 112)76
- Output Frequency Range (Pr. 1, Pr. 2, Pr. 18)77
Base Frequency, Base Frequency Voltage (Pr. 3, Pr. 19, Pr. 47, Pr. 113)78
Multi-Speed Operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)79
Acceleration/Deceleration Time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111)80
Electronic Overcurrent Protection (Pr. 9)81
DC Dynamic Brake (Pr. 10, Pr. 11, Pr. 12)82
Starting Frequency (Pr. 13)83
Load Pattern Selection (Pr. 14)83
Jog Operation (Pr. 15, Pr. 16)84
MRS Input Selection (Pr. 17)85
Stall Prevention (Pr. 22, Pr. 23, Pr. 66, Pr. 148, Pr. 149, Pr. 154)86
Multi-Speed Input Compensation (Pr. 28)87
Acceleration/Deceleration Pattern (Pr. 29, Pr. 140 to Pr. 143)88
Regenerative Brake Duty (Pr. 30, Pr. 70)89
Frequency Jump (Pr. 31 to Pr. 36)90
Speed Display (Pr. 37, Pr. 144)91
Up-To-Frequency Sensitivity (Pr. 41)92
Output Frequency Detection (Pr. 42, Pr. 43, Pr. 50, Pr. 116)92
Second/Third Stall Prevention (Pr. 48, Pr. 49, Pr. 114, Pr. 115)93
Monitor Display/Fm, am Terminal Function Selection (Pr. 52 to Pr. 54, Pr. 158)95
Monitoring Reference (Pr. 55, Pr. 56)97
Automatic Restart after Instantaneous Power Failure (Pr. 57, Pr. 58, Pr. 162 to Pr. 165)98
Remote Setting Function Selection (Pr. 59)100
Intelligent Mode Selection (Pr. 60)101
Acceleration/Deceleration Reference Current/Lift Mode Starting Frequency (Pr. 61 to Pr. 64)103
Retry Function (Pr. 65, Pr. 67 to Pr. 69)104
Applied Motor (Pr. 71)106
PWM Carrier Frequency (Pr. 72, Pr. 240)107
Voltage Input (Pr. 73)108
Input Filter Time Constant (Pr. 74)109
Reset Selection/Pu Disconnection Detection/Pu Stop Selection (Pr. 75)109
Alarm Code Output Selection (Pr. 76)111
Parameter Write Inhibit Selection (Pr. 77)112
Reverse Rotation Prevention Selection (Pr. 78)113
Operation Mode Selection (Pr. 79)114
Motor Capacity/Number of Motor Poles/Speed Control Gain (Pr. 80, Pr. 81, Pr. 89)117
Offline Auto Tuning Function (Pr. 82 to Pr. 84, Pr. 90 to Pr. 94, Pr. 96)118
Online Auto Tuning Selection (Pr. 95)124
V/F Control Frequency (Voltage) (Pr. 100 to Pr. 109)126
Computer Link Operation (Pr. 117 to Pr. 124)127
- Setting Items and Set Data133
- Error Code List135
PID Control (Pr. 128 to Pr. 134)137
Commercial Power Supply-Inverter Switch-Over Function (Pr. 135 to Pr. 139)144
Output Current Detection Function (Pr. 150, Pr. 151)148
Zero Current Detection (Pr. 152, Pr. 153)149
RT Signal Activated Condition Selection (Pr. 155)150
Stall Prevention Function and Current Limit Function (Pr. 156)150
OL Signal Output Timer (Pr. 157)152
User Group Selection (Pr. 160, Pr. 173 to Pr. 176)153
Watt-Hour Meter Clear/Actual Operation Hour Meter Clear (Pr. 170, Pr. 171)154
Input Terminal Function Selection (Pr. 180 to Pr. 186)154
Output Terminal Function Selection (Pr. 190 to Pr. 195)157
- User Initial Value Setting (Pr. 199)159
- Programmed Operation Function (Pr. 200 to Pr. 231)160
- Cooling Fan Operation Selection (Pr. 244)164
- Stop Selection (Pr. 250)165
- Power Failure-Time Deceleration-To-Stop Function (Pr. 261 to Pr. 266)167
- Stop-On-Contact, Load Torque High-Speed Frequency Selection (Pr. 270)169
- High-Speed Frequency Control (Pr. 271 to Pr. 274)170
  - Operation Example171
  - Z Stop on Contact (Pr. 275, Pr. 276)174
- Stop on Contact (Pr. 275, Pr. 276)175
- Brake Sequence Function (Pr. 278 to Pr. 285)177
- Droop Control (Pr. 286, Pr. 287)181
- Meter (Frequency Meter) Calibration (Pr. 900, Pr. 901)182
- Frequency Setting Voltage (Current) Bias and Gain (Pr. 902 to Pr. 905)184
- Buzzer Control (Pr. 990)186
Errors (Alarms)188
- Error (Alarm) Definitions188
- Correspondences between Digital and Actual Characters191
- Alarm Code Output192
- Resetting the Inverter192
Troubleshooting193
- Checking the Operation Panel Display at Alarm Stop193
- Faults and Check Points194
Precautions for Maintenance and Inspection196
- Check Items196
- Periodic Inspection196
- Insulation Resistance Test Using Megger197
- Pressure Test197
- Checking the Inverter and Converter Modules199
- Replacement of Parts200
- Inverter Replacement201
- Measurement of Main Circuit Voltages, Currents and Power202
Standard Specifications205
- Model Specifications205
- Common Specifications207
- Outline Drawings209
- Outline Drawing212
Option List214
- Stand-Alone Options214
- Inboard Dedicated Options216
- Appendix 1 Data Code List217
Appendix 1 Data Code List218
Appendix 2 List of Parameters Classified by Purposes of Use224
Appendix 3 Operating the Inverter Using a Single-Phase Power Supply225

Brand	Mitsubishi Electric
Model	FR-A520-0.4K -55K
Category	Inverter
Language	English

Mitsubishi Electric FR-A520-0.4K -55K User Manual

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Mitsubishi Electric FR-A520-0.4K -55K Specifications

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