Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual page 9

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User initial value setting (Pr. 199) .........................................................................................................................146
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Programmed operation function (Pr. 200 to Pr. 231) ............................................................................................147
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Cooling fan operation selection (Pr. 244) ..............................................................................................................151
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Stop selection (Pr. 250).........................................................................................................................................152
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Power failure-time deceleration-to-stop function (Pr. 261 to Pr. 266) ...................................................................154
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Stop-on-contact, load torque high-speed frequency selection (Pr. 270) ......................................................... ......156
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High-speed frequency control (Pr. 271 to Pr. 274)................................................................................................157
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Stop on contact (Pr. 275, Pr. 276).........................................................................................................................161
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Brake sequence function (Pr. 278 to Pr. 285) .......................................................................................................164
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Droop control (Pr. 286, Pr. 287) ............................................................................................................................168
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Meter (frequency meter) calibration (Pr. 900, Pr. 901) ..........................................................................................169
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Frequency setting voltage (current) bias and gain (Pr. 902 to Pr. 905).................................................................171
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Buzzer control (Pr. 990) ........................................................................................................................................173
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5.1 Errors (alarms).......................................................................................................................................................174
5.1.1 Error (alarm) definitions ..................................................................................................................................174
5.1.2 Correspondences between digital and actual characters ..................................................................... ..........177
5.1.3 Alarm code output...........................................................................................................................................178
5.1.4 Resetting the inverter......................................................................................................................................178
5.2 Troubleshooting .....................................................................................................................................................179
5.2.1 Checking the operation panel display at alarm stop ........................................................................ ...............179
5.2.2 Faults and check points ..................................................................................................................................180
5.3 Precautions for Maintenance and Inspection.........................................................................................................182
5.3.1 Precautions for maintenance and inspection..................................................................................................182
5.3.2 Check items ....................................................................................................................................................182
5.3.3 Periodic inspection..........................................................................................................................................182
5.3.4 Insulation resistance test using megger .........................................................................................................183
5.3.5 Pressure test...................................................................................................................................................183
5.3.6 Replacement of parts......................................................................................................................................186
5.3.7 Inverter replacement.......................................................................................................................................187
5.3.8 Measurement of main circuit voltages, currents and power.................................................................. ..........188
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6.1 Standard Specifications .........................................................................................................................................190
6.1.1 Model specifications .......................................................................................................................................190
6.1.2 Common specifications...................................................................................................................................192
6.1.3 Outline drawings .............................................................................................................................................194
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7.1 Option List..............................................................................................................................................................198
7.1.1 Stand-alone options........................................................................................................................................198
7.1.2 Inboard dedicated options ..............................................................................................................................200
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Appendix 1 Data Code List ..........................................................................................................................................201
Appendix 2 List of Parameters Classified by Purposes of Use....................................................................................207
Appendix 3 Operating the Inverter Using a Single-Phase Power Supply ....................................................................208
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