Mitsubishi Electric 800 Series Instruction Manual page 6

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2.11.2
Connection of the brake unit (FR-BU) ............................................................................................................64
2.11.3
Connection of the brake unit (BU type)...........................................................................................................65
2.11.4
Connection of the high power factor converter (FR-HC2) ..............................................................................66
2.11.5
Connection of the multifunction regeneration converter (FR-XC)...................................................................67
2.11.6
Connection of the power regeneration common converter (FR-CV) ..............................................................71
2.11.7
Connection of the power regeneration converter (MT-RC).............................................................................72
2.12 Installing a communication option
3 PRECAUTIONS FOR USE OF THE INVERTER
3.1
Electro-magnetic interference (EMI) and leakage currents
3.1.1
Leakage currents and countermeasures ........................................................................................................76
3.1.2
Countermeasures against inverter-generated EMI.........................................................................................78
3.1.3
Built-in EMC filter ............................................................................................................................................80
3.2
Power supply harmonics
3.2.1
Power supply harmonics.................................................................................................................................82
3.2.2
Harmonic suppression guidelines in Japan ....................................................................................................83
3.3
Installation of a reactor
3.4
Power-OFF and magnetic contactor (MC)
3.5
Countermeasures against deterioration of the 400 V class motor insulation
3.6
Checklist before starting operation
3.7
Failsafe system which uses the inverter
4 PROTECTIVE FUNCTIONS
4.1
Inverter fault and alarm indications
4.2
Reset method for the protective functions
4.3
Fault history and the list of fault displays
5 PRECAUTIONS FOR MAINTENANCE AND
INSPECTION
5.1
Inspection item
5.1.1
Daily inspection...............................................................................................................................................98
5.1.2
Periodic inspection..........................................................................................................................................98
5.1.3
Daily and periodic inspection ..........................................................................................................................99
5.1.4
Checking the inverter and converter modules ..............................................................................................101
5.1.5
Cleaning........................................................................................................................................................101
5.1.6
Replacement of parts....................................................................................................................................102
5.1.7
Removal and reinstallation of the control circuit terminal block ....................................................................121
5.2
Measurement of main circuit voltages, currents and powers
73
75
76
82
85
86
87
88
91
93
94
94
95
97
98
123
5
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