Table Of Contents - Mitsubishi Electric FR-A720-00030-NA Instruction Manual

Table of Contents

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1
OUTLINE
1.1
Product checking and parts identification ........................................................ 2
1.2
Inverter and peripheral devices .......................................................................... 3
1.2.1
Peripheral devices ..................................................................................................................... 4
1.3
Method of removal and reinstallation of the front cover.................................. 6
1.4
Installation of the inverter and enclosure design ............................................. 8
1.4.1
Inverter installation environment................................................................................................ 8
1.4.2
Cooling system types for inverter enclosure............................................................................ 10
1.4.3
Inverter placement ................................................................................................................... 10
2
2.1
Wiring.................................................................................................................. 14
2.1.1
Terminal connection diagram .................................................................................................. 14
2.1.2
EMC filter ................................................................................................................................. 15
2.2
Main circuit terminal specifications ................................................................. 16
2.2.1
Specification of main circuit terminal ....................................................................................... 16
2.2.2
2.2.3
Cables and wiring length ......................................................................................................... 20
2.2.4
to the power supply ................................................................................................................. 24
2.3
Control circuit specifications ........................................................................... 26
2.3.1
Control circuit terminals ........................................................................................................... 26
2.3.2
Changing the control logic ....................................................................................................... 29
2.3.3
Wiring of control circuit ............................................................................................................ 31
2.3.4
Wiring instructions ................................................................................................................... 32
2.3.5
Mounting the operation panel (FR-DU07) on the enclosure surface ....................................... 33
2.3.6
Communication operation........................................................................................................ 33
2.4
Connection of motor with encoder (vector control) ....................................... 34
2.5
Connection of stand-alone option units .......................................................... 41
2.5.1
Connection of the dedicated external brake resistor (FR-ABR) .............................................. 41
2.5.2
Connection of the brake unit (FR-BU2) ................................................................................... 43
2.5.3
Connection of the brake unit (FR-BU/MT-BU5) ....................................................................... 45
2.5.4
Connection of the brake unit (BU type) ................................................................................... 47
2.5.5
Connection of the high power factor converter (FR-HC/MT-HC)............................................. 47
2.5.6
Connection of the power regeneration common converter (FR-CV) ....................................... 49
2.5.7
Connection of power regeneration converter (MT-RC) ........................................................... 50
2.5.8
Connection of the power factor improving DC reactor (FR-HEL) ............................................ 50
CONTENTS
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13
I

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