Instruction manual

I
CONTENTS
1 OUTLINE 1
1.1 Product checking and parts identification ......................................... 2
1.2 Inverter and peripheral devices .......................................................... 3
1.2.1 Peripheral devices .......................................................................................................................... 4
1.3 Removal and reinstallation of the cover............................................. 5
1.3.1 Front cover ..................................................................................................................................... 5
1.3.2 Wiring cover.................................................................................................................................... 7
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........................................................................................................................ 11
2 WIRING 13
2.1 Wiring ................................................................................................. 14
2.1.1 Terminal connection diagram ....................................................................................................... 14
2.2 Main circuit terminal specifications ................................................. 15
2.2.1 Specification of main circuit terminal ............................................................................................ 15
2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motor wiring .............. 15
2.2.3 Cables and wiring length .............................................................................................................. 17
2.3 Control circuit specifications ........................................................... 20
2.3.1 Control circuit terminal.................................................................................................................. 20
2.3.2 Wiring of control circuit ................................................................................................................. 21
2.3.3 Connecting the 24V external power supply .................................................................................. 23
2.3.4 Safety stop function ..................................................................................................................... 24
2.4 Connection of stand-alone option unit.............................................. 26
2.4.1 Connection of a dedicated external brake resistor (MRS type, MYS type, FR-ABR)
(0.4K or higher)............................................................................................................................ 26
2.4.2 Connection of the brake unit (FR-BU2) ........................................................................................ 28
2.4.3 Connection of the DC reactor (FR-HEL)....................................................................................... 29
3 PRECAUTIONS FOR USE OF THE INVERTER 31
3.1 EMC and leakage currents ................................................................ 32
3.1.1 Leakage currents and countermeasures ...................................................................................... 32
3.1.2 EMC measures............................................................................................................................. 34
3.1.3 Power supply harmonics .............................................................................................................. 36
3.1.4 Harmonic Suppression Guidelines in Japan................................................................................. 37
CONTENTS