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If Parameters Cannot Be Set........................................................................................ 7-12
If the Motor Does Not Operate......................................................................................7-13
If the Direction of the Motor Rotation is Reversed ........................................................ 7-14
If the Motor Does Not Put Out Torque or If Acceleration Is Slow.................................. 7-15
If the Motor Operates Higher Than the Reference ....................................................... 7-15
If Motor Deceleration Is Slow........................................................................................ 7-15
If the Motor Overheats .................................................................................................. 7-16
If peripheral devices are influenced by starting the Inverter .........................................7-16
If the Ground Fault Interrupter Operates When the Inverter Is Run ............................. 7-17
If There Is Mechanical Oscillation.................................................................................7-17
If the Motor Rotates Even When Inverter Output Is Stopped .......................................7-17
If 0 V Is Detected When the Fan Is Started, or the Fan Stalls ...................................... 7-18
If Output Frequency Does Not Rise to Frequency Reference ...................................... 7-18
8
Maintenance and Inspection.................................................. 8-1
Maintenance and Inspection.........................................................................8-2
Daily Inspection .............................................................................................................. 8-2
Periodic Inspection ......................................................................................................... 8-2
Periodic Maintenance of Parts........................................................................................ 8-3
Cooling Fan Replacement Outline.................................................................................. 8-4
Removing and Mounting the Control Circuit Terminal Card ........................................... 8-6
9
Specifications ......................................................................... 9-1
Standard Inverter Specifications...................................................................9-2
Specifications by Model .................................................................................................. 9-2
Common Specifications .................................................................................................. 9-5
Specifications of Options and Peripheral Devices........................................9-6
Options and Peripheral Devices ...................................................................9-7
Special Mounted Options................................................................................................ 9-9
Separately Installed Options.........................................................................................9-10
10
Inverter application Precautionspendix ............................. 10-1
Selection .......................................................................................................................10-2
Installation.....................................................................................................................10-3
Settings.........................................................................................................................10-3
Handling........................................................................................................................ 10-4
Motor Application Precautions....................................................................10-5
Using the Inverter for an Existing Standard Motor........................................................ 10-5
Using the Inverter for Special Motors ........................................................................... 10-6
Power Transmission Mechanism (Speed Reducers, Belts, and Chains)......................10-6
Wiring Examples.........................................................................................10-7
Using a Braking Resistor Unit.......................................................................................10-7
Using a Braking Unit and Braking Resistor Unit ...........................................................10-7
Using a Braking Unit and Three Braking Resistor Units in Parallel ..............................10-9