Yaskawa G7 Drive - Manual (Page 13)

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‹ If Motor Deceleration is Slow........................................................................................ 7-23
‹ If the Motor Overheats.................................................................................................. 7-24
‹ If There is Noise When the Drive is Started or From an AM Radio .............................. 7-24
‹ If the Ground Fault Interrupter Operates When the Drive is Run ................................. 7-25
‹ If There is Mechanical Oscillation................................................................................. 7-25
‹ If the Motor Rotates Even When Drive Output is Stopped ........................................... 7-26
‹ If 0 V is Detected When the Fan is Started, or Fan Stalls............................................. 7-26
‹ If Output Frequency Does Not Rise to Frequency Reference...................................... 7-27
8 Maintenance and Inspection ..................................................8-1
Maintenance and Inspection ........................................................................ 8-2
‹ Outline of Maintenance .................................................................................................. 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 Drive Specifications ...................................................................... 9-2
‹ Specifications by Model.................................................................................................. 9-2
‹ Common Specifications.................................................................................................. 9-4
Specifications of Options and Peripheral Devices........................................ 9-5
10 Appendix ................................................................................10-1
Varispeed G7 Control Modes ..................................................................... 10-2
‹ Control Modes and Features........................................................................................ 10-2
‹ Control Modes and Applications................................................................................... 10-6
Drive Application Precautions .................................................................... 10-7
‹ Selection....................................................................................................................... 10-7
‹ Installation .................................................................................................................... 10-8
‹ Settings ........................................................................................................................ 10-8
‹ Handling ....................................................................................................................... 10-9
Motor Application Precautions ................................................................. 10-10
‹ Using the Drive for an Existing Standard Motor ......................................................... 10-10
‹ Using the Drive for Special Motors ............................................................................. 10-11
‹ Power Transmission Mechanism (Speed Reducers, Belts, and Chains) ................... 10-11
Conformance to CE Markings .................................................................. 10-12
‹ CE Markings............................................................................................................... 10-12
‹ Requirements for Conformance to CE Markings........................................................ 10-12
User Parameters ...................................................................................... 10-19