8maintenance and inspection -1, 9specifications -1, 10 appendix -1 – Yaskawa G7 Drive User Manual

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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

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

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