8maintenance and inspection -1, 9specifications -1, 10 appendix -1 – Yaskawa Matrix Converter User Manual
Page 18
xvi
Speed fluctuation during Rotational Auto-Tuning in Flux Loop Vector ......................... 7-22
Motor Deceleration is Too Slow ................................................................................... 7-23
Motor Overheat ............................................................................................................ 7-23
Noise is Produced from an AM Radio or when the MxC is Started .............................. 7-24
Ground Fault Interrupter Operates while the MxC is Running ..................................... 7-24
Mechanical Oscillation.................................................................................................. 7-25
Torque Generated for the Motor is Insufficient (Insufficient Power).............................. 7-26
Motor Rotates Even When MxC Output is Stopped ..................................................... 7-26
OV or OC is Detected when the Fan is Started or Stalls .............................................. 7-26
Output Frequency does not Reach the Specified Frequency Reference ..................... 7-26
8
Maintenance and Inspection ..................................................8-1
Maintenance and Inspection ........................................................................ 8-2
Limited Warranty ............................................................................................................ 8-2
Daily Inspection .............................................................................................................. 8-2
Periodic Inspection ......................................................................................................... 8-2
Periodic Maintenance of Parts ....................................................................................... 8-3
Precautions when Replacing the Control Board (1PCB)................................................ 8-3
Types and Number of Cooling Fans Used in the MxC ................................................... 8-4
How to Replace the External Cooling Fan ..................................................................... 8-4
How to Remove or Install the Control-Circuit Terminal Board...................................... 8-15
9
Specifications ..........................................................................9-1
Standard MxC Specifications ....................................................................... 9-2
Specifications by Model.................................................................................................. 9-2
Common Specifications.................................................................................................. 9-3
Specifications for Options and Peripheral Devices ...................................... 9-5
10
Appendix ................................................................................10-1
MxC Control Methods ................................................................................ 10-2
Control Methods and Features..................................................................................... 10-2
Control Methods and Applications................................................................................ 10-4
MxC Application Precautions ..................................................................... 10-5
Selection....................................................................................................................... 10-5
Installation .................................................................................................................... 10-8
Settings ........................................................................................................................ 10-8
Handling ....................................................................................................................... 10-9
Motor Application Precautions ................................................................. 10-10
Using the MxC to Run an Existing Standard Motor .................................................... 10-10
Using the MxC for Motors other than Standard Yaskawa Motors............................... 10-11
Power Transmission Mechanism (Speed Reducers, Belts, and Chains) ................... 10-11