7troubleshooting -1 – Yaskawa G7 Drive User Manual

Page 12

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Monitor Parameterss ..................................................................................6-79

Using the Analog Monitor Parameters..........................................................................6-79

Using Pulse Train Monitor Contents .............................................................................6-82

Individual Functions....................................................................................6-84

Using MODBUS Communications ................................................................................6-84

Using the Timer Function..............................................................................................6-97

Using PID Control .........................................................................................................6-98

Energy-saving.............................................................................................................6-107

Setting Motor Parameters...........................................................................................6-108

Setting the V/f Pattern.................................................................................................6-111

Torque Control............................................................................................................6-120

Speed Control (ASR) Structure...................................................................................6-128

Droop Control Function...............................................................................................6-134

Zero-servo Function....................................................................................................6-135

Digital Operator Functions........................................................................6-139

Setting Digital Operator Functions..............................................................................6-139

Copying Parameters ...................................................................................................6-143

Prohibiting Writing Parameters from the Digital Operator...........................................6-148

Setting a Password.....................................................................................................6-149

Displaying User-set Parameters Only.........................................................................6-149

Options .....................................................................................................6-151

Performing Speed Control with PG.............................................................................6-151

Using Digital Output Cards .........................................................................................6-156

Using an Analog Reference Card ...............................................................................6-159

Using a Digital Reference Card ..................................................................................6-159

Troubleshooting ..................................................................... 7-1

Protective and Diagnostic Functions ............................................................7-2

Fault Detection................................................................................................................7-2

Alarm Detection ..............................................................................................................7-9

Operation Errors ...........................................................................................................7-13

Errors During Autotuning .............................................................................................7-15

Errors when Using the Digital Operator Copy Function................................................7-17

Troubleshooting ..........................................................................................7-18

If Parameters Cannot Be Set........................................................................................7-18

If the Motor Does Not Operate......................................................................................7-19

If the Direction of the Motor Rotation is Reversed ........................................................7-21

If the Motor Does Not Put Out Torque or If Acceleration is Slow ..................................7-21

If the Motor Operates Higher Than the Reference .......................................................7-22

If the Slip Compensation Function Has Low Speed Precision......................................7-22

If There is Low Speed Control Accuracy at High-speed Rotation in Open-loop Vector
Control Mode ................................................................................................................7-22