xi
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
7 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
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