Specifications

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