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CONTENTS
5.6.3 Gain adjustment of current controllers for the d axis and the q axis ........................................................... 255
5.7 (E) Environment setting parameters 256
5.7.1 Real time clock function ............................................................................................................................... 257
5.7.2 Reset selection/disconnected PU detection/PU stop selection .................................................................... 259
5.7.3 PU display language selection ..................................................................................................................... 261
5.7.4 Buzzer control .............................................................................................................................................. 261
5.7.5 PU contrast adjustment ................................................................................................................................ 261
5.7.6 Display-off mode .......................................................................................................................................... 262
5.7.7 Resetting USB host errors............................................................................................................................ 262
5.7.8 Setting dial potentiometer mode/key lock operation selection ..................................................................... 263
5.7.9 Frequency change increment amount setting .............................................................................................. 264
5.7.10 Multiple rating setting ................................................................................................................................... 265
5.7.11 Using the power supply exceeding 480V ..................................................................................................... 266
5.7.12 Parameter write selection............................................................................................................................. 267
5.7.13 Password function ........................................................................................................................................ 269
5.7.14 Free parameter............................................................................................................................................. 271
5.7.15 Setting multiple parameters as a batch ........................................................................................................ 271
5.7.16 Extended parameter display and user group function.................................................................................. 275
5.7.17 PWM carrier frequency and Soft-PWM control ............................................................................................ 277
5.7.18 Inverter parts life display .............................................................................................................................. 278
5.7.19 Maintenance timer alarm.............................................................................................................................. 282
5.7.20 Current average value monitor signal .......................................................................................................... 283
5.8 (F) Setting of acceleration/deceleration time and acceleration/deceleration pattern 285
5.8.1 Setting the acceleration and deceleration time ............................................................................................ 285
5.8.2 Acceleration/deceleration pattern................................................................................................................. 290
5.8.3 Remote setting function................................................................................................................................ 295
5.8.4 Starting frequency and start-time hold function ........................................................................................... 298
5.8.5 Minimum motor speed frequency and hold function at the motor start up .................................................. 299
5.8.6 Shortest acceleration/deceleration and optimum acceleration/deceleration (automatic acceleration/
deceleration)................................................................................................................................................. 300
5.8.7 Lift operation (automatic acceleration/deceleration) .................................................................................... 303
5.9 (D) Operation command and frequency command 305
5.9.1 Operation mode selection ............................................................................................................................ 306
5.9.2 Startup in Network operation mode at power-ON ........................................................................................ 315
5.9.3 Start command source and frequency command source during communication operation......................... 316
5.9.4 Reverse rotation prevention selection .......................................................................................................... 323
5.9.5 Frequency setting via pulse train input......................................................................................................... 324
5.9.6 JOG operation.............................................................................................................................................. 327
5.9.7 Operation by multi-speed setting.................................................................................................................. 328
5.10 (H) Protective function parameter 330
5.10.1 Motor overheat protection (electronic thermal O/L relay) ............................................................................. 331
5.10.2 Fault definition .............................................................................................................................................. 339
5.10.3 Cooling fan operation selection .................................................................................................................... 340
5.10.4 Earth (ground) fault detection at start .......................................................................................................... 341
5.10.5 Varying the activation level of the undervoltage protective function............................................................. 341
5.10.6 Initiating a protective function....................................................................................................................... 342
5.10.7 I/O phase loss protection selection .............................................................................................................. 342
5.10.8 Retry function ............................................................................................................................................... 343
5.10.9 Limiting the output frequency (maximum/minimum frequency).................................................................... 345
5.10.10 Avoiding the mechanical resonance points (frequency jump) ...................................................................... 346
5.10.11 Stall prevention operation ............................................................................................................................ 348
5.10.12 Motor overspeeding detection ...................................................................................................................... 355
5.11 (M) Monitor display and monitor output signal 356
5.11.1 Speed display and rotations per minute setting ........................................................................................... 357
5.11.2 Monitor indicator selection using operation panel or via communication ..................................................... 359
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