Chapter 4 - Operation
4-13
2) Sensorless vector control
Related parameters for starting in Sensorless vector control when FU2-60 [Control Mode Selection] is set to
Sensorless.
Parameter Name Code Description
FU2-64 Pre-excitation time setting
When starting
I/O-20~27 Programmable Digital Input terminals define
3) Parameters to monitor motor and inverter status
Parameter Name Code Description
Output current/
motor speed
DRV-8~9 Displays output current and motor rpm.
DC link voltage DRV-10 Displays DC link voltage.
User display selection
(Voltage and watt)
DRV-11
FU2-81
Either output voltage or power selected in FU2-81 is
displayed in DRV-11.
Fault display DRV-12 Displays the current inverter fault.
TAR / OUT
Freq. display
DRV-14
Displays Target freq. for Accel/Decel & Output freq
during Accel/Decel.
REF/FBK display DRV-15 Displays PID Reference/ Feedback frequency display.
Speed (Hz / Rpm)
selection
DRV-16 Selects inverter output speed unit [Hz or Rpm]
PID parameter DRV-18 Displays related parameters of PID controller.
AD parameter DRV-19 Displays inverter analog input value to AD value.
EXT - PID parameter DRV-20
Displays related parameters of EXT–PID controller.
Note) DRV-15, DRV-18 only displayed when APP-02 [proc PI mode] is set to “Yes.” DRV-20 only
displayed when APP-80 [Ext PI mode] is set to “Yes.”
5) Parameter initialize
Parameter Name Code Description
Software version FU2-82 Displays the inverter software version.
Parameter
Read/Write/Initialize/
Lock
FU2-91
FU2-92
FU2-93
FU2-94
FU2-95
[FU2-91], [FU2-92]: Copying parameters from other
inverter
[FU2-93]: Initializing parameters to factory setting values
[FU2-94]: Parameter write disabled
[FU2-95]: Parameter save
Note: Motor parameters (FU2-40~46, FU2-62~63) returned to factory setting once Parameter Read/Write is
executed.