26
5.4.4 F30 The display gain / offset automatic adjustment mode of D.C. voltage
The display gain /offset of D.C.
voltage (Vdc) is adjusted in semiautomatic. (The display gain /offset
automatic adjustment mode of D.C. voltage is possible only at 400Vseries.)
F30 setting mode is the mode
for stopping and starting automatic adjustment. In addition,
in order to adjust automatically, the
equipment for carrying out variable of the impressed electromotive force is required.
(Since it is
adjusted at the time of shipment, it is not necessary to readjust Display gain /offset of D.C. voltage)
Table 5.6
F30 set-up items
No. Set-up items
Set-up range
Initial value
1
Automatic calculation of Vdc is possible.
cc0:
Automatic calculation stop
cc1: Automatic calculation start
cc0
2
Vdc automatic calculation (Low level)
3
Vdc automatic calculation (High level)
○
Automatic calculation
The procedure of automatic calculation is shown in the following.
If the power supply of an inverter is turned ON, D.C. voltage will be
displayed on the display for indication of DB unit. Check that
LED"RUN" is not on and push the "FNC/SET" button.
LED"FNC/SET" lights up and "F10" setting mode is displayed. "UP"
button is pushed
2 times
and changed into "F30" setting mode.
"F30" set-up mode is displayed. "FNC/SET" button is pushed once
and it switches to set-up item "Automatic calculation of Vdc is
possible."
Summary of Contents for VFDB2009 Series
Page 1: ...VFDB2009 Operation Manual...
