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Selection of operation mode and
operation location
4
PARAMETERS
4.19.3 Setting the frequency by the operation panel (Pr. 79 = 3)
[Connection diagram]
Operation cannot be performed at the set frequency ... Why?
Did you carry out step 4 within 5s after step 3? (Did you press within 5s after turning ?)
The frequency does not change by turning ... Why?
Check to see if the operation mode selected is the External operation mode. (Press to change to
the PU operation mode.)
Operation does not change to the PU operation mode ... Why?
Check that "0" (initial value) is set in Pr. 79 Operation mode selection.
Check that the start command is not on.
Change acceleration time Pr. 7 (Refer to page 109)
Change deceleration time Pr. 8 (Refer to page 109)
For example, limit the motor speed to 60Hz maximum. Set "60Hz" in Pr. 1. (Refer to page 96)
REMARKS
· Press to show the set frequency.
· can also be used like a potentiometer to perform operation. (Refer to page 297)
POINT
· Switch ON the STF (STR) signal to give a start command.
· Use ( ) on the operation panel (FR-DU07) to give a frequency command.
· Set "3" (External/PU combination operation mode 1) in Pr. 79 Operation mode selection.
Operation example
Performing operation at 30Hz.
Operation Display
1. Screen at power-ON
The monitor display appears.
2. Operation mode setting
Set "3" in Pr.79.
[PU] indicator and [EXT] indicator are lit.
(To change the set value, refer to page 62)
Operation panel
(FR-DU07)
SD
STF
STR
Forward rotation
start
Reverse rotation
start
Inverter