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Start and stop using terminals (External operation)
5.2 Start and stop using terminals (External operation)
5.2.1 Setting the frequency by the operation panel (Pr. 79 = 3)
POINT
From where is the frequency command given?
y Operation at the frequency set in the frequency setting mode of the operation panel Refer to 5.2.1 (Refer to page 25)
y Give a frequency command by switch (multi-speed setting) Refer to 5.2.2 (Refer to page 26)
y Perform frequency setting by a voltage input signal Refer to 5.2.3 (Refer to page 27)
y Perform frequency setting by a current input signal Refer to 5.2.3 (Refer to page 27)
POINT
y Switch ON the STF(STR) signal to give a start command.
y Use the operation panel ( ) to give a frequency command.
y Set "3" (External/PU combined operation mode 1) in Pr. 79.
Operation example Operate at 30Hz.
Operation
1.
Screen at power-ON
The monitor display appears.
2.
Easy operation mode setting
Press and for 0.5s. " " appears, and the [PRM] indicator flickers.
3.
Operation mode selection
Turn until " " appears. [EXT] and [PRM] indicators flicker.
4.
Operation mode setting
Press to enter the setting. (Set "3" in Pr. 79.)
" " and " " flicker alternately. [PU] and [EXT] indicators are lit.
5.
Frequency setting
Turn to show the frequency " " you want to set. The frequency flickers for about 5s. While the value is flickering,
press to set the frequency. " " and " " flicker alternately. After about 3s of flickering, the indication of the value
goes back to " " (monitor display). (If is not pressed, the indication of the value goes back to " " (0.00Hz)
after about 5s of flickering. In that case, turn again, and set the frequency.)
6.
Start Æ acceleration Æ constant speed
Turn the start switch (STF or STR) ON.
The frequency value on the display increases in Pr. 7 Acceleration time, and " " (30.00Hz) appears.
[RUN] indicator is lit during forward rotation operation and flickers during reverse rotation operation.
(To change the set frequency, perform the operation in above step 5. Starting from the previously set frequency.)
7.
Deceleration Æ stop
Turn OFF the start switch (STF or STR). The frequency value on the display decreases in Pr. 8 Deceleration time, and the motor
stops rotating with " " (0.00Hz) displayed. [RUN] turns OFF.
SD
STF
STR
Inverter
Operation
panel
Forward rotation start
Reverse rotation start
[Connection diagram]