69
DRIVE THE MOTOR
3
Make a start and stop with terminals (External operation)
3.5.5 Setting the frequency by analog input (current input)
POINT
Switch terminal STF(STR)-SD ON to give a start command.
Frequency command is given by current input (across terminals 4 and 5.)
Set "4" in any of Pr. 178 to Pr. 182 (input terminal function selection) and turn the AU signal ON. (Refer to page 60)
Pr. 178 to Pr. 182 are extended parameters. Set "0" in Pr. 160. (Refer to page 74)
Set "2" (External operation mode) in Pr. 79 Operation mode selection .
[Connection diagram]
Operation Display
1.
Screen at powering ON
The monitor display appears.
2. Start
Turn the start switch (STF or STR) ON.
[RUN] flickers fast because the frequency
command is not given.
3. Acceleration constant speed
Perform 20mA input.
The frequency value on the display increases
according to Pr. 7 Acceleration time until
" " (60.00Hz) is displayed.
[RUN] display is lit during forward rotation
operation and flickers slowly during reverse
rotation operation.
4. Deceleration
Perform 4mA input.
The frequency value on the
display
decreases
according to
Pr. 8 Deceleration time
until
""
(0.00Hz)
is displayed,
and the motor is stopped.
[RUN] flickers fast.
5. Stop
Turn the start switch (STF or STR) OFF.
[RUN] turns OFF.
Inverter
5(-)
4(+)
SD
AU signal (terminal RH)
AU signal
Forward rotation start
Reverse rotation start
STF
STR
Current signal
source
(4 to 20mADC)
ON
Forward
rotation
Reverse
rotation
ON
Flickering
Current signal
source
(4 to 20mADC)
Current signal
source
(4 to 20mADC)
Flickering
Stop
Forward
rotation
Reverse
rotation
OFF
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