Parameter description
vacon • 44
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4
Figure 5. Start/Stop logic = 0.
Explanations:
Selection
number
Selection name
Note
0
Start sign 1: Start Forward
Start sign 2: Start Backward
The function takes place when the contacts are
closed.
1
Start sign 1 activates causing the output fre-
quency to rise. The motor runs forward.
8
Run enable signal is set to FALSE, which drops
the frequency to 0. The run enable signal is con-
figured with parameter P4.7.
2
Start sign 2 activates causing the motor drops to
0. Warning 55 appears on the keypad.
9
Run enable signal is set to TRUE, which causes
the frequency to rise towards the set frequency
because Start sign 1 is still active.
3
Start sign 1 is inactivated which causes the
direction to start changing (FWD to REV)
because Start sign 2 is still active.
10
Keypad stop button is pressed and the frequency
fed to the motor drops to 0. (This signal only
works if P2.22 Keypad stop button = 1)
4
Start sign 2 inactivates and the frequency fed to
the motor drops to 0.
11
Pushing the Start button on the keypad has no
effect on the drive status.
5
Start sign 2 activates again causing the motor to
accelerate (REV) towards the set frequency.
12
The keypad stop button is pushed again to stop
the drive.
6
Start sign 2 inactivates and the frequency fed to
the motor drops to 0.
13
The attempt to start the drive through pushing
the Start button is not successful even if Start
sign 1 is inactive.
7
Start sign 1 activates and the motor accelerates
(FWD) towards the set frequency
t
Output
frequency
FWD
REV
Start sgn 2
Start sgn 1
Run enable
Set frequency
Set frequency
0 Hz
Keypad Stop
button
Keypad Start
button
1
2
3
4
5
6
7
8
9
10
11
12
13
Содержание 20 CP/X
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Страница 16: ...vacon 13 Solar pump Application 2 ...
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