User manual

1 2 3 4 5 6 7 8 9
10 11
t
Outp ut
frequerty
0Hz
Set
frequerty
Set
frequerty
REV
FWD
Run enable
Ctrl signal 1
Ctrl signal 2
Keypad
stop button
parameter descriptions vacon • 111
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9
Figure 9.8: Start/Stop logic, selection 4
Selection
number
Selection name Note
4
CS1:Start(edge)
CS2:Reverse
Shall be used to exclude the possibility of an unin-
tentional start. The Start / Stop contact must be
opened before the motor can be restarted.
Explanations:
1 Control signal (CS) 1 actives causing the
output frequency to rise. The motor runs
forward because CS2 is inactive..
7 Run enable signal is set to FALSE, which
drops the frequency to 0.The run enable
signal is configured with par. 5.7.
2 CS2 activates which causes the direction
to start changing (FWD to REV).
8 Before a successful start can take place,
CS1 must be opened and closed again.
3 CS2 is inactivated which causes the
direction to start changing (REV to FWD)
because CS1 is still active.
9 Keypad stop button is pressed and the
frequency fed to the motor drops to
0.(This signal only works if Par.2.7 [Key-
pad stop button] = 1)
4 Also CS1 inactivates and the frequency
drops to 0.
10 Before a successful start can take place,
CS1 must be opened and closed again.
5 Despite the activation of CS2, the motor
does not start because CS1 is inactive.
11 CS1 inactivates and the frequency drops
to 0.
6 CS1 activates causing the output fre-
quency to rise again. The motor runs
forward because CS2 is inactive.