Vacon 100 hvac Applications Manual page 122

VACON · 122
12. CS1 becomes inactive and the frequency
that is fed to the motor goes to 0.
Selection
number
CS1 = Start
3
CS2 = Reverse
FWD
Output
frequency
Set
frequency
0 Hz
Set
frequency
REV
Run enable
Ctrl signal 1
Ctrl signal 2
Keypad start
button
Keypad stop
button
Fig. 18: I/O A Start/stop logic = 3
1. Control signal (CS) 1 activates and
causes the output frequency to increase.
The motor operates forward.
2. CS2 activates and causes the direction to
start to change (FWD to REV).
3. CS2 becomes inactive, which causes the
direction to start to change (REV to
FWD), because CS1 is still active.
4. CS1 becomes inactive and the frequency
goes to 0.
5. CS2 activates, but the motor does not
start because CS1 is inactive.
10
Selection name
1 2 3 4
5
Description
6 7 8 9
6. CS1 activates and causes the output
frequency to increase again. The motor
operates forward because CS2 is
inactive.
7. The Run enable signal is set to OPEN,
which causes the frequency to go to 0.
Configure the Run enable signal with
parameter P3.5.1.10.
8. The Run enable signal is set to CLOSED,
which causes the frequency to increase
to the set frequency, because CS1 is still
active.
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PARAMETER DESCRIPTIONS
t
10 11 12