Vacon 100 hvac Applications Manual page 128

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VACON · 128
4. The Run enable signal is set to OPEN,
which causes the frequency to go to 0.
Configure the Run enable signal with
parameter 3.5.1.10.
5. The start attempt with CS1 is not
successful, because the Run enable
signal is still OPEN.
6. CS1 activates and the motor accelerates
(FWD) to the set frequency, because the
Run enable signal was set to CLOSED.
Selection
number
CS1 = Forward (edge)
2
CS2 = Backward (edge)
FWD
Output
frequency
Set
frequency
0 Hz
Set
frequency
REV
Run enable
Ctrl signal 1
Ctrl signal 2
Keypad stop
button
1
Fig. 16: I/O A Start/stop logic = 2
1. Control signal (CS) 1 activates and
causes the output frequency to increase.
The motor operates forward.
2. CS2 activates, but it does not have an
effect on the output frequency, because
the direction that is set first has the
highest priority.
9
Selection name
Use this function to prevent an accidental start. Before you
can start the motor again, you must open the start/stop con-
tact.
2
3
4
5
7. The STOP button on the keypad is
pushed, and the frequency that is fed to
the motor goes to 0. (This signal only
works if the value of P3.2.3 Keypad Stop
Button is Yes.)
8. CS1 activates and causes the output
frequency to increase again. The motor
operates forward.
9. CS2 becomes inactive and causes the
frequency to go to 0.
Description
6
7
8
9
3. CS1 is becomes inactive and causes the
direction to start to change (FWD to
REV), because CS2 is still active.
4. CS2 becomes inactive and the frequency
that is fed to the motor goes to 0.
TEL. +358 (0)201 2121 · FAX +358 (0)201 212 205
PARAMETER DESCRIPTIONS
t
10
11
12

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