Vacon 100 INDUSTRIAL Applications Manual - page 58
VACON HVAC Drive Application
vacon • 56
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3
3.3.12
P
RESET
FREQUENCY
MODE
You can use the preset frequency parameters to define certain frequency references in ad-
vance. These references are then applied by activating/inactivating digital inputs connected to
parameters P3.5.1.21, P3.5.1.22 and P3.5.1.23 ((
Preset frequency selection B0, Preset fre-
quency selection B1
and
Preset frequency selection B2
). Two different logics can be selected:
3.3.13
TO
3.3.20
P
RESET
FREQUENCIES
1
TO
7
The values of the preset frequencies are automatically limited between the minimum and max-
imum frequencies (P3.3.1 and P3.3.2). See table below.
Table 47. Selection of preset frequencies;
= input activated
3.5.1.11
R
UN
ENABLE
Contact open:
Start of motor disabled
Contact closed: Start of motor enabled
The frequency converter is stopped according to the selected function at P3.2.4. The follower
drive will always coast to stop.
3.5.1.12
R
UN
INTERLOCK
1
3.5.1.13
R
UN
INTERLOCK
2
The drive cannot be started if any of the interlocks are open.
The function could be used for a damper interlock, preventing the drive to start with damper
closed.
Selection
number
Selection name
Note
0
Binary coded
Combine activated inputs according to Table 47 to choose
the Preset frequency needed.
1
Number (of inputs
used)
According to how many of the inputs assigned for
Preset
frequency selections
are active you can apply the
Preset
frequencies
1 to 3.
Required action
Activated frequency
Choose value 0 for param-
Preset frequency 0
B2
B1
B0
Preset frequency 1
B2
B1
B0
Preset frequency 2
B2
B1
B0
Preset frequency 3
B2
B1
B0
Preset frequency 4
B2
B1
B0
Preset frequency 5
B2
B1
B0
Preset frequency 6
B2
B1
B0
Preset frequency 7