Application functions 400-427
In this parameter group,
the special functions the
frequency converter are
set up, e.g. PID regula-
tion,
setting of the feedback range and the Setup of the
Sleep mode function.
Additionally, this parameter group includes:
-
Reset function.
-
Flying start.
-
Option of interference reduction method.
-
Setup of any function upon loss of load,
e.g.because of a damaged V-belt.
-
Setting of switching frequency.
-
Selection of process units.
400
Reset function
(RESET FUNCTIO)
Value:
Manual reset (MANUAL RESET)
[0]
Automatic reset x 1 (AUTOMATIC X 1)
[1]
Automatic reset x 2 (AUTOMATIC X 2)
[2]
Automatic reset x 3 (AUTOMATIC X 3)
[3]
Automatic reset x 4 (AUTOMATIC X 4)
[4]
Automatic reset x 5 (AUTOMATIC X 5)
[5]
Automatic reset x 10 (AUTOMATIC X 10)
[6]
Automatic reset x 15 (AUTOMATIC X 15)
[7]
Automatic reset x 20 (AUTOMATIC X 20)
[8]
Infinite automatic reset (INFINITE AUTOMAT-
IC)
[9]
Function:
This parameter allows a choice of whether to reset and
restart manually after a trip, or whether the frequency
converter is to be reset and restarted automatically. In
addition, there is a choice of the number of times the
unit is to attempt a restart. The time between each re-
set attempt is set in parameter 401,
Automatic restart
time
.
Description of choice:
If Manual reset [0] is selected, resetting must be ef-
fected via the "Reset" key or via a digital input. If the
frequency converter is to carry out an automatic reset
and restart after a trip, select data value [1]-[9].
The motor may start without warning.
401
Automatic restart time
(AUTORESTART TIME)
Value:
0 - 1800 sec.
10 sec.
Function:
This parameter allows setting of the time from tripping
until the automatic reset function begins. It is assumed
that automatic reset has been selected in parameter
400
Reset
function.
Description of choice:
Set the desired time.
402
Flying start
(FLYING START)
Value:
Disable (DISABLE)
[0]
Enable (ENABLE)
[1]
DC brake and start (DC BRAKE AND START)
[3]
Function:
This function makes it possible for the frequency con-
verter to ‘catch’ a spinning motor, which - e.g. because
of a mains failure - is no longer controlled by the fre-
quency converter.
This function is activated whenever a start command
is active.
For the frequency converter to be able to catch the
spinning motor, the motor speed must be lower than
the frequency that corresponds to the frequency in pa-
rameter 202
Output frequency high limit, f
MAX
.
Description of choice:
Select
Disable
[0] if this function is not required.
Select
Enable
[1] if the frequency converter is to be
able to ‘catch’ and control a spinning motor.
Select
DC brake and start
[2] if the frequency converter
is to brake the motor by means of the DC brake first,
and then start. It is assumed that parameters 114-116
DC braking
are enabled. In the case of a substantial
‘windmilling’ effect (spinning motor), the frequency
converter is not able to ‘catch’ a spinning motor unless
DC brake and start has been selectd.
VLT
®
6000 HVAC Series
= factory setting, () = display text, [] = value for use in communication via serial communication port
MG.61.B5.02 - VLT
®
is a registered Danfoss trademark
139
Pr
ogr
a
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Содержание VLT 6000 HVAC Series
Страница 31: ...Ordering form VLT 6000 HVAC Series MG 61 B5 02 VLT is a registered Danfoss trademark 31 Introduction to HVAC ...
Страница 63: ...Mechanical dimensions VLT 6000 HVAC Series MG 61 B5 02 VLT is a registered Danfoss trademark 63 Installation ...
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