AKD 2800
■
Special functions
405 Reset function
(RESET MODE)
Value:
Manual reset (MANUAL RESET)
[0]
Automatic reset x 1
(AUTOMATIC X 1)
[1]
✭
Automatic reset x 3
(AUTOMATIC X 3)
[2]
Automatic reset x 10
(AUTOMATIC X 10 )
[3]
Reset at power-up
(RESET AT POWER UP )
[4]
Function:
This parameter makes it possible to select whether
reset and restart after a trip are to be manual or
whether the frequency converter is to be reset and
restarted automatically. Furthermore, it is possible
to select the number of times a restart is to be
attempted. The time between each attempt is set
in parameter 406
Automatic restart time
.
Description of choice:
If
Manual reset
[0] is selected, reset is to be carried
out via the [STOP/RESET] key, a digital input or
serial communication. If the frequency converter
is to carry out an automatic reset and restart after
a trip, select data value [1], [2] or [3].
If
Reset at power-up
[4] is selected, the frequency
converter will carry out a reset if there has been a
fault in connection with the mains failure
The motor may start without warning.
406 Automatic restart time
(AUTORESTART TIME)
Value:
0 - 10 min.
✭
5 min.
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 405
Reset function
.
Description of choice:
Set the required time.
412 Variable switching frequency
(VAR CARRIER FREQ.)
Value:
✭
Without LC-filter (WITHOUT LC-FILTER)
[0]
LC-filter connected
(LC-FILTER CONNECTED )
[1]
Function:
The parameter must be set to
LC-filter connected
if an LC-filter is connected between the frequency
converter and the motor.
Description of choice:
The LC-filter connected
[3] must be used if an
LC-filter is connected between the frequency
converter and the motor, as otherwise the frequency
converter cannot protect the LC-filter.
NB!:
When the LC filter is selected the switching
frequency is changed to 4.5 kHz.
414 Minimum feedback, FB
MIN
(MIN. FEEDBACK)
Value:
-100,000.000 - par. 415 FB
MAX
✭
0.000
Function:
Parameter 414
Minimum feedback, FB
MIN
and 415
Maximum feedback, FB
MAX
are used to scale the
display text to make it show the feedback signal in a
process unit proportionally to the signal on the input.
Description of choice:
Set the value to be shown on the display as the
minimum feedback signal value on the selected
feedback input (parameters 308/314
Analogue inputs
).
415 Maximum feedback, FB
MAX
(MAX. FEEDBACK)
Value:
FB
MIN
- 100,000.000
✭
1500.000
Function:
See description of parameter 414
Minimum
feedback, FB
MIN
.
✭
= factory setting. () = display text [] = value for use in communication via serial communication port
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