63
Application Functions
Parameters 400 through 427
Special functions of the drive are set up in this parameter group. This
includes the proportional, integral, derivative controller (PID) and
setting the sleep mode function.
Additionally, this parameter group includes:
Reset function
Flying start
Interference reduction
Loss of load
Carrier frequency
Selection of process units
WARNING
!
Unintended Start!
With any automatic reset active, digital inputs
may cause drive to start at any time. The drive,
motor, and any driven equipment must be in
operational readiness. Failure to be in
operational readiness with automatic reset
active could result in death, serious injury, or
equipment or property damage.
400
Reset Function
(RESET FUNCTION)
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 AUTOMATIC) [9]
Function:
This parameter allows a choice of manual or automatic reset after a fault
trip. There is also a choice of the number of times the unit will attempt to
restart. The time between each attempt is set in parameter 401,
Automatic Restart Time
.
Description of choice:
If
Manual Reset
is selected, the Reset key must be pressed or a digital
input given to reset the drive.
If auto reset after a fault trip is desired, select one of the Automatic reset
choices.
401
Automatic Restart Time
(AUTORESTART TIME)
Value:
0 to 600 seconds
★
10 sec.
Function:
This parameter sets the automatic reset time delay until each reset is
attempted. One of the automatic resets must be selected in parameter
400,
Reset Function
.
Description of choice:
Set the desired time before each restart attempt.
CAUTION
!
Motor Rotation!
When parameter 402,
Flying Start
, is enabled,
motor may turn forward and reverse a few
revolutions even with motor stopped. In highly
dynamic pumping processes, it is recommended
to disable
Flying Start
function. Using
Flying Start
in highly dynamic pumping processes could
result in injury or equiment or property damage.
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 drive to catch a rotating motor
when the drive is started. The drive will sense the speed of rotation and
direction of rotation of the motor and synchronize with it.
This function is active whenever a start command is present.
For the drive to catch the spinning motor, the motor speed must be
lower than the maximum frequency set in parameter 202.
Description of choice:
Select
Disable
if this function is not required.
Select
Enable
if the drive is to catch and control a rotating motor.
Select
DC brake and start
if the drive is to brake the motor by means of
the DC brake first, and then start. Ensure that parameters 114 through
116,
DC Braking,
are set appropriately. Select
DC brake and start
if the
motor may be externally driven at a significant speed in the reverse
direction.
NOTE
For fan applications, factory setting for
Flying
Start
is Enable. For pump applications, factory
setting for
Flying Start
is Disable.
✭
I
ndicates factory default setting. Numbers in brackets [ ] represent selection as displayed on the serial bus.
