Danfoss VLT Midi Drive FC 280 Programming Manual page 85

Parameter Descriptions
14-12 Function at Mains Imbalance
Option: Function:
Operation under severe mains imbalance
conditions reduces the lifetime of the motor.
Conditions are considered severe if the motor is
operated continuously near nominal load (for
example, a pump or fan running near full speed).
[0] Trip Trip the frequency converter.
*
[1] Warning Issue a warning.
[2] Disabled No action is taken.
14-15 Kin. Backup Trip Recovery Level
Range:
Size related [0 - 500.000 Reference-
*
FeedbackUnit]
14-20 Reset Mode
Option: Function:
WARNING
UNINTENDED START
When the frequency converter is
connected to AC mains, DC supply,
or load sharing, the motor may
start at any time. Unintended start
during programming, service, or
repair work can result in death,
serious injury, or property damage.
The motor can start via an external
switch, a fieldbus command, an
input reference signal from the LCP,
or after a cleared fault condition.
To prevent unintended motor start:
•
•
•
MG07C302
Programming Guide
Function:
This parameter specifies
the kinetic back-up trip
recovery level.
Disconnect the frequency
converter from the mains.
Press [Off/Reset] on the
LCP before programming
parameters.
Fully wire and assembly
the frequency converter,
motor, and any driven
equipment before
connecting the frequency
converter to AC mains, DC
supply, or load sharing.
Danfoss A/S © 07/2016 All rights reserved.
14-20 Reset Mode
Option: Function:
NOTICE
If the specified number of
automatic resets is reached within
10 minutes, the frequency
converter enters [0] Manual reset
mode. After the manual reset is
performed, the setting of
parameter 14-20 Reset Mode reverts
to the original selection. If the
number of automatic resets is not
reached within 10 minutes, or when
a manual reset is performed, the
internal automatic reset counter
returns to 0.
Select the reset function after tripping.
Once reset, the frequency converter can
be restarted. Automatic reset mode does
not affect alarm 68, Safe Torque Off and
alarm 188, STO internal fault in software
v1.2 and further versions.
[0] Manual reset Select [0] Manual reset, to perform a reset
*
via [Reset] or via the digital inputs.
[1] Automatic reset Select [1]-[12] Automatic reset x 1...x 20 to
x 1 perform between 1 and 20 automatic
resets after tripping.
[2] Automatic reset
x 2
[3] Automatic reset
x 3
[4] Automatic reset
x 4
[5] Automatic reset
x 5
[6] Automatic reset
x 6
[7] Automatic reset
x 7
[8] Automatic reset
x 8
[9] Automatic reset
x 9
[10] Automatic reset
x 10
[11] Automatic reset
x 15
[12] Automatic reset
x 20
[13] Infinite auto Select [13] Infinite Automatic Reset for
reset continuous resetting after tripping.
[14] Reset at power-
up
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