Power Electronics SD300 Series - Page 199

POWER ELECTRONICS
SD300
DESCRIPTION OF PROGRAMMING PARAMETERS
197
Screen
Description
Default
value
Range
Function
Set on
RUN
Pr.12
Response in
case of a
speed
reference loss
None
0 to 5
Set the action to be taken if the drive loses
a speed reference:
OPT.
DESCR.
FUNCTION
0
None
Protection is disabled.
1
Free-
Run
The drive cuts the output
voltage and allows the
motor free run.
2
Dec
The motor decelerates and
then stops at the time set
at Pr.7.
3
Hold
Input
The drive will keep
operating to the input
value, mean value
obtained from the last 10
seconds until the moment
the reference lo s has been
detected.
4
Hold
Output
The drive will keep
operating to the input
value, mean value
obtained from the last 10
seconds until the moment
the reference loss has
been detected.
5
Lost
Preset
The drive operates to the
frequency defined in
parameter Pr.14.
Caution: Users should ensure that
disabling this protection does not
compromise the operation of the equipment
YES