Operating Instructions
SED2 VFD Startup, Operation, and Maintenance Manual
66 Siemens Building Technologies, Inc.
Parameter Description Action Setting/ Default
P0311 * Rated Motor Speed
0 to 40,000 1/min
Rated motor speed (rpm)
from motor nameplate.
A setting of 0 causes an
internal calculation of this
value.
Vector control and V/f
control with speed controller
require this value.
Slip compensation in V/f
control requires this value
for correct operation.
Pole pair number is
recalculated automatically if
the parameter is changed.
1. Press
to advance to
parameter P0311.
2. Press
to access the
parameter values level.
3. Press
to advance to
nominal motor speed.
4. Press
to confirm and
save the setting.
Motor
nameplate
Default = 0
P0640 Motor Overload Factor
10% to 400%
Limited to the maximum
SED2 output current rating
or to 400% of the rated
current (P0305), whichever
is lower.
NOTE:
This parameter is available
when P0003 = 3 and
P0010 = 1.
1. Press
to advance to
parameter P0640.
2. Press
to access the
parameter values level.
3. Press
to advance to
desired value.
4. Press
to confirm and
save the setting.
Site setting
Default = 110
* Motor related parameters.










