Operating Instructions
Startup Procedures
Siemens Building Technologies, Inc. 35
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.
Setting =
Motor nameplate
Default =
Varies by model
P0640
Motor Overload Facto
r
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.
Setting =
As applicable
Default = 110
* Motor related parameters.










