Par. No. Name Range Default Unit
P0309 Rated motor efficiency 0.0 - 99.9 See table in
Chap. 6.4
%
Nominal motor efficiency in [%] from rating plate.
Dependency:
Setting 0 causes internal calculation of value.
P0310 Rated motor frequency 12.00 - 300.00 50.00 Hz
Nominal motor frequency [Hz] from rating plate.
Dependency:
Pole pair number recalculated automatically if parameter is changed.
P0311 Rated motor speed 0 - 40000 See table in
Chap. 6.4
1/min
Nominal motor speed [rpm] from rating plate.
Dependency:
● Setting 0 causes internal calculation of value.
● Slip compensation in V/f control requires rated motor speed for correct operation.
● Pole pair number recalculated automatically if parameter is changed.
● Required for vector control and V/f control with speed controller.
P0320 Motor magnetizing current 0.0 - 99.0 0.0 %
Defines motor magnetization current in [%] relative to P0305 (rated motor current).
P0335 Motor cooling 0 - 1 0 --
Selects motor cooling system used.
Possible settings:
0 Self-cooled: Using shaft mounted fan attached to motor
1 Forced-cooled: Using separately powered cooling fan
P0350 Stator resistance (line-to-line) 0.0001 - 2000.0 Depends on
inverter type
Ohm
Stator resistance value in [Ohms] for connected motor (from line-to-line). The parameter value includes the
cable resistance.
P0350 = 2 x (R
cable
+ R
s
)
There are two ways to determine the value for this parameter:
1. Measure using P1910 = 1 (motor data identification - value for stator resistance is overwritten).
2. Measure manually using an Ohmmeter.
Note:
Default value depends on inverter type.
Parameter list
SINAMICS V10
Operating Instructions, 08/2011, A5E03453178 (this is not an order number) 83
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