Siemens SINAMICS V20 Series - Page 138

Parameter list
7.2 Parameter list
SINAMICS V20 Inverter
138 Operating Instructions, 07/2012, A5E03728167
Parameter Function Range Factory
default
Can be
changed
Scaling Data
set
Data
type
Acc.
Level
P0346[0...2] Magnetization time [s] 0.000 -
20.000
1.000 U, T - DDS Float 3
Sets magnetization time [s], i.e. waiting time between pulse enable and start of ramp-up. Motor
magnetization builds up during this time. Magnetization time is normally calculated automatically from the
motor data and corresponds to the rotor time constant.
Dependency: See P0341
Notice: An excessive reduction of this time can result in insufficient motor magnetization.
Note: If boost settings are higher than 100 %, magnetization time may be reduced. Default value is depending
on inverter type and its rating data.
P0347[0...2] Demagnetization time [s] 0.000 -
20.000
1.000 U, T - DDS Float 3
Changes time allowed after OFF2 / fault condition, before pulses can be re-enabled.
Dependency: See P0341
Note: The demagnetization time is approximately 2.5 x rotor time constant in seconds. Default value is
depending on inverter type and its rating data.
P0350[0...2] Stator resistance (line)
[Ohm]
0.0000 -
2000.0
2.0000 U, T - DDS Float 3
Stator resistance value for connected motor (line value). The parameter value doesn't include the cable
resistance.
Dependency: See P0341
Note: There are three ways to determine the value for this parameter:
1. Calculate using
– P0340 = 1 (data entered from rating plate) or
– P0010 = 1, P3900 = 1, 2 or 3 (end of quick commissioning).
2. Measure using P1900 = 2 (standard motor data identification - value for stator resistance is
overwritten).
3. Measure manually using an Ohmmeter.
Since the manually measured resistor is a line-to-line value, which includes the cable resistors, the
measured value has to be divided by two and the cable resistor of a line has to be subtracted from that
value.
The value entered in P0350 is the one obtained by the method last used. Default value is depending on
inverter type and its rating data.
P0352[0...2] Cable resistance [Ohm] 0.0 - 120.0 0.0 U, T - DDS Float 3
Describes cable resistance between inverter and motor for one phase. The value corresponds to the
resistance of the cable between the inverter and the motor, relative to the rated impedance.
Dependency: See P0341
P0354[0...2] Rotor resistance [Ohm] 0.0 - 300.0 10.0 U, T - DDS Float 3
Sets rotor resistance of motor equivalent circuit (phase value).
Dependency: Calculated automatically using the motor model or determined using P1900 (motor identification). This
parameter is influenced by automatic calculations defined by P0340.
P0356[0...2] Stator leakage
inductance [mH]
0.0000 -
1000.0
10.000 U, T - DDS Float 3
Sets stator leakage inductance of motor equivalent circuit (phase value).
Dependency: See P0354
P0358[0...2] Rotor leakage
inductance [mH]
0.0 -
1000.0
10.0 U, T - DDS Float 3
Sets rotor leakage inductance of motor equivalent circuit (phase value).
Dependency: See P0354