Further Information; Selecting Physical Units; Motor Standard; System Of Units - Siemens Sinamics CU240D-2 DP Operating Instructions Manual

Advanced commissioning

6.10 Selecting physical units

6.9.2

Further information

Application description for the free function blocks
Further information is provided on the Internet:
6.10 Selecting physical units
6.10.1

Motor standard

Selection options and parameters involved
The inverter represents the motor data corresponding to motor standard IEC or NEMA in
different system units: SI units or US units.
Table 6- 15
Parame-
ter
r0206
p0219
p0307
p0316
r0333
p0341
p0344
r0394
r1493
Factory setting
1)
It is only possible to change the motor standard during quick commissioning.
6.10.2

System of units

Some physical units depend on the system of units selected (SI or US), for example the
power [kW or hp] or the torque [Nm or lbf ft]. You can select in which system of units the
converter represents its physical values.
146
FAQ (http://support.automation.siemens.com/WW/view/en/85168215)
Parameters involved when selecting the motor standard
Designation
Power Module rated power
Braking resistor braking power
Rated motor power
Motor torque constant
Rated motor torque
Motor moment of inertia
Motor weight
Rated motor power
Total moment of inertia, scaled
Motor standard IEC/NEMA, p0100 =
0
1)
IEC motor NEMA motor
50 Hz, SI units 60 Hz, US units
kW
kW
kW
Nm/A
Nm
kgm
2
kg
kW
kgm
2
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
1 2
NEMA motor
60 Hz, SI units
hp kW
hp kW
hp kW
lbf ft/A Nm/A
lbf ft Nm
lb ft kgm
2 2
Lb kg
hp kW
lb ft kgm
2 2