Siemens SINAMICS G120C DP User Manual

The Vdc_max control is not suitable for applications where the motor is in continuous
regenerative operation, e.g. as is the case for cranes and centrifuges.
Electrically braking the motor (Page324)
Parameter
Parameter for Vdc_max control
The parameters di󹪜er depending on the motor control mode.
Table 8-69 Parameters for U/f control
Parameter Description Factory setting
p0210 Device supply voltage 400V
p1280[D] Vdc controller con󹪝guration (U/f) 1
r1282 Vdc_max controller switch-on level (U/f) - V
p1283[0…n] Vdc_max controller, dynamic factor (U/f) 100%
p1294 Vdc_max controller automatic ON level detection (U/f) 0
Table 8-70 Parameter for vector control
Parameter Description Factory setting
p0210 Device supply voltage 400V
p1240[0…n] Vdc controller con󹪝guration (vector control) 1
r1242 Vdc_max controller switch-in level - V
p1243[0…n] Vdc_max controller, dynamic factor 100%
p1254 Vdc_max controller automatic ON level detection 0
For additional information about this function, see the List Manual (function diagrams 6320
and 6220).
Overview of the manuals (Page465)
Advanced commissioning
8.27Motor and converter protection by limiting the voltage
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK 345

Siemens SINAMICS G120C DP Specifications

General

Protection Rating	IP20
Frequency Range	0 to 650 Hz
Control Modes	V/f, sensorless vector control
Communication Interfaces	PROFIBUS DP
Ambient Temperature	-10 to +50 °C (without derating), -10 to +60 °C (with derating)
Overload Capacity	150 % rated current for 60 s, 200 % rated current for 3 s
Storage Temperature	-40 to +70 °C
Relative Humidity	5% to 95% (non-condensing)
Voltage Range	200 V to 240 V (±10%), 380 V to 480 V (±10%)
Output Voltage	0 V to Supply Voltage