Siemens SINAMICS G120C DP User Manual

Dynamic braking
Using a braking resistor, the converter converts the electrical en‐
ergy into heat.
• AdvantagesDe󹪝ned braking response; motor temperature
does not increase any further; constant braking torque
• Disadvantages:Braking resistor required; braking energyE is
lost in the form of heat
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Braking method depending on the application
Table 8-65 What braking method is suitable for what application?
Application examples Electrical braking method
Pumps, fans, mixers, compressors, extruders Not required
Grinding machines, conveyor belts DC braking, compound braking
Centrifuges, vertical conveyors, hoisting gear, cranes, winders Dynamic braking
Advanced commissioning
8.21Electrically braking the motor
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK 325

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