WARNING
Danger from auxiliary voltages that are connected
When you press the EMERGENCY STOP button, the motor is stopped either uncontrolled or
controlled depending on the selected category 0 or 1, and the drive blocks the inverter, in line
with IEC60204-1 (VDE0113).
Auxiliary voltages such as those for separately-driven fans or anti-condensation heating are
still present. Certain areas within the drive also remain under voltage, e.g. the control function
or auxiliaries. When touching these auxiliary voltages, this can result in death or serious
physical injury.
Ensure that the EMERGENCY OFF button is integrated in the safety system for the whole
machine so that all the voltages are completely disconnected. For this purpose, an NC contact
is installed at terminals =.LA–X51:1A or 1C and =.LA–X51:2A or 2C.
3.6.28 Braking Module (option L72)
This option uses a Braking Module with connected braking resistor to permit braking operation.
The structure of the Braking Module is similar to that for a phase of the Motor Module. The
braking resistor is not included in the scope of supply but is available as option Y73. An external
load resistor is provided as the braking resistor.
Braking power
Table 3-1 Braking power Braking Module with external brake resistor
Drive out‐
put voltage
Required braking
resistance (± 10%)
Braking resistance
supply voltage
Braking power Brak‐
ing Module
P
20
Braking power Brak‐
ing Module
P
DB
2.3 kV 9.5 Ω 4.1 kV 1000 kW 333 kW
3.3 kV 13.5 Ω 5.8 kV 1400 kW 467 kW
4.16 kV 17.5 Ω 7.5 kV 1800 kW 600 kW
Note
The above data is valid for maximum continuous output of the Braking Module.
Description
3.6 Description of options
SINAMICS GM150 6SL3810-2LN31-8AA2
52 Operating Instructions Rev.201910281332 EXAMPLE
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