Siemens SINAMICS G150 Operating Instructions Manual page 146

Electrical installation
4.11 Other connections
Cabinet unit settings
If the thermostatic switch for the braking resistor is connected, appropriate settings have to
be made so that the drive is brought to a standstill if a fault occurs.
Once the device has been successfully commissioned, you have to make the following
changes:
Connect the thermostatic switch of the braking resistor to DI 16 of the Control Unit
Connect the thermostatic switch of the braking resistor to DI 11 of the TM31 (option G60)
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Set the "Expert" access level at the operator panel
<Key-operated pushbutton> - <Access level> - Set "Expert"
and confirm.
Interconnect external fault 2 to DI 16 of the Control Unit.
Disable the Vdc-max controller
When the braking chopper is used, the Vdc-max controller
must be disabled.
Set the "Expert" access level at the operator panel
<Key-operated pushbutton> - <Access level> - Set "Expert"
and confirm.
Interconnect external fault 2 to DI 11 of the TM31.
Disable the Vdc-max controller
When the braking chopper is used, the Vdc-max controller
must be disabled.
Converter cabinet units
Operating Instructions, 03/2012, A5E03263466A