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Connecting
7.2 Interfaces for the controller
7.2.12
Connecting the temperature contact of the braking resistor
Requirement
Fire caused by an unsuitable or improperly installed braking resistor
Using an unsuitable or improperly installed braking resistor can result in damage to the braking
resistor, fire and formation of smoke. Fire and smoke can cause severe personal injury or
property damage.
• Only use braking resistors that are approved for the converter.
• Install the braking resistor in accordance with regulations.
• Monitor the temperature sensor of the braking resistor with the converter.
• Also activate temperature monitoring in the converter.
Procedure
Please proceed as follows to monitor the temperature sensor of the braking resistor:
1. Connect the temperature sensor of the braking resistor to a free digital input on the
converter.
2. Assign function "External fault" to the digital input that is used.
192
WARNING
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB
SINAMICS G220 converter
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