Brake Resistor Connection - Lenze i950 Montage- Und Einschaltanleitung

Brake resistor connection

Use intrinsically safe brake resistors to be able to dispense with a separate switch-off device (e.g. a
contactor).
Short connecting cables up to 0.5 m
Up to a cable length of 0.5 m, the cable for the brake resistor and that of the temperature monitoring can be
twisted. Doing so reduces problems due to EMC interference.
Fig. 16: Connection plan - brake resistor with a cable length of up to 0.5 m
① Wiring to the "brake resistor" connection on the inverter or another component with brake chopper.
② Optional: Wiring to a control contact, e. g. a digital input that is set to monitor the thermal contact. If the thermal
contact responds, the voltage supply of the inverter must be disconnected (e. g. switch off the control of the mains
contactor).
R
B
RB1 RB2 T1 T2
①
②
Electrical installation
Brake resistor connection
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