Commissioning Manual
01/2017
121
Connecting an external braking resistor
The SINAMICS V70 feed drive has been designed with an internal braking resistor to absorb regenerative energy from the
motor. When the internal braking resistor cannot meet the braking requirements, you can connect an external braking
resistor. For the SINAMICS V70 spindle drive, however, no internal braking resistor is available and an external braking
resistor must be configured. For more information about the selection of braking resistors, see Section "Braking resistors
(Page 30)".
For the SINAMICS V70 feed drive, before connecting an external resistor to DCP and R1, remove the connection between
terminals DCP and R2; otherwise, the drive may be damaged.
Interfaces on the SINAMICS V60 servo system
4.5.1
Status LEDs on the SINAMICS V60 drive
You can find detailed information about the status indications in the table below:
7-segment LED display description
No 24 VDC input or drive defect
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