Commissioning Manual
108 6FC5397-4EP10-0BA8, 07/2018
Grounding the shielded encoder cable
To ensure better EMC compliance, you are recommended to strip the encoder cable and connect the cable shield to earth to
enhance the grounding effect:
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 33)".
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.
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