Use a bipolar connection. The unipolar connection should only be employed when the encoder
type being used does not provide push-pull signals.
6.5.8 Interconnecting optional connections
Depending on the range of options installed, further connections have to be interconnected.
Detailed information about interconnecting these options with the interfaces is provided in the
circuit manual.
See also
Terminal assignments (Page 201)
6.5.9 Connecting the re-cooling unit to the drive
Connect the enclosed cable for the cooling unit to the corresponding interfaces on the drive
and the cooling unit.
Further details are contained in the circuit diagram of the drive and the re-cooling unit.
6.5.10 Fastening the cable ducts with cable ties
Fasten all cable ducts whose cover faces downward with cable ties. Wind the cable ties around
the entire cable duct. The cable ties must be located at the same positions as in the delivered
state.
Figure 6-9 Schematic diagram: Fastening the cable ties
Electrical connection
6.5 Connection
SINAMICS SM150 6SL3845-7NN46-7AA0
Operating Instructions 04/2017 119
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