Direction of motor rotation
Connect asynchronous machines with clockwise phase sequence (looking at the drive shaft) to
the drive as follows:
Table 6-3
Drive and motor connection terminals
Drive (connection terminals)
Motor (connection terminals)
U2/T1
U
V2/T2
V
W2/T3
W
In contrast to the connection for the clockwise phase sequence, two phases have to be
reversed with a counter-clockwise phase sequence (looking at the drive shaft).
Note
If an incorrect phase sequence was connected during the cable installation and it cannot be
corrected by a subsequent swapping of the motor cables, you have two possibilities:
● Change the phase sequence by entering a negative setpoint.
● Change the phase sequence with the drive parameterization.
Note
Interconnect the windings for motors that can be operated in star-delta correctly. To do this,
read the motor documentation. Observe the required isolation voltage for the operation of the
drive.
6.5.6
Connect the auxiliary voltage
Connect the auxiliary voltage 1-phase 230 VAC / 50 Hz
Connect the auxiliary voltage for SITOP, GSV, closed-loop control, open-loop control – for
example – to the terminal strip. The maximum cross section of the cables is 2.5 mm
2
.
With options C30 - C49, the auxiliary voltage can be drawn from the matching transformer. You
will find notes in the circuit manual of the drive.
Connect the auxiliary voltage 3-phase 400 VAC / 50 Hz
1. Connect the auxiliary voltage for fans, precharging, etc. to the terminal block. The maximum
permissible conductor cross-section is 4 mm
2
.
2. To connect the cables, move the cover upward.
3. Attach the cables to the appropriate connections.
For detailed information, see "Terminal strips" and the circuit manual of the drive.
Electrical connection
6.5 Connection
SINAMICS SM150 6SL3815-7NP41-0AA1
Operating Instructions Rev.201910281301 EXAMPLE
109
Содержание SINAMICS SM150 6SL3815-7NP41-0AA1
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