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Electrical connection
8.3 System integration
Connection of circuit breaker
For the following configurations, you require a circuit breaker for each stator segment:
● Several stator segments are connected in parallel to one Motor Module.
● The current-carrying capacity of the feeder cable cross-section is less than the current
load capability of the Motor Module.
Connect all of the stator segments to be connected in parallel to a Motor Module via a circuit
breaker.
● Connect phases U, V, W of the particular stator segment to the corresponding terminals
of the associated circuit breaker:
U - L1
V - L2
W - L3
● Connect phases U, V, W of the Motor Module to the circuit breaker terminals:
U - T1
V - T2
W - T3
● Connect the auxiliary NO contacts of the circuit breaker in series.
● Connect the auxiliary NO contacts to an input on the CU/NCU.
● Connect the auxiliary NO contact to an external drive fault of the drive using BICO
technology. This means that when a circuit breaker trips, the complete drive is shut down
(OFF2).
● You can also evaluate the auxiliary NO contact of the circuit breaker using the PLC.
● Adjust the circuit breaker to the rated current of the motor feeder cables +10 %.
146
Pin assignment, plug connector (connector size 1.5) of the combination cable for
stator segment 1FW68 up to 66 A
PIN
Name
U
Phase U
V
Phase V
W
Phase W
PE
1
1TP1: PTC
2
1TP2: PTC
(+)
+1R1: +KTY
(-)
-1R2: -KTY
1FW68 radial segment motors
Configuration Manual, 04/2017, 6SN1197-0AE02-0BP1
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