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.
6.5.7 Connecting the control cables to the circuit-breaker for the capacitor release
(option N20)
"ON" and "OFF" commands
To transfer two "OFF" commands, you need at least two redundant three-core cables. To
transfer one "ON" command, you need an additional two-core cable.
Use shielded cables with a minimum cross-section of 0.75 mm
2
.
Place the shields on the shield bar provided in the control cabinet.
Connect the cables in accordance with the following table:
Terminal Cable Circuit-breaker
X950 : 1 Cable 1 L + from circuit-breaker
X950 : 2 OFF switching command to circuit-breaker
X950 : 3 L – from circuit-breaker
X950 : 4 Redundant cable 2 L + redundant from circuit-breaker
X950 : 5 OFF switching command redundant to circuit-breaker
X950 : 6 L – redundant from circuit-breaker
X950 : 7 Cable 3 ON supply cable from circuit-breaker
X950 : 8 ON switching command to circuit-breaker
Electrical connection
6.5 Connection
SINAMICS GM150 6SL3810-2LN31-8AA2
90 Operating Instructions Rev.201910281332 EXAMPLE
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