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Activity
Apply the cable shields properly.
The cabinet must be properly grounded at the points provided.
An auxiliary supply (3-phase 380 VAC) must be provided for the
auxiliary equipment (e.g. cabinet fan / DC-link precharging). Refer to
the "Technical specifications" for the drives for details of current con‐
sumption. Protect the low-voltage feeder appropriately at the plant.
With respect to the phase sequence, make sure that fans rotate in the
right direction.
If a voltage other than the auxiliary supply (3-phase 380 – 415 VAC)
is used, a suitable matching transformer is required (option Y75).
Ensure that the chosen taps are appropriate for the voltage present.
With respect to the phase sequence, make sure that fans rotate in the
right direction.
The open-loop and closed-loop control systems are supplied with
voltage (230 VAC 50/60 Hz) via terminals. Refer to the "Technical
specifications" for the drives for details of current consumption. If
communication with the open-loop and closed-loop control system is
to be maintained even if the main voltage fails or the drive is to be
switched on again automatically if the power fails, this voltage must
originate from a secure network. Alternatively, choose option L53
(UPS-supported power supply for the closed-loop control system).
Option L19
To supply auxiliary equipment (e.g. separately-driven motor fan), the
drive must be properly connected to terminals ‑X155:1 (L1) to
‑X155:3 (L3). The supply voltage of the auxiliary equipment must
match the input voltage of the drive. The load current must not ex‐
ceed 10 A and must be set in accordance with the connected con‐
sumer.
Option L55
If the drive is equipped with the anti-condensation heating option,
then provide the required auxiliary voltage (V) via the terminals. Pro‐
tect the auxiliary supply with fuses on the low-voltage distribution
board side. This voltage is not integrated in the EMERGENCY STOP
sequence of the drive and is, therefore, present even when the
EMERGENCY STOP button has been actuated. These cabinet-in‐
ternal cables can be easily identified by their orange insulation.
Service sockets
Provide for the service power sockets in the control cabinet as well as
for the optional cabinet lighting (option L50) on the auxiliary voltage
supply
230 V). Protect the auxiliary voltage supply with 10 A fuses on the
plant. This voltage is not integrated in the EMERGENCY STOP se‐
quence of the drive and is, therefore, present even when the EMER‐
GENCY STOP button has been actuated. These cabinet-internal
cables can be easily identified by their orange insulation.
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE
Checklists and forms
C.2 Checklist for electrical installation
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