Connection Overview; Connection For Side-By-Side Installation Of Cabinet Units - Siemens SINAMICS S120 Device Manual

Electrical installation
4.5 Connections
4.5.5.2

Connection overview

The following connections must be established for the auxiliary power supply system:
● Connection of auxiliary power module when cabinet units are installed side-by-side
● Connecting to the infeed
Preparatory steps for all work carried out on the auxiliary power supply system
● Install and secure the cabinet units properly.
● Disconnect the cabinet units from the power supply.
● Disconnect the auxiliary power supply system from the power supply.
● Allow unimpeded access to the auxiliary power supply system of the cabinet units (if
necessary, remove the protective covers during installation work)
4.5.5.3

Connection for side-by-side installation of cabinet units

Description
Prefabricated cables for connecting the auxiliary power modules are attached to the -X101
terminal block of the module in each cabinet. If the cabinets are delivered as single units,
these must be routed to the next module and attached to the appropriate terminals of the
-X101 terminal block. The procedure is described below.
Note
Connecting the auxiliary voltage modules for transport units.
These connections are already established within transport units. Only the transport units
need to be interconnected.
Figure 4-9
84
Connecting cables in the delivered state (e.g. transport units)
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A