Connection Overview; Connection For Side-By-Side Installation Of Cabinet Units - Siemens SINAMICS S120 Manual
Cabinet modules liquid-cooled
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- Function manual (1094 pages) ,
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Electrical installation
4.5 Connections
Danger to life due to dangerous voltage as a result of incorrect voltage assignment
Incorrect voltage assignment on the auxiliary power supply system can result in high
voltages on unsuitable components and thus damage or destroy these components.
Contact with these high voltages can result in death or serious injury.
• When establishing connections to the auxiliary power supply system, you must ensure
4.5.5.2
Connection overview
The following connections must be established for the auxiliary power supply system:
● Connection for side-by-side installation of cabinet units
● Connecting to the infeed when using an external supply
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
To connect the auxiliary power supply systems, in each transport unit prefabricated cables
are attached at terminals -X140 and -X150, and rolled up on the right-hand side of the
cabinet. If the cabinets are delivered as single units, these cables must be routed to the next
cabinet and attached to the appropriate terminals at terminal blocks -X140 and -X150. The
procedure is described below.
Note
Connecting the terminals for transport units.
These connections are already established within transport units. Only the transport units
need to be interconnected.
Note
There is no cable for wiring the auxiliary voltages if a Cabinet Module is equipped with a
right-hand side panel (option M26).
84
WARNING
that you do not interchange the power supplies.
Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A
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