Connecting Cabinet Modules To Non-Grounded Line Supplies (It Systems) - Siemens SINAMICS S120 Manual
Cabinet modules liquid-cooled
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- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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4.5.8
Connecting Cabinet Modules to non-grounded line supplies (IT systems)
If the Cabinet Modules are operated on a non-grounded line supply (IT system), the
integrated basic interference suppression modules must be deactivated by unscrewing the
connection clip in the following Cabinet Modules:
● Basic Line Connection Modules
● Active Line Connection Modules (connection clip in the Active Interface Module)
NOTICE
Damage to the device through not removing the connection clip with a non-grounded line
supply
Failure to remove the connection clip to the basic interference suppression module on a
non-grounded line supply (IT system) can cause significant damage to the device.
• With a non-grounded line supply (IT system), remove the connection clip to the basic
Note
Warning label on the connection clip
A yellow warning label is attached to each connection clip so that it is easier to find.
• The warning label must be removed from the connection clip (by pulling it off) if the
connection clip is to remain in the unit (operation on a grounded line supply).
• The warning label must be removed together with the connection clip if the unit is
operated on a non-grounded line supply (IT system).
Figure 4-6
Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A
interference suppression module.
Warning label on the connection clip
Electrical installation
4.5 Connections
89
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