Opening The - Siemens SINUMERIK 840D sl Equipment Manual
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Also See for SINUMERIK 840D sl:
- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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Connecting
7.4 Opening the front cover
Safety information
NOTICE
The module can be damaged if power is connected when connecting up the NCU
When connecting the NCU, the system and the NCU must be disconnected (brought into a no
voltage condition).
Note
If your axis grouping contains a Smart Line Module without DRIVE-CLiQ (5 kW or 10 kW), you
must assign the Smart Line Module enabling signal to digital input X122.1 on the NCU.
7.4
Opening the front cover
Introduction
The interfaces are concealed behind a front cover. You must fold down this cover before you can
wire up the interfaces. When the front cover is closed (flipped up), it automatically locks into
place by means of a hook on the connector panel.
Note
Replacement of the front cover in the event of servicing
A hinge connects the front cover to the front of the housing. In order to replace them, it can
easily be removed in the open state (45° angle) by pulling it slightly. It is installed in the same
way, at a 45° angle, by slightly pressing on the hinge.
50
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
NCU 7x0.3B PN
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