X20 system
3.3 Installation
A top-hat rail conforming to standard EN 60715 (TH35-7.5) is required for mounting.
The following points must be taken into account:
•
The top-hat rail must exhibit a clean and good conductive surface.
•
The top-hat rail must be screwed to the conductive back wall of the control cabinet every 10 cm.
•
There must be a good conductive connection to ground for the control cabinet back (≥16 mm
2
).
The complete system including all individual modules is hung in the desired location on the top-hat rail with the
unlocking mechanisms open and locked in place by closing the unlocking mechanisms.
For additional details, see section "Mechanical handling" of the X20 system user's manual.
3.3.1 Horizontal installation
1)
n ... Number of modules
Figure 3: X20 system - Horizontal installation
For optimal cooling and air circulation, there must be at least 35 mm free space above the modules. To the left
and right of the X20 system, there must be at least 10 mm of free space. Underneath the modules, 35 mm space
must be left free for I/O and power supply cabling.
Installation / EMC guide 1.36 (April 2021) 11
To Next Page
Loading...