Basic Dimensions Of The Router Box; Mounting Recommendations - Advantech SmartFlex SR307 User Manual

5.4 Basic dimensions of the router box

5.5 Mounting recommendations

It is possible to place the router on a flat surface,
DIN rail EN 60715 with the included plastic or metal clip.
For most applications with a built-in router within a switchboard it is possible to recognize
two kinds of environments:
A non-public, industry environment of low voltage with high interference,
A public environment of low voltage and without high interference.
For both of these environments it is possible to mount router to a switchboard, after which
there is no need to have examination immunity or issues in connection with EMC according to
EN 61439-1:2011.
Attention: If the negative pole of the router is grounded, there is no protection against
reversed polarity!
In compliance with the EN 61439-1:2011 specification it is necessary to observe the
following assembly instructions for a router attached to a switchboard:
For whip antennas it is recommended to observe a minimum distance of 6 cm from
cables and metal surfaces on every side in order to avoid interference. When using
an external antenna seperate from the switchboard it is necessary to fit a lightening
conductor.
When mounting a router on sheet-steel we recommend using a "cable" antenna.
For all cables we recommend to bind the bunch, and for this we recommend:
Figure 25: Basic dimensions of the router box
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SmartFlex SR307