Lightning Protection, Power Supply And Grounding - Siemens SIMATIC SCALANCE W788C-2 Series Operating Instructions Manual

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5.2 Lightning protection, power supply and grounding

5.2 Lightning protection, power supply and grounding
Lightning protection
Danger due to lightning strikes
Antennas installed outdoors must be within the area covered by a lightning protection
system. Make sure that all conducting systems entering from outdoors can be protected by
a lightning protection potential equalization system.
When implementing your lightning protection concept, make sure you adhere to the VDE
0182 or IEC 62305 standard.
Suitable lightning protectors are available in the accessories of SIMATIC NET Industrial
WLAN.
● Lightning protection element LP798-1N (article number 6GK5798-2LP00-2AA6)
● Lightning protection element LP798-2N (article number 6GK5798-2LP10-2AA6)
Note
We recommend that you use the maintenance-free lightning protector LP798-2N.
Exception: When there is also DC power supplied via the antenna cable. In this case, only
use the lightning protector LP798-1N.
Danger due to lightning strikes
Installing this lightning protector between an antenna and a SCALANCE W700 is not
adequate protection against a lightning strike. The LP798-1N lightning protector only works
within the framework of a comprehensive lightning protection concept. If you have any
questions, please contact a qualified specialist.
Note
The requirements of EN61000-4-5, surge immunity tests on power supply lines, are met only
when a Blitzductor is used with 24 VDC:
BVT AVD 24
article number: 918 422
Manufacturer: DEHN+SÖHNE GmbH+Co.KG, Hans Dehn Str. 1, Postfach 1640, D -
92306 Neumarkt, Germany
32
WARNING
WARNING
SCALANCE W788C-2
Operating Instructions, 07/2019, A5E03692120-14