SCALANCE WxM766
Operating Instructions, 03/2022, C79000-G8976-C617-03
49
Connection
6.1 Safety when connecting up
Safety notices
When connecting up the device, keep to the safety notices listed below.
Note
Close unused sockets
Close all unused M12 sockets with protective caps (tightening torque at least 0.4 Nm) to
achieve the specified type of protection.
Lightning protection
WARNING
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 (Page 28) of SIMATIC NET
Industrial WLAN.
Note
We recommend that you use the maintena
nce-free lightning protector LP798-2N.
Exception: When there is also DC power s
upplied via the antenna cable. In this case,
only the lightning protector LP798
-1N can be used.
WARNING
Danger due to lightning strikes
Installing this lightning protector between an antenna and a SCALANCE W device is not
adequate protection against a lightning strike. The LP798-1N lightening protector only
works within the framework of a comprehensive lightning protection concept. If you
have questions, ask a qualified specialist company.
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