Connection 
  5.5 Replacing the PLUG (C-PLUG or KEY-PLUG) 
SCALANCE W774-1 /W734-1 
Operating Instructions, 07/2020, C79000-G8976-C325-14 
45 
 
UL approval only for use in buildings 
Within the area of authority of the NEC and CEC, the SCALANCE W770/W730 devices 
and the antennas connected to them may only be used in a closed building. For this 
reason, do not lead antennas into the outdoor area if you need to meet UL 
requirements. 
Note 
Cabinet installation
 
When installing the SCALANCE W770/W730 in a cabinet, you need to use detached 
antennas. A suitable flexible connecting cable for a connection b
etween SCALANCE 
770/W730 and a detached antenna are available from SIMATIC NET. You will find 
detailed informatio
n in the section Accessories (Page 15). 
5.5  Replacing the PLUG (C-PLUG or KEY-PLUG) 
 
 
NOTICE 
Do not remove or insert a C-PLUG / KEY-PLUG during operation! 
A PLUG may only be removed or inserted when the device is turned off. 
The device checks whether or not a PLUG is inserted at one second intervals. If it is 
detected that the PLUG was removed, there is a restart. 
If a KEY-PLUG was inserted in the device, the device changes to a defined error state 
following the restart. With SCALANCE W, the available wireless interfaces are 
deactivated in this case. 
If the device was configured at some time with a PLUG, the device can no longer be 
used without this PLUG. To be able to use the device again, reset the device to the 
factory settings. 
 
NOTICE 
Loss of water and dust protection 
If the cover is not mounted correctly, the device is not water and dust proof.