SIWAREX WL200 
Operating Instructions, 07/2016, A5E02199611B-03 
21 
 
Basic safety instructions 
 
Incorrect selection of type of protection 
Danger of explosion in areas subject to explosion hazard. 
This device is approved for several types of protection.  
1.  Decide in favor of one type of protection. 
2.  Connect the device in accordance with the selected type of protection. 
3.  In order to avoid incorrect use at a later point, make the types of protection that are not 
used permanently unrecognizable on the nameplate. 
 
 
Danger of explosion in hazardous areas as result of incorrect power supply, e.g. using 
direct current instead of alternating current. 
•  Connect the device in accordance with the specified power supply and signal circuits. 
The relevant specifications can be found in the certificates, in Technical data (Page 45) 
or on the nameplate. 
 
Note 
Electromagnetic compatibility (EMC) 
You can
 use this device in industrial environments, households and small businesses. 
For metal housings there is an increased electromagnetic compatibility compared to high
-
frequency radiation. This protection can be increased by grounding the housing, see 
Connecting
 (Page 21).