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Connecting
5.1
Basic safety instructions
Insufficient isolation of intrinsically safe and non-intrinsically safe circuits
Risk of explosion in hazardous areas.
• When connecting intrinsically safe and non‑intrinsically safe circuits ensure that isolation is
• Ensure that you observe the device approvals applicable in your country.
Incorrect selection of type of protection
Risk 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
Improper power supply
Risk of explosion in hazardous areas as result of incorrect power supply.
• Connect the device in accordance with the specified power supply and signal circuits. The
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 25).
SIWAREX WL200
Operating Instructions, 04/2021, A5E02199611B-12
WARNING
carried out properly in accordance with local regulations for example IEC 60079-14.
WARNING
permanently unrecognizable on the nameplate.
WARNING
relevant specifications can be found in the certificates, in Technical data (Page 49) or on
the nameplate.
5
25
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