Electromagnetic Compatibility; Certificates And Approvals For Explosion Protection - Siemens 7MH5102 Operating Instructions Manual

Descriptions of load cell variants that are not included in the standard product range can be
found on the appropriate data sheet.
9.4

Electromagnetic compatibility

To maintain the electromagnetic compatibility:
• Ensure that the cables are routed with electromagnetic compatibility, even within cabinets
• Lay the signal cable segregated from cables with voltages > 60 V or high currents
• Avoid sites neighboring large electrical systems
• Use a shielded cable
• Ensure proper grounding
9.5

Certificates and approvals for explosion protection

In hazardous areas, it is only permitted to use load cells and components with the appropriate
ATEX approval.
When connecting up the load cells in hazardous areas, the appropriate EC-type examination
certificates and any supplements must be observed.
Certificates and approvals
Protection against explosion according to ATEX
Only the technical specifications listed in the EC type examination certificates FM09ATEX0040X, FM09ATEX0041X, DEK‐
RA 16ATEX0134X, and the manufacturer's declaration A5E34794967A-2014X apply for applications in hazardous areas.
SIWAREX WL230 BB-S SA
SIWAREX WL230 SB-S SA
SIWAREX WL250 ST-S SA
SIWAREX WL260 SP-S SA
SIWAREX WL270 CP-S SA
SIWAREX WL270 CP-S SB
SIWAREX WL270 CP-S SC
Applicable EC type-examina‐
tion certificate
FM09ATEX0040X
FM09ATEX0041X
"Intrinsic safety" type of protection
SIWAREX WL200
Operating Instructions, 04/2021, A5E02199611B-12
SIWAREX WL280 RN-S SA
Applicable EC type-examina‐
tion certificate
IECEx DEK 16.0074X
DEKRA 16ATEX0134X
9.5 Certificates and approvals for explosion protection
SIWAREX WL230 BB-S SA
SIWAREX WL230 SB-S SA
SIWAREX WL270 CP-S SA
SIWAREX WL270 CP-S SB
SIWAREX WL270 CP-S SC
SIWAREX WL260 SP-S SA
SIWAREX WL260 SP-S SB
SIWAREX WL260 SP-S SC
SIWAREX WL250 ST-S SA
SIWAREX WL270 K-S CA
SIWAREX WL280 RN-S SA
SIWAREX WL230 SB-S CA
SIWAREX WL290 DB-S CA
Applicable manufacturer's
declaration for
A5E34794967A-2014X
Technical data
SIWAREX WL260 SP-S CA
SIWAREX WL260 SP-S SA
SIWAREX WL260 SP-S SB
SIWAREX WL260 SP-S SC
NEPSI GYJ17.1473
SIWAREX WL230 BB-S SA
NEPSI GYJ18.1229
SIWAREX WL270 CP-S SA
SIWAREX WL270 CP-S SB
SIWAREX WL270 CP-S SC
NEPSI GYJ18.1230
SIWAREX WL230 SB-S SA
SIWAREX WL230 SB-S CA
NEPSI GYJ18.1228
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