User's Manual

Table Of Contents
Connecting
5.3 Wiring setups for hazardous area installations
SITRANS LR250 (HART)
28 Operating Instructions, 01/2014, A5E32220602-AB
5.3
Wiring setups for hazardous area installations
There are six wiring options for hazardous area installations:
Intrinsically Safe wiring (Page 28)
Non-Sparking wiring (Page 30)
Non-incendive wiring (US/Canada only) (Page 30)
Flameproof wiring (Page 31)
Increased safety wiring (Page 32)
Explosion-proof wiring (US/Canada only) (Page 32)
In all cases, check the nameplate on your instrument, confirm the approval rating, and perform
installation and wiring according to your local safety codes.
5.3.1
Intrinsically safe wiring
Device nameplate (ATEX/IECEX/INMETRO/C-TICK)
ATEX certificate
The ATEX certificate listed on the nameplate can be downloaded from our website:
Product page (http://www.siemens.com/LR250
)
Go to
Support > Approvals / Certificates.
The IECEx certificate listed on the nameplate can be viewed on the IECEx website. Go to:
IECEx (http://iecex.iec.ch/
)
Click on
Certified Equipment
then enter the certificate number IECEx SIR 05.0031X.