Wiring Setups For Hazardous Area Installations; Intrinsically Safe Wiring - Siemens Sitrans LR200 Instruction Manual

Wiring setups for hazardous area installations

There are five wiring options for hazardous area installations:

Intrinsically Safe wiring

•
Non-incendive wiring (FM US only)
•
Flameproof wiring
•
Increased safety wiring
•
Explosion-proof wiring (FM/CSA US/Canada only)
•
In all cases, check the nameplate on your instrument, and confirm the approval rating.
1. Intrinsically Safe wiring
The ATEX certificate can be downloaded from the product
page of our website at: www.siemens.com/LR200.
ATEX Certificate SIRA 06ATEX2378X
See also
The IECEx certificate listed on the nameplate can be viewed on the IECEx website. Go to:
http://iecex.iec.ch and click on Ex Equipment Certificates of Conformity then enter the
certificate number IECEx TSA 04.0020X.
FM Intrinsically Safe connection drawing
number A5E01003040 and CSA Intrinsically Safe connection drawing number A5E01003039
can be downloaded from the product page of our website at: www.siemens.com/LR200.
• For power demands see
incendive)
on page 137.
• For wiring requirements: follow local regulations.
• Approved dust-tight and water-tight conduit seals are required for outdoor
NEMA 4X / type 4X / NEMA 6, IP67, IP68 locations.
Instructions specific to hazardous area installations
• Refer to
• Recommended intrinsically safe barriers are listed under
Barriers
on page 23 and
Note: Selecting a suitable PLC input module, power supply, or barrier requires knowledge
about Intrinsic Safety and the application. It is the responsibility of the installer to ensure that
the intrinsically safe installation complies with both the apparatus approval requirements
and the relevant national code of practice.
Page 22 SITRANS LR200 (HART) – INSTRUCTION MANUAL
on page 22
on page 24
on page 24
on page 24
on page 167.
Curve 1 (General Purpose, Intrinsically Safe, Non-
Active barriers (repeating barriers)
on page 25
on page 25.
Passive Shunt Diode
on page 23.
7ML19985JP02