Connecting Hart: Typical Plc/Ma Configuration; Wiring Setups For Hazardous Area Installations; Intrinsically Safe Wiring - Siemens SITRANS LR200 Quick Start Manual

Connecting HART: typical PLC/mA configuration

power
R = 250 
supply
SITRANS
LR200
1)

Wiring setups for hazardous area installations

Note: ATEX certificates and connection drawings listed below can be downloaded from the
product page of our website at: www.siemens.com/LR200.
There are six wiring options for hazardous area installations. In all cases, check the device
nameplate and process device tag to verify the approval rating.

1. Intrinsically Safe wiring

Device nameplate (ATEX/IECEX/INMETRO/C-TICK)
The ATEX certificate can be downloaded from the product
page of our website at: www.siemens.com/LR200. Go to Support > Approvals / Certificates.
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.
1)
Curve 1: General Purpose, Intrinsically Safe, Non-Sparking/Energy Limited/ Non-incendive
See
Curve 2: Flameproof, Increased Safety, Explosion-proof
page 21 or
Page EN-8 SITRANS LR200 (HART) – QUICK START MANUAL
active PLC
HART
modem
HART
communicator
Notes:
• Depending on the system design,
the power supply may be separate
from the PLC, or integral to it.
• HART resistance (cable resistance
plus 250 Ohm [resistor]) must be
limited according to the allowable
1)
operating area .
• Do not connect more than one
HART programming device at a
time.
on page 21.
on
A5E31993614