Siemens LR200 Quick Start Manual page 10

Connecting HART: typical PLC/mA configuration
power
supply
SITRANS
LR200
Notes:
• Depending on the system design, the power supply may be separate
• Loop resistance (total of cable resistance plus 250 Ohm [resistor]) must
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 five wiring options for hazardous area installations. In all cases, check the device
nameplate and process device tag to verify the approval rating.
1. Flameproof wiring
SITRANS LR 200
7ML1234-56789-0ABC-D
Serial No: GYZ / S1034567
Encl.: NEMA/ TYPE 4X, 6, IP67, IP68
Amb.Temp.: – 40 °C to 80 °C
Power Rating: 24V
Nom., 30 V
Siemens Milltronics Process Instruments Inc., Peterborough
Made in Canada
Approval Rating
ATEX II 1/2 G, EEx dm ia IIC T4
• For power demands see
page 23.
• For wiring requirements follow local regulations.
Instructions specific to hazardous area installations
• See also
certificate listed above.
7ML19985XC81
active PLC
R = 250 Ω
from the PLC, or integral to it.
be less than 550 Ohm for the device to function properly.
Max., 4 - 20mA
Valid for:
Europe
Curve 2 (Flameproof, Increased Safety, Explosion-proof)
SITRANS LR200 (HART) – QUICK START MANUAL
HART
modem
HART
communicator
II 1/2 G
EEx dmia IIC T4
05ATEX1001X
SIRA
Reference
Flameproof/Increased Safety: ATEX Cer-
tificate
on page A-1.
on page 13 and the ATEX
HART
Um = 250V
on
Page EN-9