3)
Calculate Rworking = Re-e + Rloop.
4)
Determine the value of Vbarrier from the barrier data sheet (for example, voltage drops
due to diodes).
5)
Calculate Vworking = Vsupply – Vbarrier.
Use the values for Vworking and Rworking to confirm that operation is within the shaded area
Curve 1: General Purpose, Intrinsically Safe, Non-Sparking, Non-incendive
of the graph
page 22.
Active barriers (repeating barriers)
Manufacturer
MTL
MTL
Siemens
Stahl
MTL
MTL
2. Non-Sparking wiring
SITRANS LR200
7MLxxxx-xxxxx-xxxx
Serial No: GYZ / A1034567
Encl.: NEMA / TYPE 4X, 6, IP67, IP68
Amb.Temp.: – 40°C to 80°C
Power Rating: 24 V
Nom., 30 V
Siemens Milltronics Process Instruments, Peterborough
Assembled in Canada with domestic and imported parts
The ATEX certificate listed on the nameplate
can be downloaded from the product page of our website at: www.siemens.com/LR200.
Go to: Support > Approvals / Certificates.
• For power demands see
incendive
on page 22.
• For wiring requirements follow local regulations.
Instructions specific to hazardous area installations
• Refer to
certificate listed above.
3. Non-incendive wiring (FM US only)
FM Class 1, Div 2 connection drawing
number 23650537 can be downloaded from the product page of our website at:
www.siemens.com/LR200. Go to Support > Installation Drawings > Level Measurement >
Continuous - Radar.
• For power demands, see
Non-incendive
on page 22.
A5E31993614
Part Number
706
7206
SITRANS I 7NG4122
9001/51-280-110-14
E02009
E02010
5.8 GHz
Max., 4 – 20 mA
HART
Curve 1: General Purpose, Intrinsically Safe, Non-Sparking, Non-
Curve 1: General Purpose, Intrinsically Safe, Non-Sparking,
SITRANS LR200 (HART) – QUICK START MANUAL
II
3 G
Ex nA IIC T4 Gc
0682
SIRA 09ATEX4151X
WARNING: Use Cable Rated > 100°C
on page 13 and the ATEX
on
Page EN-11