Sitrans Lr250 System Implementation; Programming; Sitrans Lr250 Approvals And Certificates - Siemens SITRANS LR250 Instruction Manual

SITRANS LR250 System Implementation

1
SITRANS LR250
Typical PLC/mA configuration with HART
power supply
SITRANS LR250

Programming

SITRANS LR250 carries out its level measurement function according to the set of built-in
parameters. You can make parameter changes via the hand programmer, via a PC using
SIMATIC PDM, or via a HART Handheld Communicator.

SITRANS LR250 Approvals and Certificates

Please see
Note:
approvals listing.
1.
Depending on the system design, the power supply may be separate from the
PLC, or integral to it.
2.
A 250 Ohm resistor may be required if the loop resistance is less than 250 Ohms.
Page 6 SITRANS LR250 (HART) – INSTRUCTION MANUAL
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supports HART communication protocol, and SIMATIC PDM software.
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2
R = 250 Ω
G R A P H I C T O B
Approvals (verify against device nameplate)
active PLC
HART modem
HART
communicator
E U P D A T E D
on page 10 for an
7ML19985JE01