System Implementation; Programming - Siemens sitrans LR 400 Instruction Manual

System Implementation

SITRANS LR 400 supports HART communication protocol, and SIMATIC PDM software.
Typical PLC/mA configuration with HART
HART Communicator 275
A 250 ohm loop resistor may be required, depending on PLC input resistance.
Note:
Typical PLC/mA configuration with PROFIBUS PA
Class 1
Master
DP/PA
Coupler
S I TR A N S LR 4 00
SITRANS LR 400

Programming

SITRANS LR 400 carries out its level measurement function according to the set of built-in
parameter tables. You can make parameter changes via the hand programmer, a PC
running SIMATIC PDM or a HART handheld communicator.
Page 4 SITRANS LR 400 (Solids) – INSTRUCTION MANUAL
S I TR A N S LR 4 00
PLC
PROFIBUS PA
S I TR A N S LR 4 00
SITRANS LR 400
PLC with mA
input card
HART
SITRANS LR 400
Class 2
PDM
Master
S I TR A N S LR 4 00
SITRANS LR 400
PC/laptop with HART
modem running PDM
ET200
HART
7ML19985JC02