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SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
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Appendix C: Communications via PROFIBUS
C
SITRANS LR250 (PROFIBUS PA) is a Profile Version 3.01, Class B, PA device. It supports
Class 1 Master for cyclic and acyclic data exchange, and Class 2 for acyclic services. The full
range of SITRANS LR250 functions is available only over a PROFIBUS PA network.
PROFIBUS PA is an open industrial protocol. Full details about PROFIBUS PA can be obtained
from PROFIBUS International at:
PROFIBUS PA (
C.1
Device configuration
To use PROFIBUS PA, you will need a PC configuration tool: we recommend SIMATIC PDM.
Please consult the operating instructions or online help for details on using SIMATIC PDM. You
can find more information at:
SIMATIC PDM (
C.1.1
SIMATIC PDM
SIMATIC PDM is a software package used to commission and maintain SITRANS LR250 and
other process devices. For more detail see Functions in SIMATIC PDM (Page 75).
C.1.1.1
Electronic Device Description
In order to use Process Device Manager (PDM) with PROFIBUS PA, you will need the
Electronic Device Description for SITRANS LR250. For details see Electronic Device Description
C.2
Network configuration
To configure a PROFIBUS PA Class 1 Master (for example, a PLC), you will need a GSD file.
C.2.1
The GSD file
The GSD file SIEM8150.gsd is available from the SITRANS LR250 product page on our web
site. Go to the product page of our website and click on Support > Software Downloads:
Product page (