Operating Instructions

Table Of Contents
Introduction
1
1.1 LR250 mA/HART manual usage
Note
This manual applies to the SITRANS LR250 mA/HART version only. HART
®
is a registered
trademark of the HART Communication Foundation.
Follow these operating instructions for quick, trouble-free installation, and maximum accuracy
and reliability of your device.
We always welcome suggestions and comments about manual content, design, and
accessibility. Please direct your comments to:
Technical publications (mailto:techpubs.smpi@siemens.com)
1.2 Purpose of this documentation
These instructions contain all information required to commission and use the device. Read the
instructions carefully prior to installation and commissioning. In order to use the device
correctly, first review its principle of operation.
The instructions are aimed at persons mechanically installing the device, connecting it
electronically, configuring the parameters and commissioning it, as well as service and
maintenance engineers.
1.3 Revision history
This history establishes the correlation between the current documentation and the valid
firmware of the device.
The documentation of this edition is applicable for the following firmware:
Edition Firmware rev. PDM EDD
rev.
Date Changes
1.0 1.00.03 1.00.03 25 Feb 2007
Initial release
1.1 1.01.00 1.01.00 27 Jul 2007
EDD
a)
/SIMATIC PDM: View > Display >
Distance
b)
correctly reported
EDD/SIMATIC PDM: Improved
rendering of the echo profile and TVT
2.0 1.01.01 1.01.01 10 Jun 2008
Maintenance release of firmware and
EDD
a)
3.0 1.01.01 1.01.03 17 Jun 2008
The internal EDD revision has been
incremented
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG 9