Operating Instructions

Table Of Contents
1. Click Start/Settings/Control Panel to begin configuration.
2. Double click System, select the Hardware tab, and click the Device Manager button.
3. Open Ports folder and double click the COM Port used by the system to open
the Communications Port Properties window.
4. Select the Port Settings tab and double click the Advanced button.
5. If the Use FIFO buffers radio box is selected, click to deselect.
1
Deselect Use FIFO buffers radio box
6. Click OK to close out. Close all screens and then reboot.
7.1.3 Updating the Electronic Device Description (EDD)
You can locate the EDD in Device Catalog, under Sensors/Level/Echo/SiemensMilltronics/
SITRANS LR250. The EDD revision must match the Firmware revision in the device.
To install a new EDD:
1. Download the most current EDD from our website: Product page (http://www.siemens.com/
LR250)
2. Save files to your computer, and extract the zipped file to an easily accessed location.
3. Launch SIMATIC PDM – Manage Device Catalog, browse to the unzipped EDD file and
select it.
7.1.3.1 Configuring a new device
Note
Clicking on Cancel during an upload from device to SIMATIC PDM will result in some
parameters being updated.
Application Guides for setting up HART devices with SIMATIC PDM can be downloaded
from our website:
Product page (http://www.siemens.com/LR250).
Remote operation
7.1 Operating via SIMATIC PDM
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG 65