Operating Instructions

4.3.2 Nozzle location.......................................................................................................................26
4.3.3 Orientation in a vessel with obstructions................................................................................27
4.3.4 Stainless steel Easy Aimer.....................................................................................................28
4.3.5 Aluminum aimer flanges.........................................................................................................31
4.3.6 Air purging system (optional) .................................................................................................31
4.3.7 Universal Slotted Flange ........................................................................................................33
4.3.8 PTFE dust cap for stainless horn versions.............................................................................33
4.3.9 Aluminum horn with polypropylene lens (dust cover) antenna version ..................................35
5 Connecting .................................................................................................................................................37
5.1 Basic safety notes ..................................................................................................................37
5.1.1 Missing PE/ground connection...............................................................................................37
5.1.2 Connecting device in energized state in hazardous areas.....................................................38
5.1.3 Incorrect selection of type of protection .................................................................................38
5.2 Connecting SITRANS LR260.................................................................................................38
5.3 Hazardous area installation ...................................................................................................40
5.3.1 Instructions specific to hazardous area installation................................................................41
5.3.1.1 Special conditions for safe use (denoted by X after the certificate number) ..........................42
5.3.1.2 (Reference European ATEX Directive 2014/34/EU) ..............................................................43
6 Commissioning ...........................................................................................................................................45
6.1 Basic safety notes ..................................................................................................................45
6.1.1 Hot surfaces ...........................................................................................................................45
6.1.2 Toxic gases and liquids..........................................................................................................45
6.1.3 Loss of explosion protection...................................................................................................45
6.2 Local commissioning..............................................................................................................46
6.2.1 Power up ................................................................................................................................46
6.2.1.1 Activating the radar device.....................................................................................................46
6.2.2 Handheld programmer functions............................................................................................46
6.2.2.1 Handheld programmer functions overview.............................................................................46
6.2.2.2 Remote Quick Start options ..................................................................................................47
6.2.2.3 Quick Start via local operation ...............................................................................................47
6.2.2.4 The LCD display.....................................................................................................................48
6.2.2.5 Handheld programmer (Part No. 7ML1930-1BK)...................................................................50
6.2.2.6 Key functions in measurement mode.....................................................................................50
6.2.3 Programming..........................................................................................................................51
6.2.3.1 Programming the radar device...............................................................................................51
6.2.3.2 Quick Start Wizard via the handheld programmer .................................................................51
6.2.3.3 Application Type (1.1.) ...........................................................................................................52
6.2.3.4 Response Rate (1.2.) .............................................................................................................52
6.2.3.5 Units (1.3.)..............................................................................................................................52
6.2.3.6 Operation (1.4.) ......................................................................................................................52
6.2.3.7 Low Calibration Point (LOW CALIB. PT.) (1.5.) .....................................................................53
6.2.3.8 High Calibration Point (HIGH CALIB. PT.) (1.6.)....................................................................54
6.2.3.9 Apply (1.7.).............................................................................................................................54
6.2.3.10 Requesting an Echo Profile....................................................................................................54
6.2.3.11 Device address ......................................................................................................................55
6.2.3.12 Auto false echo suppression ..................................................................................................55
6.3 Application examples .............................................................................................................56
6.3.1 Application examples .............................................................................................................56
Table of contents
SITRANS LR260 with mA/HART
4 Operating Instructions, 11/2019, A5E32337683-AD