Siemens SITRANS LR250 Compact Operating Instructions page 6

Table of contents
5 Connecting.................................................................................................................................................27
5.1 Basic safety information.........................................................................................................27
5.2 Connecting SITRANS LR250.................................................................................................27
5.3 Wiring setups for hazardous area installations......................................................................29
5.3.1 Intrinsically safe wiring...........................................................................................................30
5.3.2 Non-sparking wiring...............................................................................................................30
5.3.3 Flameproof wiring...................................................................................................................31
5.3.4 Increased safety wiring..........................................................................................................31
5.4 Instructions specific to hazardous area installations..............................................................32
5.4.1 (Reference European ATEX Directive 2014/34/EU)..............................................................32
6 Commissioning...........................................................................................................................................35
6.1 Basic safety information.........................................................................................................35
6.2 Programming SITRANS LR250.............................................................................................35
6.2.1 The LCD display.....................................................................................................................36
6.2.2 Device status icons................................................................................................................37
6.2.3 Handheld programmer (Part No. 7ML1930-1BK)...................................................................38
6.2.4 Programming via the handheld programmer..........................................................................39
6.2.5 Quick Start Wizard via the handheld programmer.................................................................43
7 Remote operation.......................................................................................................................................47
7.1 SITRANS Communications: HART........................................................................................47
8 Service and maintenance...........................................................................................................................49
8.1 Basic safety information.........................................................................................................49
8.2 Cleaning.................................................................................................................................49
8.3 Maintenance and repair work.................................................................................................50
8.3.1 Unit repair and excluded liability............................................................................................51
8.3.2 Part replacement....................................................................................................................51
8.4 Disposal.................................................................................................................................52
8.5 Return procedure...................................................................................................................52
9 Technical data............................................................................................................................................53
9.1 Power.....................................................................................................................................54
10 Appendix - Certificates and support...........................................................................................................55
10.1 Technical support...................................................................................................................55
10.2 Certificates.............................................................................................................................55
Index...........................................................................................................................................................57
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Compact Operating Instructions, 06/2018, A5E33469191-AB
LR250 (mA/HART)