Siemens SITRANS LR250 Operating Instructions Manual page 6

Table of contents
8.1 Alphabetical parameter list ........................................................................................................ 191
9 Service and maintenance ..................................................................................................................... 197
9.1 Basic safety information ............................................................................................................ 197
9.2 Cleaning .................................................................................................................................... 197
9.3 Maintenance and repair work .................................................................................................... 198
9.3.1 Unit repair and excluded liability ............................................................................................... 199
9.3.2 Part replacement ....................................................................................................................... 199
9.4 Disposal .................................................................................................................................... 201
10 Diagnosing and troubleshooting ........................................................................................................... 203
10.1 Device status icons ................................................................................................................... 204
10.2 General fault codes ................................................................................................................... 205
10.3 Operation troubleshooting ......................................................................................................... 210
11 Technical data ..................................................................................................................................... 213
11.1 Power ........................................................................................................................................ 213
11.2 Performance .............................................................................................................................. 213
11.3 Interface .................................................................................................................................... 215
11.4 Mechanical ................................................................................................................................ 215
11.5 Environmental ........................................................................................................................... 218
11.6 Process ..................................................................................................................................... 218
11.7 Approvals .................................................................................................................................. 219
11.8 Programmer (infrared keypad) .................................................................................................. 220
12 Dimension drawings ............................................................................................................................. 221
12.1 Threaded horn antenna............................................................................................................. 221
12.2 Threaded horn antenna with extension ..................................................................................... 224
12.3 Flanged horn antenna ............................................................................................................... 226
12.4 Flanged horn antenna with extension ....................................................................................... 228
12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only) ....................................................... 230
12.6 Flanged encapsulated antenna (3"/DN80/80A sizes and larger) .............................................. 232
12.7 Hygienic encapsulated antenna (2" ISO 2852 sanitary clamp) ................................................ 234
12.8 Hygienic encapsulated antenna (3" ISO 2852 sanitary clamp) ................................................ 235
12.9 Hygienic encapsulated antenna (4" ISO 2852 sanitary clamp) ................................................ 236
12.10 Hygienic encapsulated antenna (DN 50 nozzle/ slotted nut to DIN 11851) .............................. 237
12.11 Hygienic encapsulated antenna (DN 80 nozzle/ slotted nut to DIN 11851) .............................. 238
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SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 08/2014, A5E32221411-AC