Operating Instructions

Table Of Contents
threaded horn with extension, 182, 185
threaded PVDF antenna, 211
Disassembly, 35
Disposal, 157
Documentation, 251
E
echo confidence
parameter setup, 125
echo processing
Process Intelligence, 223
Echo Profile
data logging, 73
view via LUI, 56
view via PDM, 72
Echo Profile Utilities
Auto False Echo Suppression, 71
Echo Profile, 71
TVT Shaper, 71
echo selection
Algorithm, 225
CLEF (Constrained Leading Edge Fit), 225
Position algorithm, 225
time varying threshold (TVT), 224
Echo Setup
quick access via PDM, 76
EDD
updating, 65
Edit mode
handheld programmer, 50
key functions, 52
Electronic Device Description (EDD), 64
required for PROFIBUS PA, 65
updating, 65
enclosure
opening, 38
F
factory defaults
Master Reset, 131
Fail-safe
settings, 112
Fail-safe Mode
explanation, 232
Fail-safe Timer
explanation, 232
false echo
see Auto False Echo Suppression, 228
Far Range
explanation, 229
setup, 121
flange
bolting instructions, 33
flange markings
flat face, 218
raised face, 214, 216
flange sizes
flat face, 218
raised face, 213, 214, 216
flanged encapsulated antenna
dimensions, 192
flanged horn
dimensions, 186, 189
H
Handheld programmer
edit mode, 51
navigation, 51
HART Communication
set preambles, 79
HART Communications
details, 247
HART version, 250
Hazardous area
Qualified personnel, 17
hazardous area installations
wiring requirements, 39
Hotline, (Refer to Support request)
I
Identifications and abbreviations
list, 253
installation
hazardous area requirements, 39
requirements, 31
warnings and notes, 31
Instructions and manuals, 251
internal temperature
monitoring, 233
K
Key functions
edit mode, 52
navigation mode, 51
Index
SITRANS LR250 with mA/HART
266 Operating Instructions, 10/2019, A5E32220602-AG