Siemens SITRANS LUT400 Series Operating Instructions Manual page 309

Remote mounted lid with extension cable ..........................................................................29
Extension cable .........................................................................................................................30
Connecting in hazardous area installations .................................................................................31
Commissioning ................................................................................................................33
Local Commissioning .........................................................................................................................33
Activating SITRANS LUT400 .............................................................................................................33
The LCD Display ........................................................................................................................34
Measurement mode display: Normal
PROGRAM mode display............................................................................................... 35
Key functions in Measurement mode ........................................................................ 35
Programming SITRANS LUT400 ............................................................................................35
Quick Start Wizards ............................................................................................................................38
Quick Start Wizards via LUI ....................................................................................................38
Requesting an Echo Profile ..............................................................................................................57
Device Address ...................................................................................................................................57
Testing the configuration ..................................................................................................................57
Application examples .........................................................................................................................58
Level Application Example ......................................................................................................58
Flow application example .......................................................................................................59
General Operation ...........................................................................................................63
Starting measurement .......................................................................................................................63
Measurement conditions ........................................................................................................63
Response Rate ................................................................................................................. 63
Dimensions ....................................................................................................................... 63
Fail-safe ............................................................................................................................. 63
Relays ....................................................................................................................................................64
General introduction .................................................................................................................64
Relay function ............................................................................................................................65
Alarm .................................................................................................................................. 65
Pump................................................................................................................................... 65
Miscellaneous.................................................................................................................. 66
Relay behaviour under fail-safe conditions ........................................................................66
Relay states ................................................................................................................................67
Relay related parameters.............................................................................................. 67
Relays controlled by HART Communications .....................................................................69
Discrete Inputs ....................................................................................................................................69
Backup Level Override .............................................................................................................69
Basic operation................................................................................................................ 69
Backup Level Override parameters............................................................................ 69
Level Override conditions.............................................................................................. 70
Affect of Backup Level Override.................................................................................. 70
Additional considerations ............................................................................................. 70
Pump Interlocks .........................................................................................................................70
Switch (DI) Alarm ......................................................................................................................70
Discrete Input Logic ..................................................................................................................71
mA Control ............................................................................................................................................72
mA output ....................................................................................................................................72
Verifying the mA range ............................................................................................................72
Volume ...................................................................................................................................................73
Readings ......................................................................................................................................73
operation...................................................... 34
ii