
Table of contents
SITRANS DA400 for material flow monitoring with protection against explosion
4 Operating Instructions, 09/2007, A5E00841152-01
5.8 Connecting the power supply...................................................................................................... 32
5.9 Connect the ground..................................................................................................................... 33
6 Operation................................................................................................................................................. 35
6.1 Overview of digital display and buttons....................................................................................... 35
6.2 Digital display .............................................................................................................................. 37
6.3 Measuring menu ......................................................................................................................... 38
6.3.1 Overview and digital display in the measuring menu.................................................................. 38
6.3.2 Measurement channel list ........................................................................................................... 39
6.3.3 Operating the measuring menu .................................................................................................. 39
6.3.4 Acoustic channels ....................................................................................................................... 41
6.3.4.1 Measuring mode ......................................................................................................................... 41
6.3.4.2 Simulation mode ......................................................................................................................... 42
6.3.4.3 Test mode ................................................................................................................................... 44
6.3.5 Universal inputs........................................................................................................................... 45
6.3.5.1 General........................................................................................................................................ 45
6.3.5.2 Analog input ................................................................................................................................ 46
6.3.5.3 Digital input ................................................................................................................................. 47
6.4 Parameter menu ......................................................................................................................... 48
6.4.1 Parameter menu overview .......................................................................................................... 48
6.4.2 Parameter list .............................................................................................................................. 49
6.4.3 Setting parameters...................................................................................................................... 51
6.4.4 Displaying the software version .................................................................................................. 51
6.4.5 Parameter lock ............................................................................................................................ 52
6.5 Trace menu ................................................................................................................................. 52
6.5.1 Trace menu overview.................................................................................................................. 52
6.5.2 Trace menu list............................................................................................................................ 54
6.5.3 Displaying and resetting timers................................................................................................... 56
6.6 Examples..................................................................................................................................... 56
6.6.1 Example Acoustic channel 1....................................................................................................... 56
6.6.2 Example universal input 1........................................................................................................... 58
7 Signal processing .................................................................................................................................... 59
7.1 Evaluating acoustic channels...................................................................................................... 59
7.2 Universal input evaluation ........................................................................................................... 62
7.2.1 Universal input evaluation overview............................................................................................62
7.2.2 Evaluation of analog current signals ...........................................................................................62
7.2.3 Evaluation of 24 V digital signals ................................................................................................ 64
7.3 Processing input faults ................................................................................................................ 65
7.4 Activation of digital outputs ......................................................................................................... 66
7.5 Alarm acknowledgement............................................................................................................. 69
7.6 Trace function ............................................................................................................................. 70
8 Commissioning ........................................................................................................................................ 73
8.1 Overview ..................................................................................................................................... 73
8.2 Recommendation for selecting parameters ................................................................................ 74
8.2.1 Preparation.................................................................................................................................. 74
8.2.2 Damping using parameters P.41, P.42, P.43 and P.44 .............................................................. 74
8.2.3 Main alarm threshold via parameters P.6, P.8, P.10 and P.12................................................... 74