4 General
3.5 Digital outputs .......................................................................28
3.5.1 Nominal data .................................................................28
3.6 Interfaces .............................................................................. 29
3.6.1 Serial optical interface...................................................29
3.6.2 Integrated modem ......................................................... 29
3.7 Measurement conditions....................................................... 29
3.7.1 Environment .................................................................. 29
3.8 Labelling ............................................................................... 30
3.8.1 Designation Data Logger .............................................. 30
3.8.2 ATEX marking ............................................................... 31
3.8.2.1 Associated apparatus for Zone 0 and 1................. 31
3.8.2.2 Zone 2 ................................................................... 31
3.8.3 Device software Identification ....................................... 32
4 Construction and Function .......................................................33
4.1 External view ........................................................................ 33
4.2 Internal view.......................................................................... 34
4.3 Short description................................................................... 35
4.4 Connections.......................................................................... 35
5 Assembly, Connection and Putting into Operation ................ 37
5.1 Assembly ..............................................................................37
5.1.1 Assembly on a pipeline ................................................. 38
5.1.2 Assembly on a wall ....................................................... 39
5.2 Connection............................................................................ 40
5.2.1 Connecting meters ........................................................ 41
5.2.1.1 Connection to a pulse transducer..........................41
5.2.1.2 Connection to an encoder ..................................... 41
5.2.2 Sealing the input terminals............................................ 42
5.2.3 Connecting the power supply........................................ 42
5.2.3.1 Power supply for the DL230 with integrated power
supply unit ................................................................ 42
5.2.4 Connect outputs of the DL230 ...................................... 43
5.2.4.1 Electrical insulation of the outputs......................... 45
5.3 Putting into operation............................................................ 46
5.3.1 Configuration of measurement parameters................... 46
5.3.1.1 Opening the calibration lock .................................. 46
5.3.1.2 Adjusting the parameters for the pulse transducer of
the meter .................................................................. 48
5.3.1.3 Activating encoder mode....................................... 48
